Sound to Colour Light Effects – Arduino Compatible


https://www.electronics-lab.com/project/sound-to-colour-light-effects-arduino-compatible/

This is a fun-loving project based on the Arduino platform. The project creates color light effects with sound level sense by an onboard condenser microphone. The project consists 20 x WS2812B RGB LEDs, an Atmega328 micro-controller, condenser microphone along with pre-amplifier, RCA connector, and trimmer potentiometer to direct feed audio. The project can be used […]

Automatic LED Stairway Lighting – Arduino Compatible


https://www.electronics-lab.com/project/automatic-led-stairway-lighting-arduino-compatible/

This creative idea is suitable for a stairway with 16 stairs, each stair can have a 12V LED. It has two sensors one at the start and one at the end of the stairs and when the sensor trigered at any end it starts a process of lighting each of the steps in a progressive […]

PIR Motion Sensor LED Ceiling Light – Arduino Compatible


https://www.electronics-lab.com/project/pir-motion-sensor-led-ceiling-light-arduino-compatible/

This motion sensor LED ceiling light board has been designed using 4 white LEDs each of 1-3W, PIR sensor module, Atmega328 microcontroller, low ohm IRLR7843 MOSFET, and few other components. The PIR sensor detects the infra-red rays emitted by human motion within the detection area and switches on the 4 white LEDs for 10 seconds.  […]

16 High Power LEDs Knight Rider Light – Arduino Compatible


https://www.electronics-lab.com/project/16-high-power-leds-knight-rider-light-arduino-compatible/

This is a Knight Rider LED Light and it is one of the best Arduino projects for beginners. This board drives 16 high-power LEDs to turn them ON one by one sequentially. This is an open-source Arduino compatible project that contains 16 high current MOSFETs, Atmega328 microcontroller, 5V regulator etc. The gate of IRLR7843 MOSFETs […]

Temperature Controlled RGB LED Light Stick – Mood Light


https://www.electronics-lab.com/project/temperature-controlled-rgb-led-light-stick-mood-light/

The circuit presented here is a LED light stick which changes its color in respect with the room temperature. This is an Arduino compatible open source project consisting of 20 x WS2812B Addressable RGB LEDs, LM35 Temperature Sensor and ATmega328 microcontroller. Atmega328 microcontroller reads the LM35 temperature sensor and changes the RGB LEDs color as […]

LED Fading Effect / LED Strobe using 555


https://www.electronics-lab.com/project/led-fading-effect-led-strobe/

In general, generating an LED fade effect requires a microcontroller or another expensive circuit. We have built this low-cost LED fading board using an inexpensive 555 Timer. The 555 timer is used as an astable multivibrator, which generates low-frequency pulses, further, this pulse train is feed to the base of BJT transistor TIP122 with a […]

60W LED Dimmer for 12V LEDs using 555 Timer


https://www.electronics-lab.com/project/60w-led-dimmer-for-12v-leds-using-555-timer/

The project shown here is a cheap 60W LED dimmer for 12V LEDs/12V LED strips. The circuit is based on the very popular, versatile, and low-cost 555 timer IC, NE555 IC generates a PWM signal and IRF540 MOSFET works as output driver for the LEDs. In this circuit the 555 IC used in an astable […]

24 LEDs Bargraph Display using 74HC595 Shift Register


https://www.electronics-lab.com/project/24-leds-bargraph-display-using-74hc595-shift-register/

This project is built for fun loving users to create a 24 LED bar-graph for light effects that can be driven using Arduino or another microcontroller. The project consists of 74HC595 x 3 chips, and 24 LEDs of Red, Green, Blue, and Yellow colors. The project helps the user to experiment with serial-in and parallel-output […]

Smart RGB LED Light Stick – Arduino Compatible


https://www.electronics-lab.com/project/smart-rgb-led-light-stick-arduino-compatible/

This is a Smart LED light stick that contains 20 x WS2812B single wire addressable full colors RGB LEDs and Atmega328 microcontroller. These full colors chainable intelligent RGB LEDs work with a single wire addressable protocol thus they require a micro-controller to generate the pulse train to control the colors and flashing effects. Refer to […]

RGB LED Controller using Atmega328


https://www.electronics-lab.com/project/rgb-led-controller-using-atmega328/

This is a 3-channel, PWM based current-adjustable LED driver designed for RGB LED control. The circuit has been designed to control high current RGB LEDs or RGB LEDs strip. Colors of the three RGB LEDs can be set using 3 potentiometers, different colors are possible by adjusting these potentiometers. We have used ATmega328 microcontroller to […]