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Posts tagged LM555

Timer using LM555

Timer using LM555 Electronic Circuit Timer using LM555 LM555 Electronics Schematic Diagram Cascaded Time Delay Circuits part 14

BF990A circuit and application Receiver tube Radio

BF990A circuit and application Receiver tube Radio vcc 9v

Circuit electronics to determine the humidity of the room

Circuit to determine the humidity is a comparator, which detects the temperature change is very small in relation to the ambient temperature environment. Parts: R1_____________22K Linear Potentiometer (See Notes) R2_____________15K @ 20°C n.t.c. Thermistor (See Notes) R3_____________10K 1/4W Resistor R4,R5,R7,R9____22K 1/4W Resistors R6____________220K 1/4W Resistor R8______________5K 1/2W Trimmer Cermet R10___________680R 1/4W Resistor C1_____________47µF 63V Electrolytic […]

50 Watt STEREO AMPLIFIER POWER Circuit Diagram

50 Watt STEREO AMPLIFIER POWER Circuit Diagram using TL074, BD139, BD246, BD140, BD245 2 x 50 Watt STEREO AMPLIFIER POWER Circuit Diagram This is a 100 watt STEREO audio power amplifier circuit for your guitar. Of course a high quality pre-amp is needed to produce high quality audio output. You need this schematics.? Go to […]

12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram

12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram 12v symmetric power supply using 7812, 7819, DZ12v   CT simetris and non CT Transformer Power Supply 12V PCB 12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram This circuit provides ±12V regulated DC output based on LM7812 and […]

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