| Object counter |
Object counter circuit. |
2.95 |
2,270 |
| One-second clock signal source |
Generating a 1-second clock signal with a crystal. |
2.98 |
909 |
| Oscilloscope for win v2.51 |
Oscilloscope for PC using a sound-card. |
2.91 |
3,927 |
| PC controller |
Control relays via PC LPT parallel port. |
2.93 |
3,233 |
| PC monitor radiation measurement |
This device measures PC's monitor radiation according to MPR-II and MPR-III standard. |
2.94 |
1,647 |
| Phase loss protection |
Device that provides a protection when one out of three phases are lost. |
2.96 |
3,692 |
| Quiz game switches |
Three switches for a quiz game. |
2.92 |
2,509 |
| RDS decoder |
RDS signal decoder. |
2.96 |
1,839 |
| RDS decoder with ATtiny2313 |
RDS decoder with ATtiny2313 and TDA7330B RDS decoder-chip. |
2.91 |
1,415 |
| RS232 serial interface |
Cable for connecting Siemens S25 to a PC's serial port. Universal RS232 interface. |
2.93 |
2,379 |
| Rain detector |
Rain or water detector. |
2.92 |
3,595 |
| Schmitt triger |
Schmitt triger as a filter. |
2.92 |
802 |
| Short circuit detector |
Detects open and short circuit conditions. |
2.88 |
3,945 |
| Signal generator |
Device that generates signal based on RC values. |
2.93 |
1,905 |
| Simple blinker |
Schematics of a simple light blinker. |
2.87 |
2,416 |
