Tag: LED
![Arduino 4-Digit 0.5″ Common Cathode 7 Segment Display Module Arduino 4-Digit 0.5″ Common Cathode 7 Segment Display Module](https://www.electronics-lab.com/wp-content/uploads/2021/11/004-1-1024x732.jpg)
Arduino 4-Digit 0.5″ Common Cathode 7 Segment Display Module
This project will help you to easily develop an Arduino compatible project that requires 4 x -7Segment 0.5" displays. The project consists of an Atmega328 microcontroller, 4 x BC847 NPN transistors to drive the common cathode displays. All displays are used in multiplexing...
Continue Reading![Arduino 3-Digit 0.5″ Common Cathode 7 Segment Display Module Arduino 3-Digit 0.5″ Common Cathode 7 Segment Display Module](https://www.electronics-lab.com/wp-content/uploads/2021/11/004-1024x735.jpg)
Arduino 3-Digit 0.5″ Common Cathode 7 Segment Display Module
This project will help you to easily develop an Arduino compatible project that requires 3 x 7-Segment 0.5" displays. These are common cathode displays that use multiplexed configuration, BC847 transistor drives 3 x common cathodes, all display segments are connected to the...
Continue Reading![Arduino 2-Digit 0.5″ Common Cathode 7 Segment Display Module Arduino 2-Digit 0.5″ Common Cathode 7 Segment Display Module](https://www.electronics-lab.com/wp-content/uploads/2021/11/001-1-1024x626.jpg)
Arduino 2-Digit 0.5″ Common Cathode 7 Segment Display Module
This is an Arduino compatible board for creating 2 Digit Display projects. The circuit operates with 5V DC, Connector CN1 is provided for bootloader programming and Arduino firmware upload. A new Atmega328 chip requires a bootloader and Arduino firmware programming, Connector CN1...
Continue Reading![4 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed) 4 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)](https://www.electronics-lab.com/wp-content/uploads/2021/10/BOM-9-1024x182.jpg)
4 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)
This 4 Digit 7 segment display project contains 4 x Common Cathode displays, current limiting resistors or each LED segment, 4 x PNP transistors on each common cathode for multiplexing, etc. This is a very compact project that works with 5V TTL signals but can be optimized for 3.3V...
Continue Reading![2 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed) 2 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)](https://www.electronics-lab.com/wp-content/uploads/2021/10/002-6-1024x689.jpg)
2 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)
This 2 Digit 7 segment display project contains 2 x Common Cathode displays, current limiting resistors or each LED segment, 2 x PNP Transistor on each common cathode for multiplexing, etc. This is a very compact project that works with 5V TTL signals but can be optimized for 3.3V...
Continue Reading![POV (Persistence of Vision) – Open-Source Arduino Nano Hardware POV (Persistence of Vision) – Open-Source Arduino Nano Hardware](https://www.electronics-lab.com/wp-content/uploads/2021/10/002-3-1024x344.jpg)
POV (Persistence of Vision) – Open-Source Arduino Nano Hardware
This is an easy and simple hardware to create a POV display. The hardware consists of a Hall sensor, Arduino Nano, 17 x 5mm LEDS of various colors, etc. The Hall Sensor is connected to analog pin A5 with a pull-up resistor. The circuit works with 3.7V to 5V DC and a 3.7V battery is...
Continue Reading![Radio Remote Control LED Dimmer Using NRF24L01 – Arduino Compatible Radio Remote Control LED Dimmer Using NRF24L01 – Arduino Compatible](https://www.electronics-lab.com/wp-content/uploads/2021/10/001-1-1024x642.jpg)
Radio Remote Control LED Dimmer Using NRF24L01 – Arduino Compatible
This is an easy-to-make LED dimmer using RF remote control. The project is capable of driving a load up to 24W (2A X 12V LED). Any 12V single or 12V LED strip can be used. This is an open-source Arduino compatible hardware that has Atmega328 microcontroller, Potentiometer, MOSFET, 5V...
Continue Reading![12W Constant-Current LED Driver with PWM Dimming – 12V DC@1A Input 12W Constant-Current LED Driver with PWM Dimming – 12V DC@1A Input](https://www.electronics-lab.com/wp-content/uploads/2021/09/SCH-10-1024x534.jpg)
12W Constant-Current LED Driver with PWM Dimming – 12V DC@1A Input
This is a high-performance, adjustable constant current, and PWM dimmer project. It provides accurate output constant current and PWM control. The circuit regulates the current flowing through a LED/LED array to maintain the desired level of light output. The board consists of...
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