Power On Indicator Circuit

D Mohankumar - 02/28/2010

This Power On Indicator circuit is highly useful to detect the presence of AC in Mains powered instruments [...]

Mobile Scanner Circuit

D Mohankumar - 02/08/2010

Here is a device to locate the mobile phone. It emits intermittent flashes and beeps to indicate the [...]

Flashing Brake Light for Motorcycles Circuit

P. Marian - 02/05/2010

This flashing brake light circuit can be used for motorcycles. When brake-light switch S1 is closed, power is [...]
electronic pest repellent schematic

Electronic Mice Repellent Circuit

P. Marian - 04/17/2008

This electronic mice repellent emit high frequency sound waves to create an acoustically hostile environment that effectively repels [...]
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