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Posts tagged LED and light circuit diagrams

Dancing LEDs circuit module

Dancing LEDs circuit module using tip31 4017 How to Make LEDs Dance ?

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 […]

How to Repair Power Supply TV ?

How to Repair Power Supply TV Please check the power supply voltage 220V, and fuse. When normal voltage is 220V and sekreng normal, then check the voltage at 400V DC Elko, if no voltage then check the 4 diodes, maybe something is broken. then, if the voltage is measured at 400V 400VDC elko exactly, then […]

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