32.768 KHz oscillator |
Generate clock of 32.768 KHz with a common watch crystal. |
2.90 |
1,428 |
Generation of square wave signals |
Generation of square wave signals with NE555 (blinking an LED) - 4 schematics. |
2.89 |
1,422 |
RDS decoder with ATtiny2313 |
RDS decoder with ATtiny2313 and TDA7330B RDS decoder-chip. |
2.91 |
1,415 |
MOS FET oscillator |
Professional version of uncontrolled oscillator with MOS FET. |
2.88 |
1,290 |
Virtual presence |
Randomly turns lights on and off. |
2.93 |
1,206 |
Geiger counter v2 |
Geiger coutner with GM tube. |
2.89 |
1,120 |
Heads or tails v1 |
Electronic heads or tails game. |
2.95 |
1,082 |
Electroscope |
A device that detects static charge. |
2.96 |
1,079 |
Tilt switch |
Tilt switch like in pinball machine, using NE555. |
2.89 |
1,004 |
One-second clock signal source |
Generating a 1-second clock signal with a crystal. |
2.98 |
909 |
Low frequency clock signal source |
Low frequency clock signal source. |
2.90 |
866 |
Strain-gage sensor |
Strain-gage sensor 4-20mA. |
2.94 |
822 |
Schmitt triger |
Schmitt triger as a filter. |
2.92 |
802 |
Continuity tester |
Adjustable continuity tester. |
2.91 |
748 |
Master Clock driver for antique slave clocks |
Master clock for big old clocks with impulse motor. |
2.97 |
723 |