Connect 4 Binary Clock

Remember that old Connect 4 game sitting in your basement/closet/chest/Batcave? You’ve always wanted to upcycle that into a functioning binary clock utilizing the awesome powers of an Arduino, haven’t you? Of course you have! Well, you’re in the right place! This is a great weekend project that will provide you... Read more »

X10 Macro Module

One of the most powerful additions to an X10 system is macro capability, where a computer continuously monitors the powerline for trigger signals, and responds by executing a timed sequence of additional X10 commands. Read more »

Micro FM Transmitter

This circuit is commonly credited to Japanese multimedia artist Tetsuo Kogawa. It takes audio input through a 1/4″ phono jack and, constructed as shown, without the optional antenna connections, will broadcast an FM radio signal about 30 feet. This is the standard model of Mr. Kogawa’s simplest FM transmitter, which... Read more »