/Schematics/Everything else

Title Short description Rate Download
Elektro-shocker with NE555 10-15kV Electro-shocker 10-15kV with NE555 at 12V. 2.91 10,568
Event counter Event counter with 7 segment display. 2.86 2,196
Frequency meter Frequency meter using PC. 2.90 3,791
GSM phone ring detection This device will blink LED just before GSM phone will ring. 2.89 3,590
GSM sniffer Locate a GSM phone. 2.93 36,681
Geiger counter v1 Beta and Gamma ray detector with a neon-tube. 2.84 1,942
Geiger counter v2 Geiger coutner with GM tube. 2.87 1,112
Geiger counter v3 Very good Geiger counter. It uses GM tube. 2.92 1,561
Generation of square wave signals Generation of square wave signals with NE555 (blinking an LED) - 4 schematics. 2.87 1,411
HALO card emulator HALO card emulator - HR. 2.90 2,772
Heads or tails v1 Electronic heads or tails game. 2.94 1,078
Heads or tails v2 Heads or tails with NE555. 2.90 494
Heat detector using NE555 and diode Heat detector using NE555 and a diode. 2.85 3,553
Infrared switch IR led and diode switch. 2.90 3,469
Inteligent switch Inteligent switch circuit. 2.86 2,976

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