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Posts tagged produce sound

Light sensor circuit diagrams

Light sensor circuit diagrams Light sensor circuit diagrams This circuit has two distinct functions, either using the same light sensor, a circuit module is useful for light and turn off the lights (relay), and that only produce sound. Usually applies to a security alarm place. Components used: Sensor LDR 2N3904 Relay Audio alarm using LM386

Electronic Module Control – DC MOTOR SPEED CONTROLLER

Electronic Module Control – DC MOTOR SPEED CONTROLLER using KA2407, KA2404 DC MOTOR SPEED CONTROLLER The KA2407 is a monolithic integrated circuit designed for DC motor speeed controllers. FEATURES High stable operation over a wide range of supply voltage; Vcc=3.5V~14.4V Stable low reference voltage (1.0V Typ) for wide motor speed setting., A minimum number of […]

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 […]

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