Edit: Schematic had a bug, the INT pin on the DS3234 should be connected to pin 2 on the arduino, not the 32kHz pin! I updated the schematic. I bought a small aquarium (54l) as an impulse buy and I needed some lights for it, so naturally I wanted to use LEDs. I also needed a timer for the lights. I also wanted the lights to fade in and out […]
Categories: Aquarium lighting, Electronics projects