Adjustable Regulated Voltage Step down Power Supply

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DIY Kit LM317 Adjustable Regulated Voltage 110V 220V to 1.25V-12.5V Step-down Power Supply Module PCB Board Electronic kits Type: Voltage Regulator Package: SMD Model Number: lm317 kits adjustable voltage power Condition: New Application: Computer Description: One way adjustable signal generator output. Convenient to provide the pulse signal With a logical pen function. For convenient the logic level of test circuit With one way buzzer. You can test the wires on and off (connect the wires to the power positive and signal input, the wire on - the buzzer sound). You can also test the low-frequency signal (input the signal from the signal input, if there is a signal, the buzzer sound) Show more