Small electronic siren |
Siren with two NE555. |
2.86 |
3,888 |
Small electronic siren v2 |
Small electronic siren with NE562. |
2.88 |
2,143 |
Stereo amplifier |
Stereo audio amplifier with ULN2274B. |
2.90 |
2,835 |
Stereo coder |
Stereo coder. |
2.83 |
1,489 |
Stereo coder - multiplexer |
This stereo coder is suitable for FM transmitters if you wish to transmitt stereo audio. |
2.89 |
2,122 |
Tremolo effect |
Tremolo audio effect. |
2.84 |
1,224 |
Two tone siren at 1.5V |
Nice little siren operating at 1.5V. |
2.88 |
2,398 |
Two tone siren v1 |
Two tone siren using two NE555 ICs. |
2.89 |
1,343 |
Two tone siren v2 |
Two-tone siren with CMOS IC 40106. |
2.84 |
1,249 |
Two tone siren v3 |
Two tone siren using two NE555 timer ICs. |
2.99 |
2,270 |
Two transistor audio amplifier |
Two transistor audio amplifier. |
2.81 |
3,243 |
Ultrasonic generator |
Generates audio signal from 12 to 50 kHz. |
2.88 |
1,495 |
Ultrasonic receiver |
Ultrasonic audio receiver. |
2.92 |
1,346 |
Underwater microphone |
Underwater microphone with TBA820M. |
2.84 |
1,192 |
VU-meter with 6 LED diodes |
VU meter with 6 LED diodes with no power supply. |
2.87 |
3,371 |