Low Voltage Battery Level Indicator Up to now, this battery level indicator design was limited to 12 & 24V applications. In past circ...
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SCR 12V to 5V USB Converter
SCR 12V to 5V USB Converter SCRs are the switching devices for this unusual DC to DC converter that is suited for the ubiquitous 5V USB ...
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3G dish antenna in 5 minutes at home free
3G dish antenna in 5 minutes at home free In this instructable I'll show you how I solved a connecting problem with my 3g antenna ...
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Small FM Radio Circuit
How To Make Small FM Radio Circuit Perhaps this is one of the simplest and smallest FM radio receiver that can receive the FM stations av...
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Flasher
A flashing light of high brightness and short duty cycle is often desired to provide maximum visibility and battery life. This necessitates ...
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