October – 2010 – Free Electronic Circuit Schematics

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300W Audio Power Amplifier Circuit With Power Transistor October 29, 2010
Posted in audio amplifier.
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30 Watt Audio Power Amplifier Circuit with Power Transistor October 27, 2010
Posted in audio amplifier.
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Toxic Gas Detector and Alarm Circuit with TGS813 October 24, 2010
Posted in Alarm circuit, Security circuit.
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simple digital volume control circuit with DS1669 October 22, 2010
Posted in Audio Mixer, audio amplifier.
1 comment
Stereo Amplifier Circuit with LM380 October 20, 2010
Posted in Amplifier, audio amplifier.
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High temperature warning indicator circuit October 19, 2010
Posted in Alarm circuit, Temperature Circuit.
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Power source failure indicator and alarm circuits with BC558 October 18, 2010
Posted in Battery Charger, Power supply.
2 comments
Thermostat circuit diagram with IC 4050 October 12, 2010
Posted in Temperature Circuit.
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5 zone anti theft circuit October 11, 2010
Posted in Security circuit, Sound Circuit.
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Temperature regulator circuit with TIP122 October 10, 2010
Posted in Temperature Circuit.
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RF signal generator circuit with 2N5458 October 7, 2010
Posted in RF-circuit.
2 comments
6 to 58 dB Electronic Attenuator Circuit October 6, 2010
Posted in RF-circuit, frequency amplifier.
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Thermostat circuit diagram with LM319 October 5, 2010
Posted in Temperature Circuit.
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1000 Watt Space Heater Thermostat circuit with SCR controlled October 3, 2010
Posted in Temperature Circuit.
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Birdle Doorbell Ringer Circuit with NTE159 October 2, 2010
Posted in Sound Circuit.
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