12W Constant-Current LED Driver with PWM Dimming – 12V DC@1A Input

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https://www.electronics-lab.com/12w-constant-current-led-driver-with-pwm-dimming-12v-dc1a-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 CAT4101 LED driver chip and LTC6992-1 PWM generator chip. 12W Constant-Current LED Driver […]

RGB Led Driver Shield for Arduino Nano

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https://www.electronics-lab.com/rgb-led-driver-shield-arduino-nano/

This is my second project for LED Driver based on CAT4101 IC. The first project was for single White LED. This project has been designed to drive 3 channels of RGB LEDs with PWM signal which helps to create multi-color LED light. Arduino Nano is used to generate PWM signals for RGB LEDs and board […]

1Amp Constant Current LED Driver Shield for Arduino Nano

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https://www.electronics-lab.com/1amp-constant-current-led-driver-shield-arduino-nano/

1A Constant current LED driver shield for Arduino Nano has been designed for verity of LED related applications. The shield provides accurate LED current sink to regulate LED current in a string of LEDs or single LED. The LED current is mirrored from the current flowing from the RSET Preset PR1. On board 1W LED […]