Month: June 2009

Arduino based telephone Intercom

Arduino based telephone Intercom

This is a really interesting solution to a relatively common problem of implementing a whole house intercom system. Keep in mind, many of today’s phones already have an intercom feature, but it isn’t nearly as satisfying to use as one based on an Arduino. You can really learn a lot about electronics and micro controllers […]

How-To: Power connections in schematics

How-To: Power connections in schematics

Erica “ALH84001” Archer provides some insight for those new to drawing up electronics schematics – Most vintage schematics are hard to read because engineers back then customarily drew explicit connections for supply voltages all thru the schematic. But that can end up looking like a confusing maze of lines, making it hard to visualize what […]