A firm based at Greenbackville, Virginia provides parts and kits for Amateur Radio applications. Products include data and audio cables for APRS and packet radio. They also offer simple serial communications testing and monitoring tools.
Emergency Vehical Flasher
A spinoff of the original LED chaser. It’s based on the PIC16F84 clocked at 10MHz. This is a basic model that can be adapted to many applications. They are much brighter and can be seen during the day better.