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Posts tagged rain alarm circuit working

Rain detector circuit

Rain detector circuit LM1801, 2N2222, 4011B, NE555, LM555, BC547, BC107, 2N5825, BC548, BC168 Rain detector circuit 3 kinds of circuit diaghrams to dethect the rain water, the principle is the same, the difference is the component, and the results were good, of course should be in comparison to his own. Good luck making Rain detector […]

Power supply and motor control circuits – Tip31 circuits

AC voltage regulator and motor control circuits – BC182, Tip31 circuits Motors and drivers Tip31 circuits Circuit diagram of the motor control it, serves to control the motor, the electric door, so there are 2 switch is used to start the motor rotates clockwise or opposite direction, meaning the switch to open S1, and S2 […]

Speaker Pre-amp Schematic

Speaker Pre-amp Schematic using BC109C , 2N3904 Preamp circuit for Speakers using BC109C , 2N3904 Speaker Pre-amp Schematic using BC109C , 2N3904

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