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Product Description :

DC 3V-12V DIY Kit RGB LED Flashing FED-201 Audio Spectrum Indicator LED Flashing Display. It’s 100% impressive and fast working totally hand made circuit.100% brand new and high-quality. It can be the best for school science projects, & Hobby electronic projects to learn component assembling. Can be used for ‘classroom teaching aid’ or ‘science fair/exhibition project Best for Educational Project Purposes for School / Collage. The LM3914N-1 is available in an 18-lead PDIP (NFK) package. The Circuit Is built Around IC LM3914N-1.

Specification:

1. LED: RGB Led Light.
2. IC: 2 x LM3914N-1.
3. IC: 18 Pins .
4. Package weight: 0.068.
5. Product Dimension: 13x9x2.

Features:

• Operating Voltage:3-12V
• IC can drive 10 LEDs
• PCB: 2, Green
• RGB Led Light
• LM3914: operation from 0°C to 70°C

Package Includes:

1 x DC 3V-12V DIY Kit RGB LED Flashing FED-201 Audio Spectrum Indicator LED Flashing Display

Product Description :

This DIY LED Music Spectrum Display Kit is an LED lamp equalizer board that can change with the rhythm of the music. This approximately 1cm bigger than credit card in size LED music spectrum DIY kit with white color PCB printed with all component structure.

There is a total of 131 SMD LEDs with three different colors in 11 rows and 12 columns. Because there are too many LEDs, manual welding takes a lot of time, and the MCU pin is a little dense, so to weld, the LEDs and MCU you need have a micro-component soldering setup and little expertise to do the soldering.

The kit also comes with an Acrylic transparent case to keep all assembly in one case with the access to speaker sound and connection ports.

Here I have found the Blog where they guided how to build this project with steps. CLICK HERE

Specifications:

1. Operating voltage: 5V USB power supply
2. Signal access mode: 3.5 audio line input audio signal
3. Installation: DIY welding assembly
4. Dimensions: 108 x 70 x 16mm (Length x high x thickness)
5. Weight: 130g (including housing); 67g (excluding housing)

Package Includes:

1 x DIY LED Music Spectrum Display Kit

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).

The Nextion BOX Speaker accessory is designed for Nextion Intelligent Series HMI displays without enclosure including 4.3″, 5.0″, 7.0″ ,10.1″ display size.

Specifications :

• Input Power：1.5W
• Frequency Range: 100Hz-3KHz
• Connector：1.25mm pitch 2-pin female connector (1.25T-2-2A)
• Wire Length: 250mm
• Size: 31*28*14.8mm

Seven segment displays are used in many days today’s consumer devices like microwave ovens, washing machines, and air conditioners. They are a simple but effective way to display numerical data like time or quantity. Since they are made out of LEDs, they are a low-cost option for displaying information. They are widely appreciated for its features like accuracy, clarity and optimum functionality.

Features :

• Bright Red LED chip, which is made from AlGaAs on GaAs substrate
• Blackface and RED LED segments
• Type: Common cathode
• Low Current Consumption
• High Brightness
• Easy to Use with PCB Mounting as well as on Breadboard

This is an LCD 20 x 4 Parallel LCD Display that provides a simple and cost-effective solution for adding a 20 x 4 white on RGB Liquid Crystal Display into your project. The display is 20 character by 4 line display that has a very clear and high contrast white text upon a blue background/backlight.

This is the great blue backlight LCD display. It is fantastic for Arduino-based projects. This LCD 20 x 4 Parallel LCD Display with Blue Backlight is very easy to interface with Arduino or Other Microcontrollers.

The values shown on the display can be either simple text or numerical values read by the sensors, such as temperature or pressure, or even the number of cycles that the Arduino is performing.


Features :

• 20 characters wide, 4 rows
• White text on the Blue background
• Single LED backlight included can be dimmed easily with a resistor or PWM.
• Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used)

Package Includes :

1 x 20×4 Character LCD Display With Blue Backlight

This is an LCD 20 x 2 Parallel LCD Display that provides a simple and cost-effective solution for adding a 20 x 2 Black on RGB Liquid Crystal Display into your project. The display is 20 character by 2 line display that has a very clear and high contrast black text upon a yellow background/backlight.

This is the great yellow backlight LCD display. It is fantastic for Arduino-based projects. This LCD 20 x 2 Parallel LCD Display with yellow Backlight is very easy to interface with Arduino or Other Microcontrollers.

The values shown on the display can be either simple text or numerical values read by the sensors, such as temperature or pressure, or even the number of cycles that the Arduino is performing.


Features :

• 20 characters wide, 2 rows
• Black text on the Yellow background
• Single LED backlight included can be dimmed easily with a resistor or PWM.
• Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used)

Package Includes :

1 x 20×2 Character LCD Display With Yellow Backlight

2.4″ Inch Touch Screen TFT Display Shield adds a touch up to your Arduino project with a beautiful large touchscreen display shield with built-in microSD card connection. This TFT display is big (2.4″ diagonal) bright and colorful! 240×320 pixels with individual pixel control. It has way more resolution than a black and white 128×64 display.

• Functions： Accurate measurement of non-contact voltage test, AC/DC voltage, current, resistance, continuity, frequency, capacitance, diode, temperature, wire on-off, Battery test. This multimeter can diagnose automotive, industrial, and household electrical issues.
• Durable： The outer layer of the digital multimeter is wrapped with a sturdy silicone protective cover. Generally, a drop will not affect the integrity of the multimeter. The automatic range of the digital multimeter is 6000 ranges to ensure the long-term accuracy of the data.
• Convenient： Designed with a digital LCD display and 'Backlight', showing the reading clearly in dim environment areas. There are two pen holders on the back of the digital multimeter for easy placement.
• Safety： Passed CATII certification, with dual fuses and thermistor protection circuits for anti-burn and explosion-proof. Any current range will be protected stably
• Practicality: Digital multimeter can record measurement data, which is more convenient. Multimeter with flashlight lighting.

DT830D LCD Display Digital Multi-meter Digital Multimeter

3 1/2 Digital LCD display, maximum display 1999

If you have basic knowledge about multimeters you can try this small multimeter for basic continuity checks and voltage measurements. Functions: DCV, ACV, DCA. Resistor (ohms). Diode. Buzzer. Transistor (HFE). Temperature. Square wave output. Battery test. Display: 4.75-centimeter length, 15 millimeter high LCD. Operating Instructions: When testing DC voltage, AC voltage, DC current, resistance, diode, buzzer and battery, connect the red test lead to "V 0 mA" jack and black test lead to "COM" jack. When testing the current more than 200mA, connect the red test lead to "' OADC" jack and black test lead to number 2022;COM" jack. When testing the temperature, connect the temperature probe to "V, 0, mA" jack or "COM" jack. It can also be connected to the jack specialized for it. When testing the magnifying ratio of the transistor, turn the switch to hFE position and connect the transistor to the eight-hole jack. Square Wave Output: The frequency is 50Hz, the voltage is approximate. 3Vp-p.

Exclusively designed Car Park Display System is presenting by our company for customers. Our Car Park Display System is available in variety of designs and sizes as pre the customer’s requirements. Moreover, these displays System look attractive in day as well as at night.

Features:

• Highly reliable
• Extensively used
• Sturdily constructed

Product Details:

Water Level Controller Features:

• Switches ON the pump when the water in the overhead tank goes below the pre-decided minimum level.
• Switches OFF the pump when the water level in the overhead tank reaches the maximum level therefore prevents overflow.
• Visual Indication through LED Lights.
• No need to switch ON or switch OFF the pump manually.
• No more Overflow thus saving water electricity manpower.
• Manual switch Provided for bypass.
• Very easy installation. Can Do It by Yourself

Applications:

• • Bungalows
  • Multi-storied apartments
  • Hospitals
  • Factories
  • Hotels and restaurants
  • Commercial centers and all places with water tanks

This system contains below parts and its description is as below:

For Inline Motors

1. Main Unit connected to the motor. The AC main Live wire is connected direct to the motor and the neutral wire is connected through the device to the motor. The connection diagram is like: two Ac wires in normal case will be connected to motor. In this case, the main live wire is connected direct to motor and the neutral wire is connected through the device.

For Starter Type Motors/ Single/ 3 phase:

Separate manual will be send containing instructions as how to connect the controller to the starter.

Package Contents:

1. One main unit to which water pumping motor has to be connected

2. Ultrasonic Sensor mounted on overhead tank for any liquid level measurement/ Motor ON/OFF