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Fan Module Fire Fighting Robot for Arduino
$3.03  Inc Tax
SD Card Reading Writing Module for Arduino
$1.45  Inc Tax
USB TO UART TTL 5V 3.3V FT232RL Download Cable To Serial Adapter Module For Arduino
$3.03  Inc Tax
5V 1 Channel Relay Module
$1.21  Inc Tax
1 channel 5V 10A Relay Control Board Module with Optocoupler
$1.45  Inc Tax
5V Dual Channel Relay Module with Optocoupler
$2.42  Inc Tax
5V Dual Channel Relay Module
$2.18  Inc Tax
Micro SD Card Reader Module
$1.21  Inc Tax
IIC/I2C Serial Interface Adapter Module
$2.18  Inc Tax
20A Range Current Sensor Module ACS712
$2.67  Inc Tax
5V Active Alarm Buzzer Module for Arduino
$1.21  Inc Tax
GY-NEO6MV2 NEO-6M GPS Module Board with Antenna for Arduino Raspberry Pi
$9.09  Inc Tax
4 Channel Wireless Four Button RF Remote Control Transceiver Module (Mode: Non Locking)
$3.39  Inc Tax
CA-8403 Micro Digital Power Amplifier Board 2 * 3W class D PAM8403 Power Amplifier Module 2.5 ~ 5V
$2.18  Inc Tax
RF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino
$1.82  Inc Tax
SIM800L V2 5V Wireless GSM GPRS MODULE Quad-Band with Antenna
$7.88  Inc Tax
SIM800L GPRS GSM Module Core Board Quad-band TTL Serial Port with the antenna
$4.24  Inc Tax
ESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module for Arduino
$24.24  Inc Tax
Electronic Acoustic Clap Control Switch DIY Kit Sound Sensor Electronic Circuit DIY Suit Integrated PCB Module (Electronic Acoustic Clap Control Switch DIY Kit)

Features:

  • Easy to use
  • Easy to Soldered
  • Affordable cost
  • Good Quality PCB
  • Comes with all the components

Package Includes:

1 x Electronic Acoustic Clap Control Switch DIY Kit Sound Sensor Electronic Circuit DIY Suit Integrated PCB Module

Electronic Acoustic Clap Control Switch DIY Kit
$3.03  Inc Tax
L9110 Fan Module Fire Fighting Robot for Arduino (L9110 Fan Module Fire Fighting Robot for Arduino)

Product Description :

This L9110 Fan Module Fire Fighting Robot for Arduino controls the rotation direction of the motor, hence the fan. Designed with the mounting hole, compatible with servo motor control.

The module bows out the flame of light in the 20cm distance. It is an essential part of firefighting robot development.

It equips quality and high-efficiency propeller.

Connections
  1. VCC ↔ 5V,
  2. GND ↔ GND,
  3. INA ↔ 9,
  4. INB ↔ 8,


Package Includes:

1 x L9110 Fan Module

1 x Propeller set

 

Fan Module Fire Fighting Robot for Arduino
$3.03  Inc Tax
SD Card Reading Writing Module for Arduino (SD Card Reading Writing Module)
Product Description : 

SD Card Reading Writing Module for Arduino with the onboard 3.3V regulator. This SD Card module can make your SD application easier and simple. Through programming, you can read and write to the SD card using your Arduino. With the help of this module, it can use for SD Card more easily, such as for MP3 Player, MCU/ARM system control.

It can be easily interfaced as a peripheral to your Arduino, and other embedded boards and microcontrollers. Through programming, you can read and write to the SD card over the SPI interface. This module can handle 2GB  SD cards.

Note: Package Does NOT include a memory card.

Specifications and Features :

  • SD Card module can make your SD application easier and simple
  • This module can handle 2GB SD cards
  • It easily interfaces as a peripheral to your Arduino sensor shield module
  • Through programming, you can read and write to the SD card using your Arduino
  • Can use for SD Card more easily, such as for MP3 Player, MCU/ARM system control
  • All SD SPI pins output, MOSI, SCK, MISO, and CS
  • Support 5V/3.3V input
  • LED indicator
  • SD Card Holder
  • Onboard 3.3V regulator (AMS1117-3.3) for 5v to 3.3V generation. 3.3V is also available as output
  • A land pattern for USD interface (USD holder is not mount)

Package Includes:

1 x SD Card Reading Writing Module for Arduino

Note: Package Does NOT include a memory card.

 

SD Card Reading Writing Module for Arduino
$1.45  Inc Tax
USB TO UART TTL 5V 3.3V FT232RL Download Cable To Serial Adapter Module For Arduino (USB TO UART TTL)
Product Description : 

The USB TO UART TTL 5V 3.3V FT232RL Download Cable To Serial Adapter Module is a basic breakout board for the FTDI FT232RL USB to serial IC, Revision 2. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications.

The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded. This is a really nice feature to have and allows a sketch to be downloaded without having to hit the reset button. This board will auto reset any Arduino board that has the reset pin brought out to a 6-pin connector.

The pins labelled BLK and GRN correspond to the coloured wires on the FTDI cable. The black wire on the FTDI cable is GND, green is CTS. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

This board has TX and RX LEDs that make it a bit better to use over the FTDI cable. You can actually see serial traffic on the LEDs to verify if the board is working.

This board was designed to decrease the cost of Arduino development and increase ease of use (the auto-reset feature rocks!). Our Arduino Pro boards and LilyPads use this type of connector.

One of the nice features of this board is a jumper on the back of the board that allows the board to be configured to either 3.3V or 5V (both power output and IO level). This board ship default to 5V, but you can cut the default trace and add a solder jumper if you need to switch to 3.3V.

How to interface with the Pro Mini Module:

      FTDI—–>Pro Mini

  1. GND—->GND
  2. VCC—->VCC
  3. TX—–> RX
  4. RX—-> TX
  5. DTR—->GRN

Features :

  • Standard interface layout, compatible with a variety of Arduinos such as the Pro Mini
  • Original FTDI FT232 chip, stable performance
  • USB power has current protection, using 500MA self-restore fuse
  • RXD/TXD transceiver communication indicator
  • With power, sending, receiving indicator, working status LED indicators
  • With 3.3V and 5V TTL Level supply options
  • USB to serial TTL module, download STC SCM
  • Mini USB Port Connection
  • Support 3.3V, 5V

Package Includes:

1 x USB TO UART TTL 5V 3.3V FT232RL Download Cable To Serial Adapter Module

 

USB TO UART TTL 5V 3.3V FT232RL Download Cable To Serial Adapter Module For Arduino
$3.03  Inc Tax
5V 1 Channel Relay Module (5V 1 Channel Relay Module)
Product Description : 

This 1-channel 5V control Single-Pole Double-Throw (SPDT) High-level trigger AC power relay board can be controlled directly via a microcontroller and switch up to 10A at 250 VAC. The inputs of 1 Channel 5V Relay Module are isolated to protect any delicate control circuitry.

The default state of the relay when the power is off for COM (Power) to be connected to NC (Normally Closed). This is the equivalent of setting the relay board IN pin to HIGH (has 5V sent to it).

A wide range of microcontrollers such as Arduino, AVR, PIC, ARM, etc can be used to control this 5V relay module

NOTE : There Is Printing Mistake On  Module 250VAC To 30VAC And 125VAC to 28VAC But Working Will Be Same.

Pin Configuration:

1 Channel 5V 10A Relay Module

Connection Diagram:

1 Channel 5V 10A Relay Module

 

Features :

  • 1 channel relay module
  • One normally closed contact and one normally open contact
  • High impedance controller pin
  • Default High-level trigger
  • Pull-down circuit for the avoidance of malfunction
  • Power supply indicator lamp
  • Can be controlled various appliances & other Equipment With Large current
  • Standard TTL Level logic controlled
  • The module is compliant with international safety standards
  • With 4 fixed screw holes, hole diameter 3.1mm, convenient installation, and fixation

Useful Link:

How to use relay module with Arduino Tutorial

Package Includes:

1 x 5V 1 Channel Relay Module

 

5V 1 Channel Relay Module
$1.21  Inc Tax
1 channel 5V 10A Relay Control Board Module with Optocoupler (5V 10A Relay Control Board Module)
Product Description : 

This 1 channel 5V 10A relay control board module with optocoupler modules is compliant with international safety standards, control and load areas isolation trenches it has a single relay a genuine.

The inputs of 5V 1-Channel Relay 10A Relay Module are isolated to protect any delicate control circuitry.

The power supply and relay instructions, lit, a disconnect are off. The input signal, signal, common Terminal and start conducting. It can be used as a single chip module for appliance control and work with both DC or AC signals where you can control the 220V AC load.

A wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control 1 channel 5V 10A Relay Control Board Module with Optocoupler.

Note: On the high level and low level-triggered mode, friends who do not understand, have a look
  • High-level trigger refers to the signal voltage between input and trigger, can be understood as a signal input with VCC cathode short-circuit triggered a way;
  • Low-level trigger refers to the signal voltage between the input terminal and Earth OV trigger, can be understood as a signal input terminal and the GND negative electrode short circuit triggered is a way  1-channel relay module connection.

 

Features :

  • High impedance controller pin
  • Pull-down circuit for the avoidance of malfunction
  • One normally closed contact and one normally open contact
  • Triode drive, increasing relay coil
  • Power supply indicator lamp
  • Control indicator lamp
  • With 4 fixed screw holes, hole diameter 3.1mm, convenient installation, and fixation

Package Includes:

1 x 1 channel 5V 10A relay control board module with an optocoupler

 

1 channel 5V 10A Relay Control Board Module with Optocoupler
$1.45  Inc Tax
5V Dual Channel Relay Module with Optocoupler (5V Dual Channel Relay Module with Optocoupler)
Product Description : 

This is a 2 Channel isolated 5V 10A relay module Optocoupler for Arduino PIC ARM. It can be used to control various appliances and other types of equipment with a large current. It can be controlled directly with 3.3V or 5V logic signals from a microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

This relay has a 1×4 (2.54mm pitch) pin header for connecting power (5V and 0V), and for controlling the 2 relays.

The pins are marked on the PCB as:

  • GND  Connect 0V to this pin.
  • IN1  Controls relay 1, active Low Relay will turn on when this input goes below about 2.0V
  • IN2  Controls relay 2, active Low Relay will turn on when this input goes below about 2.0V
  • VCC  Connect 5V to this pin. Is used to power the optocouplers
Note: This 5V Dual Channel Relay Module is for low level trigger only. 
About high level and low level-triggered mode:
  1. High-level trigger refers to the signal voltage between input and trigger, can be understood as a signal input with VCC cathode short-circuit triggered a way;
  2. Low-level trigger refers to the signal voltage between the input terminal and Earth OV trigger, can be understood as the signal input terminal and the GND negative electrode short circuit triggered away  1-channel relay module connection

Jumper Instruction = The relay can be turned on when we connect 5v to one end and the other to -5v / Gnd, while talking about the jumper, if we short the VCC and the middle pin, then our relay will act as high level-triggered relay means that when we will apply 5V input on its input pin it will be turned on and when the jumper will be set to “middle and GND”, it will act as a low-level triggered relay, It means that relay will be triggered when we implement the 5V / GND on its input pin.

 

Features :

  • 2 LEDs to indicate when relays are ON.
  • Works with logic level signals from 3.3V or 5V devices
  • Opto isolation circuitry
  • Module with diode current protection, short response time
  • Around the board with 4 mounting holes, hole diameter 3. 1 mm, easy installation and fixing

Package Includes:

1 x 2 Channel isolated 5V 10A relay module with Optocoupler

 

5V Dual Channel Relay Module with Optocoupler
$2.42  Inc Tax
5V Dual Channel Relay Module (5V Dual Channel Relay Module)
Product Description : 

This is a 2 Channel 5V Relay module, be able to control various appliances, and other equipment with large current. It can be controlled directly by Microcontroller (8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).5V 2-Channel Relay interface board and each one needs 15-20mA Driver Current Equipped with high-current relay, AC250V 10A; DC30V 10A Standard interface that can be controlled directly by microcontroller (8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) Indication LED’s for Relay output status.

 

Features :

  • The module using Songle relay control
  • AC voltage 250V, AC current 10A, maximum DC voltage 30V DC current maximum 10A
  • Power indicator (green), Two ways of relay status indicator light (red)
  • Using 8550 transistor-driven, strong driving ability
  • Has the fixed bolt hole and easy installation

Package Includes:

1 x 5V 2 Channel Relay Module

 

5V Dual Channel Relay Module
$2.18  Inc Tax
Micro SD Card Reader Module (Micro SD Card Reader Module)
Product Description : 

Add the desired memory to your Arduino project to store the data, Media etc. Micro SD Card Reader Module also called Micro SD Adaptor which is designed for dual I/O voltages. The Module is a simple solution for transferring data to and from a standard SD card. The pinout is directly compatible with Not only with Arduino as shown in the diagram in below, but can also be used with other microcontrollers. Micro SD Card Reader Module has an SPI interface which is compatible with any sd card and it uses 5V or 3.3V power supply which is compatible with Arduino UNO/Mega.SD module has various applications such as data logger, audio, video, graphics.

There are total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin; 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply.

With this Module, general AVR microcontroller system can read the signal

Note: Product image may vary in terms of design, Color of PCB from actual product.

Interfacing with Arduino Uno:

 

Interfacing Dia

Features :

  • Support Micro SD Card (<=2G), Micro SDHC card (<=32G) (high-speed card)
  • The level conversion circuit board that can interface level is 5V or 3.3V
  • Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board
  • Communication interface is a standard SPI interface

Package Includes:

1 x Micro SD Card Reader Module

 

Micro SD Card Reader Module
$1.21  Inc Tax
IIC/I2C Serial Interface Adapter Module (IIC/I2C Serial Interface Adapter Module)
Product Description : 

This is a RoHS compliant I2C Serial LCD Daughter board that can be connected to a standard 16×2 or 20×4 Character Display Module that supports 4-bit mode. All Character Modules sold on our site support 4-bit mode, and nearly all commercially available 16×2 and 20×4 line character modules support it too.

This board has a PCF8574 I2C chip that converts I2C serial data to parallel data for the LCD display. There are many examples on the internet for using this board with Arduino. Do a search for “Arduino LCD PCF8574“. The I2C address is 0x3F by default, but this can be changed via 3 solder jumpers provided on the board. This allows up to 3 LCD displays to be controlled via a single I2C bus (giving each one it’s own address)

Specifications and Features:

  • 5V power supply
  • Serial I2C control of LCD display using PCF8574
  • Backlight can be enabled or disabled via a jumper on the board
  • Contrast control via a potentiometer
  • Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing
  • Size :41.6 x 19.2 mm

Package Includes:

1 x IIC/I2C Serial Interface Adapter Module

 

IIC/I2C Serial Interface Adapter Module
$2.18  Inc Tax
20A Range Current Sensor Module ACS712 (20A Range Current Sensor Module ACS712)
Product Description : 

The 20A Range Current Sensor Module ACS712 consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage.

Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc.

This ACS721 current module is based on the ACS712 sensor, which can accurately detect AC or DC current.

The maximum AC or DC that can be detected can reach 20A, and the present current signal can be read via analog I / O port of Arduino.

Note: The color of the product may vary. while shipping you may get any one of them.

We are supplying two more of such modules which equip ACS712 IC for current measurement, they are as below

5A Range Current Sensor Module ACS712
30A Range Current Sensor Module ACS712

Note:

ACS712 is based on the Hall detection principle, please try to avoid the magnetic field, when using it as it may impact the reading accuracy.

Connection Diagram:

Arduino_Acs712

 

Arduino_Acs712

 

Features :

  • The low-noise analog signal path
  • Device bandwidth is set via the new FILTER pin
  • 5 µs output rise time in response to step input current
  • Small footprint, low-profile SOIC8 package
  • 2.1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8
  • 5.0 V, single-supply operation
  • 66 to 185 mV/A output sensitivity
  • Output voltage proportional to AC or DC currents
  • Factory-trimmed for accuracy
  • Extremely stable output offset voltage
  • Nearly zero magnetic hysteresis
  • The ratiometric output from the supply voltage

Package Includes:

1 x 20A Range Current Sensor Module ACS712

 

20A Range Current Sensor Module ACS712
$2.67  Inc Tax
5V Active Alarm Buzzer Module for Arduino (5V Active Alarm Buzzer Module)
Product Description : 

A 5V Active Alarm Buzzer Module for Arduino is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Just like what you are viewing now, it is 5V DC Electronic Part Active Buzzer Module. Using top quality material, it is durable in use.

What is more, an active buzzer rings out as long as it is electrified. Compared with a passive buzzer, it is a bit expensive but easier to control. Typical uses of buzzers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke. A good choice for you all!

Module Interface Specification (3-wire)
External 3.3V-5V voltage (can be directly connected with the 5v and 3.3v MCU MCU)
– External GND out external microcontroller IO port

Features :

  • An active buzzer with a concussion internal source- so long as it will be called an energized
  • Programmable, easy to control- SCM can let a high-low sound- while passive buzzer did not.

 

Package Includes:

1 x 5V Active Alarm Buzzer Module for Arduino

3 x F-F Jumper cable

 

5V Active Alarm Buzzer Module for Arduino
$1.21  Inc Tax
GY-NEO6MV2 NEO-6M GPS Module Board with Antenna for Arduino Raspberry Pi (NEO-6M GPS Module Board with Antenna)
Product Description : 

Module with antenna, mini size with strong signal. EEPROM save the configuration parameter data when power down. With data backup battery. With LED signal lights. Compatible with various flight control modules. Specification: Model: GY-GPS6MV2. With ceramic antenna. With LED signal indicator lamp. Power supply: 3-5V. The default baud rate: 9600. Compatible with different flight controller module. Size: Approx. 2.5cm x 3.5cm /0.98 x 1.38inch

 

Package Includes:

1 x  GY-NEO6MV2 NEO-6M GPS Module

 

GY-NEO6MV2 NEO-6M GPS Module Board with Antenna for Arduino Raspberry Pi
$9.09  Inc Tax
4 Channel Wireless Four Button RF Remote Control Transceiver Module (Mode: Non Locking) (RF Remote Control Transceiver Module)
Product Description : 

The 4 Channel Wireless Four Button RF Remote Control Transmitter Receiver Module with Non-Locking mode can be composed of a fixed code four radio receiver circuits, remote control of four four-bit data output code corresponding to the module, you can easily make up a wireless remote control receiver circuit.

They are widely applied in the majority home electronics enthusiasts, industrial remote control electronic product design and development can be very good as a single-chip signal input source, especially for students and colleges electronic circuit design, the graduate design of the remote control circuit portion.

  1. There are four buttons on the remote control and respectively correspond to the four data bits to the receiving board output pin D0, D1, D2, and D3.
  2. Press the buttons to transmit signals, the corresponding data bit is output high.

Caution: Take care while handling the receiver module, that the onboard copper coil (inductor) should be untouched. A little physical  movement to the coil changes the inductance value which may cause the inappropriate circuit functioning

How it Works:

1. When a key is pressed, the IC is connected to power supply battery and it starts transmitting packets at 315 Mhz frequency consisting of its ID and Data byte which indicates which key was pressed. This information is used in remote control applications.

2. Each transmitter has a pre-programmed unique ID set during manufacturing and cannot change. The receiver board usually stores the transmitter ID in its memory before so the receiver only responds to known transmitter IDs for secure applications.

3. The RF part inside remote is SAW based 315 Mhz transmitter, which can receive by any 315 Mhz type ASK RF Receiver followed by decoder chip.

Note: By default, this remote control module comes with a Non-Locking mode.

This RF remote control comes in different operating Mode: a Non-locking Mode, a Self-Locking Mode, and  an Interlocking Mode (Product included comes in Non-Locking Mode)

  • Non-locking: 

Output also has known jog output data pin output level is instantaneous and the transmitter and whether transmission corresponds; is useful to control similar to jogging. A remote control signal data pin is high, the signal disappears when the remote data foot immediately restored to the low level. For applications such as electric doors, electric door locks, and SCM docking requires only a high level of the circuit and other circuits and so on.

  • Self-locking:

Here Data output pin enables the trigger to flip operating logic; data can keep as long as the successful reception of the corresponding level state change, until the next time the remote data changes. Self-locking independent of each other four, four simultaneous remote control, such as lighting control and the like.

  • Interlocking: 

The Output is anyway the road will be able to receive the signal remains high state corresponding received data in any other way is the return to the original state, only four interlockings turned all the way, practical applications such as electric fans position switch circuit.

Specifications and Features :

Transmitter Remote control:
  • Modulation mode: ASK (Amplitude Modulation)
  • Encoder types: fixed code
Decoding receiver board:
  • Receiver Operating voltage: DC 5V
  • Receiver sensitivity is: -98dB
  • Leg 7 bits: VT, D3, D2, D1, D0, 5V and GND
  • VT is a valid signal high output pin upon receiving a valid signal, the pin output high may also drive the relay
  • Size: 7 x 22 x 41 mm
Pin Connection and Functions:
  • VT output status indication
  • D3 data output
  • D2 data output
  • D1 data output
  • D0 data output
  • 5V power supply positive
  • GND power supply negative
  • ANT connects the antenna terminal

Total of eight external receiver module interface. “5V” means a positive power supply, “D0, D1, D2, D3” represents the output, “GND” means the power supply is negative, “ANT” means connect the antenna terminal.
Far as the pro-distance requirements, then the best quarter-wavelength antenna, generally use a 50-ohm single wire, the length of the antenna is about 17cm.

Note: The remote control does not come with the battery due to Air shipping limitations you have to buy it separately.

 

Package Includes:

1 x Wireless Four-button RF remote control

1 x Super Regenerative receiver module

 

4 Channel Wireless Four Button RF Remote Control Transceiver Module (Mode: Non Locking)
$3.39  Inc Tax
CA-8403 Micro Digital Power Amplifier Board 2 * 3W class D PAM8403 Power Amplifier Module 2.5 ~ 5V ( Pack of 2 ) (CA-8403 Micro Digital Power Amplifier Board)
Product Description : 

Features:

It can used on the computer's USB port on 5v power supply or on a mobile phone charger USB port 5v power supply battery power can also be used on High Efficiency: 90 percent can provide 3w (left channel) 3 w (right channel) output power in the 4o load and 5v power supply conditions a class, b class amplifier such efficiency is only about 30 percent d class amplifier is highly respected today d class amplifier efficiency is extremely high, not because of temperature affect the sound but do not add heat sink and take less space noise cancelling circuit was built in the amplifier board power on / off without pop noise module has a short-circuit current protection and over-temperature protection application: LCD Tv's, monitors, laptop portable speakers portable DVD players, game consoles phone / speakerphone specifications operating voltage: 2.5v-5.5v speaker with: 4-8ohms recommended: 4 ohms speaker power: 2-8w size: 21 x 18 x 3.4mm(l x w x h) Color: as the pics show net weight: 1g note: first turn and then powered speakers, or likely to cause damage to the chip ;do not let too much leaving the audio signal input signal cut limiter miniature digital power amplifier board 2x3w class d power amplifier board, can work on USB power supply. Good noise suppression input audio should be via Sheilded wire dual channel stereo output 3 w 3 w power works with 5v power supply can directly drive 4 o/8 o small speakers big output power, sound is good. Unique without lc filter class d digital power board can use computer USB power supply directly double panel wiring, super mini design, can easily fit in a variety of digital products high amplification efficiency made with solid plate welding machine

 

Package Includes:

2 x CA-8403 Micro Digital Power Amplifier Board

 

CA-8403 Micro Digital Power Amplifier Board 2 * 3W class D PAM8403 Power Amplifier Module 2.5 ~ 5V
$2.18  Inc Tax
RF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino (RF Transmitter Receiver Module)
Product Description : 

This is RF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino.

This wireless transmitter and receiver pair operates at 315Mhz. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireleReceiving frequency (MHz)ss data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of different frequencies) to act as a transmitter/receiver pair.

This Radio Transmitter & Receiver pair is perfectly matched to allow you to control items from a distance up to 500 feet wirelessly! Connect the transmitter to your Arduino, Raspberry Pi or other microcontroller and the receiver to whatever you’d like to control.

Both the transmitter and receiver are in tune to the same Radio Frequency so that when the transmitter emits a signal, the receiver will hear it wirelessly. Great for easy and simple wireless control! Arduino & Raspberry Pi 2 / B / B / A Compatible!

 

Features :

Receiver module parameters
  • Product Model: XY-MK-5V
  • Operating voltage: DC5V
  • Quiescent Current: 4mA
  • Receiving frequency: 315MHz
  • Receiver sensitivity: -105 dB
  • Size: 30 x 14 x 7 mm
Transmitter module parameters
  • Launch Distance: 20-200 meters (different voltage, different results)
  • Operating voltage: 3.5-12V
  • Dimensions: 19 x 19 mm
  • Operating mode: AM
  • Transfer rate: 4KB/S
  • Transmitting power: 10mW
  • Transmitting frequency: 315Mhz
  • An external antenna: 25cm ordinary multi-core or single-core line
  • Pinout from left a right: (DATA; VCC; GND)

 

Package Includes:

1 x RF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino

 

RF Transmitter Receiver Module 315MHz Wireless Link Kit For Arduino
$1.82  Inc Tax
SIM800L V2 5V Wireless GSM GPRS MODULE Quad-Band with Antenna (SIM800L V2 5V Wireless GSM GPRS MODULE)
Product Description : 

SIM800L V2 5V Wireless GSM GPRS MODULE power supply for 5 v, computer debug USB to TTL serial port. Power to the output current of 800 ma, TTL serial interface is compatible with 3.3 V and 5 V micro-controller, can be directly after purchase and single-chip computer connection.

The IPX antenna, the antenna interface can be arbitrary switching PCB glue stick antenna and suction cups. SIM800L 4 frequency communications, data available in the world. Do foreign trade and foreign trade projects preferred.

SIM800L V2.0 GSM/GPRS Module is a QUAD-BAND GSM/GPRS module which compatible with Arduino. The module works to add both of GSM features (voice call or SMS) and GPRS features. The advantages of these modules are the VCC and TTL serial levels that have 5V voltage, so you can directly connect it to Arduino or another minimum system with 5V of the voltage level.

There are so many GPRS/GSM modules on the market which need to add 5V regulator and level converter circuit, while SIM800L V.2 GSM/GPRS module already has a built-in regulator circuit and TTL level converter on the board.

Pin Description

5v: Power interface Power the module CONNECT TO DC 5v
GND: Connect to GND.
VDD: TTL UART interface The TTL UART serial interface, you can connect the MCU like 51MCU or ARM or MSP430 directly. The pin of VDD is used to match the voltage of the TTL.
SIM_TXD: SIM module Transmitter.
SIM_RXD: SIM module Receiver.
GND: If this pin is unused, keep open.
RST: RST the module, if this pin is unused, keep open. 

 

Features :

  • Network support: Quad-Band 850/900/1800/1900 MHz – works on GSM networks in all countries across the world
  • TTL serial interface compatible with 3.3V and 5V MCU
  • The small size is suitable for all kinds of sleeve belt type and embedded
  • playing card slot, convenient change mobile phone card.Can side reserve replacement cell phone bayonet into the box
  • using the IPX interface can arbitrarily change the antenna. The default PCB antenna greatly reduces: use the space
  • the board with gold plated board, more stable performance
  • when wiring neat guarantee board running more stable
  • this module adds a protection device, which can realize the prevention, high pressure, reduce the loss of the board, suitable for the project and learn

 

Package Includes:

1 x SIM800L V2 5V Wireless GSM GPRS MODULE.

1 x L-Shape Antenna

 

SIM800L V2 5V Wireless GSM GPRS MODULE Quad-Band with Antenna
$7.88  Inc Tax
SIM800L GPRS GSM Module Core Board Quad-band TTL Serial Port with the antenna (SIM800L GPRS GSM Module)
Product Description : 

This is Small SIM800L GPRS GSM Module Micro SIM Card Core Board Quad-band TTL Serial Port with the antenna, in this module two antennas have been included.

SIM800L GSM/GPRS module is a miniature GSM modem, which can be integrated into a great number of IoT projects. You can use this module to accomplish almost anything a normal cell phone can; SMS text messages, make or receive phone calls, connecting to the internet through GPRS, TCP/IP, and more! To top it off, the module supports quad-band GSM/GPRS network, meaning it works pretty much anywhere in the world

First is made of wire (which solders directly to NET pin on PCB) – very useful in narrow places. Second – PCB antenna – with double-sided tape and attached pigtail cable with IPX connector. This one has better performance and allows to put your module inside a metal case – as long the antenna is outside.

Caution: Use a resistor divider circuit before interfacing it with Arduino to avoid the damage to the module.

 

Features :

  • TTL serial port for serial port, you can link directly to the micro-controller.
  • Don’t need MAX232.
  • Power module automatically boots, homing network.
  • Onboard signal lights all the way.
  • It flashes slowly when there is a signal, it flashes quickly when there is no signal.

 

Package Includes:

1 x Small SIM800L GPRS GSM Module

1 x PCB Antenna

 

SIM800L GPRS GSM Module Core Board Quad-band TTL Serial Port with the antenna
$4.24  Inc Tax
ESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module for Arduino (ESP32 LoRa SX1278 BT WiFi Module)
Product Description : 

The ESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module for Arduino, this series is the new development of the cost-effective networking program.

The main chip using Lexin ESP32, Tensilica LX6 dual-core processor, clocked at 240MHz, computing power up to 600DMIPS, chip built-in 520 KB SRAM, 802.11 b / g / N HT40 Wi-Fi transceiver, baseband, protocol stack, and LWIP, integrated dual-mode Bluetooth (traditional Bluetooth and BLE low power Bluetooth).

This product is based on the WIFI Kit 32 added SX1278 chip, that is, LoRa remote modem, 433MHz frequency, about -148dBm high sensitivity, 20 dBm power output, high reliability, transmission distance (measured open area communication distance 2.6Km). Onboard 32MByte Flash, Wi-Fi antenna, 0.96-inch blue OLED display, lithium battery charging circuit and interface, CP2102 USB to serial chip, the perfect support for Arduino development environment, can be very simple and fast for program verification and product development.

Note: Package does not include the Lithium battery

Features :

  • Supports Sniffer, Station, softAP and Wi-Fi Direct modes
  • Data rate: 150 Mbps @ 11n HT40,72 Mbps @ 11n HT20,54 Mbps @ 11g, 11 Mbps @ 11b
  • Transmit power: 19.5 dBm @ 11b, 16.5 dBm @ 11g, 15.5 dBm @ 11n
  • Receiver sensitivity up to – 98 dBm
  • UDP continues to throughput by 135 Mbps
  • Application: Camera

 

Package Includes:

1 xESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module
1 x Antenna(16 cm)
2 x 1*18 Pins Burg connectors(Straight)

 

ESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module for Arduino
$24.24  Inc Tax
Bluetooth MP3 Decoding Board Module with inbuilt SD Card Slot / USB / FM / Remote Control (Bluetooth MP3 Decoding Board Module with inbuilt SD Card Slot)

Bluetooth MP3 Decoding Board Module with SD Card Slot / USB / FM / Remote Decoding Board Module is compact size Music player which can be installed anywhere like in your vehicle, on Home Theater Speakers system. If you have an old conventional Music system without USB/AUX/Bluetooth Support, then this device will be the right choice to add these all feature in your music system. It can also be used to build your own music system.

All You need is an amplifier board & speaker to use this module. The module comes with Bluetooth FM USB and mp3 audio board with LCD display with IR remote control. The player has Multiple sources of input i.e. AUX, Bluetooth, USB, SD card along with FM radio.

The LCD display shows the information of Track number, Selected Input Source, and Selected FM Frequency.

Precautions:

  1. This kit is not for the electronics hobbyist. Proper knowledge about the subject is required to understand and make the complete project. We do not hold any responsibility for any issues or help either due to negligence, ignorance or lack of proper knowledge about the subject.
  2. This unit is used to feed an amplifier, from the amplifier you can drive the speaker. Do not connect speakers directly to this unit.


Features :

  • Comes with IR Remote Control
  • Stereo Digital Audio Output
  • Can be used as an audio receiver
  • Support USB/TF Card Slot/Bluetooth/FM/AUX switching, also supports folder selection and playback
  • Stereo Bluetooth with a call can also receive hands-free calls
  • DIY speakers and modified audio/car rare weapon
  • Support MP3/WMA/WAV/FLAC/APE format music
  • Can be used to play songs from USB, SD card, Bluetooth, and FM radio
$8.48  Inc Tax
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