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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.

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.

A voltage-raising module with a maximum capacity of 8 watts follows the input supply voltage, where the output is fixed at 12 volts. The output can be changed by changing the resistors on the module, to give an output voltage of up to 20 volts.

• The possibility of adjusting the output voltage in a wide range of 5-12 volts.
• The module contains a place for installing the USB jack.
• It is not recommended that the output voltage be ten times greater than the input voltage to avoid damage and overheating.
• Equipped with indicator light.

• On-board ADXL345, it's a low cost cap-based accelerometer sensor
• Support 5V/3.3V voltage input, onboard RT9161, better performance than 1117, faster load the appropriate speed, it is ideal for high noise power supply environment
• Common Pins were lead out, Pin distance is standard 100mil (2.54mm), compatible for your new system

Features: 

1. Come with a driver
2. Power-ON trigger work
3. 108KHz high frequency oscillator
4. Micron level aperture
5. Glazed surface of atomized sheet

Specification:

1. Product name: 108KHz 20mm USB Humidifier
   
2. Work Voltage:DC 4.5V~5.0V
   
3. Work Power:2W
   
4. Work Frequency:108KHz( /-3KHz)
   
5. Power Type:Female USB Socket
   
6. Diameter without rubber ring:16mm
   
7. Diameter with rubber ring:20mm
   
8. Spray Diameter:5um
   
9. Spray hole:740 holes
   
10. Spray speed:50ml/h
    
11. Work Temperature:0℃~85℃
    
12. Work Humidity:10%~90%RH
    
13. Driver Size:35*19*15mm

This is TDA7492p based is Class-D audio amplifier. This module has integrated a Bluetooth module, all the used components in the amplifying process, output connectors and control buttons. All you need to do is supply 12V to 36A to it, connect an 8-ohm 50W speaker to each output and connect a Bluetooth device to it and enjoy and control your favourite music wirelessly.

Product Details:

Description:

This product is an embedded module based on the universal serial interface network standard,built-in TCP / IP protocol stack, enabling the user serial port, wireless network (wifi) interface between the onversions. Through the HLK-M30 module, the traditional serial devices do not need to change any configuration, userdata can be transmitted through the Internet network. Provide a quick solution for the user's serial devices to transfer data via WiFi.

Features:

• WiFi Sta/Soft AP Mode
• Support Smart Connection
• Support transparent transmission mode
• Support multiple security authenti-cation mechanisms:
  • WEP64/WEP128/ TKIP/ AES
  • WEP/WPA-PSK/WPA2-PSK
• Support wireless roam
• Support multiple network protocols:
  • TCP/UDP/ /DHCP/DNS
• Support AT instruction Set

Applications:

• WiFi Power Switch
• Smart Home; Smart Building
• OBDII WiFi Diagnose
• RFID Data Transfer
• Toys and Gaming Peripherals
• Industrial Systems
• Telemetry
• Remote Control

Benefits:

• Low Power consumption
• Ready to use in products
• Minimizes product development
• No RF test required for systems
• Serial to WiFi; Smart; Small;
• Support Smart Connection
• Transparent Transmission
• Compliant with CE and FCC

Product Details:

The Daqpr is a portable, battery operated data acquisition and logging system offering 16-bits, high-resolution, 8 channel data logging. The DaqPRO features powerful graphical display and analysis functions for measuring voltage, current and temperature. It is designed to provide a professional.

Product Details:

We are a noteworthy organization in this domain, occupied in providing pristine quality range of Remote IO Module. Under the guidance of dexterous professionals, this IO module is designed using the supreme quality components and ultra modern technology at our vendors end. Our provided IO module is used for automation of typically industrial electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures.
Features:

• Excellent functionality
• Easy installation
• Dimensional accuracy