That’s a lot of tedious work, but you can order an LED matrix pre-built to save some time and headache. You’ll still need a driver though, and while building one yourself can be rewarding ...

Put together on a piece of perfboard, the handwired circuit also includes an Adafruit PowerBoost 500 Charger, a 3.7 V 2500 mAh LiPo battery, a IS31FL3731 Charlieplexed PWM LED driver, and a piezo ...

They were then replaced by even brighter LED lights.Today more and more vehicle manufacturers offer intelligent LED matrix lighting that automatically adapts to the environment, which means that ...