US Plug 110V DIY LM317 Adjustable Voltage Power Supply Board Kit with Case
10,99 $
- One way adjustable signal generator output. Convenient to provide the pulse signal
- Working Perfect,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)
- LM317 voltage regulated power supply kit. Easy to build. Very useful.












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