| Audio communication over mains 220V |
Audio communicator over mains power network - 220V. |
2.86 |
8,438 |
| Mini buzzer at 12V |
Mini buzzer at 12V. |
2.85 |
4,095 |
| Audio amplifier 80W |
Audio amplifier 80W using LM3875. |
2.85 |
18,992 |
| Audio amplifier 4x80W |
Amplifier 4x80W with TDA7560. |
2.85 |
6,255 |
| Audio amplifier 60W with TDA7294 |
Mono audio amplifier 60W with TDA7294. |
2.85 |
6,370 |
| Two tone siren v2 |
Two-tone siren with CMOS IC 40106. |
2.84 |
1,251 |
| Morse code practice keyer v1 |
Simple Morse-code practice oscillator. |
2.84 |
1,204 |
| Tremolo effect |
Tremolo audio effect. |
2.84 |
1,226 |
| Weak audio signal amplifier |
Amplifier of a weaker signal. |
2.84 |
1,719 |
| Underwater microphone |
Underwater microphone with TBA820M. |
2.84 |
1,194 |
| Wah-wah effect |
Wah-wah audio effect. |
2.84 |
2,468 |
| Amplifier 50-110W |
Simple and pretty-good-quality amplifier. |
2.84 |
5,445 |
| Amplifier with 2N3055 for bass box |
Amplifier with 2N3055 for bass box. |
2.84 |
7,111 |
| Interphone v1 |
Interphone - intercom. |
2.83 |
3,811 |
| Stereo coder |
Stereo coder. |
2.83 |
1,490 |
