Amplifier Auto Power ON Signal detecting auto power-on unit, audio signal controlled relay switch module, amplifier auto power on, audio sensing power switch, audio detector switch, audio signal detector circuit, line level audio detection circuit, audio triggered power switch part : BC547 , BC557, LM358, Relay
Posts tagged LM358
The 80 Meter band Radio Circuit
The 80 Meter band Radio Circuit using TR 2N2222, C460, C372, C1162, C1173, C1226, D476, D68,D67,C901 The 80 Meter band Radio Circuit using TR 2N2222, C460, C372, C1162, C1173, C1226, D476, D68, D67, C901
Amplifier system
Amplifier system for audio players using BA3870 Amplifier system for audio players using BA3870
Making Electronic Circuits Alarm for anti-fire
Making Electronic Circuits Alarm for anti-fire This circuit warns the user against fire accidents. It relies on the smoke that is produced in the event of a fire. When this smoke passes between a bulb and an LDR, the amount of light falling on the LDR decreases. This causes the resistance of LDR to increase […]
LM555 Electronic Schematic Diagram Variable period Oscillator CD4017 part 30
LM555 Electronic Schematic Diagram Variable period Oscillator CD4017 part 30
