Easy Radio Wave Alarm
Sunday, June 24th, 2007Advertisements
Radio Wave Alarm
by Rev. Thomas Scarborough - scarboro@iafrica.com
This simple circuit is sure to have the police beating a path to your door - however, it has the added advantage of alerting you to their presence even before their footsteps fall on the doormat.
radio wave alarm
The circuit transmits on Medium Wave (this is the small problem [...]
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