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Posts tagged Bell

Electronics Schematic Diagram alarm Door Bell circuit using IC UM 66 part 1

This is a slight modification of that circuit. In the previous circuit you have to keep the switch pressed for making the IC play the full music. Here if once the push button is pressed C1 is charged and the transistor Q2 will keep the IC playing the music till it ends. The time for […]

LM556 – LM555 Electronics Schematic Diagram Flip-Flop Made With A LM556 Timer part 33

LM556 – LM555 Electronics Schematic Diagram Flip-Flop Made With A LM556 Timer part 33

tube amplifier Circuit

tube amplifier Circuit using LT1065, EL34, 1N4007, B40C3700, 1N4001

LM555 Electronics Schematic Diagram Power-Up Reset Timers part 38

LM555 Electronics Schematic Diagram Power-Up Reset Timers part 38

100v Power Supply circuit and 300W Audio Amplifier Circuit

100v Power Supply circuit and 300W Audio Amplifier Circuit

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