| Two tone siren v3 |
Two tone siren using two NE555 timer ICs. |
2.99 |
2,266 |
| Classic transistor amplifier 250W |
Classic transistor amplifier 250W with complementary pair 2SC-2SA. |
2.97 |
9,123 |
| Voice modulator |
A device that distorts NF audio input into a robot-like sound at the output. |
2.96 |
5,777 |
| Simple FSK modulator |
Simple FSK modulator. |
2.95 |
1,866 |
| Active electronic protection for sound box |
This device is used as a protection from overpower that can exist at the output of the amplifier. |
2.95 |
4,904 |
| Audio amplifier 2x6W |
Audio amplifier 2x6W with TDA2615. |
2.94 |
2,726 |
| Laser diode audio transmitter |
Laser diode audio transmitter with NE555. |
2.94 |
2,140 |
| Amplifier 200-500W with transistors |
Amplifier 200-500W with transistors MJ15003. |
2.93 |
31,902 |
| Complete audio amplifier 150W |
Quality audio amplifier schematics and all side-circuits for it's proper operation. |
2.93 |
21,654 |
| Oneway IR audio link |
Oneway IR audio link, transmitter and a receiver. |
2.93 |
2,605 |
| MOSFET amplifier IRF540 |
MOSFET amplifier (modified Citation 12 MOSFET by N. Pass Labs). |
2.92 |
5,485 |
| Amplifier with TDA7294 |
Very good audio amplifier with TDA7294, 2x80W. |
2.92 |
4,502 |
| Audio amplifier 10W |
Audio amplifier 10W with transistors. |
2.92 |
4,639 |
| Ultrasonic receiver |
Ultrasonic audio receiver. |
2.92 |
1,346 |
| Amplifier 130W max |
Amplifier 130W max at 2 ohms, final stage with BDW83C i BDW84C. |
2.92 |
4,587 |
