Ceiling Fan LED Display

Step 4 The assembly line

The fan has 5 blades and I settled on 32 lights per, so 10 boards were needed. I made up some jumper wires so I could test the boards as they were built. A few LEDs out of the bunch were bad. I choose to use the Atmel ATMEGA328 for the extra memory and 74HC595 shift registers to drive the LEDs. Each board also has its own voltage regulator. Only six more to go...