Device purpose: This circuit is intended to signal when a plant needs water. A LED flashes at a low rate when the ground in the flower-pot...
Senin, 28 Februari 2011
Water Alarm Level Indicator Circuit
Versatile circuit which indicates the level of water in a tank. This circuit produces alarm when water level is below the lowest level L1 a...
Simple Water Level Indicator
Description T his is the circuit diagram of a simple corrosion free water level indicator for home and industries.In fact the the level ...
Rabu, 02 Februari 2011
Mobile Phone Sniffer
Mobile Phone Sniffer Design by B. Kainka Track down mobile phones using this handy directional finder Part list -----------------...
UHF Video Transmitter
This UHF Video Transmitter will radiate a UHF signal between 420 and 500MHz with aproximately 150mW Output. The range using a 35cm telesco...
Mini video transmitter
This circuit transmits video signal to TV / VCR with a range up to 100 meters . R1 : 1K R2 : 680 R3 : 1K C1 : 10nF ...
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