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
Archives for PLC Controller
Make Auto-Fan, 741 AutoScout temperature control – More circuit Temperature Control
Make Auto-Fan, 741 automatic temperature control – More circuit Temperature Control
9W Audio Amplifier Circuit using STK436
9W Audio Amplifier Circuit using STK436
Projection 50″ TV, Power Supply Problem?
afterburner asked: Tried to paste a circuit diagram into this problem, but no luck. PROBLEM DESCRIPTION: Believe the problem is in the power suppy. Model: Hitachi CU 5002k 50″ 3 tube projection. No picture, raster or sound. I have no scope. Have VTOM. Output from the Sub Power Supply is, and should be, 122 VAC […]
power supply using A723
power supply using A723, Tube
Thermostat Schema diagram using lm56
Thermostat Schema diagram using lm56
