Pinewood Derby Q&A

serial.jpg

Summary: 10mf caps. The square hole is the one for the positive (longer lead). On connector P3 the top line goes to Pin 2 on the serial interface, and the bottom line goes to Pin 5. This picture has a voltage regulator and headers, that you probably would not use when making yours. Troubleshooting To test the interface put the high bright LED into the db

Image Dimensions: 590 x 373