LM317 Adjustable Power Supply DIY Electronic Kit Regulated Voltage PCB Board 110V 220V 12V Stabilize

Features ● 100% Brand New And High Quality! ● Using high-quality materials, the quality is guaranteed ● 1.25-12V adjustable regulated output, output current 200mA, suitable for powering small DIY circuits ● One channel of adjustable signal generator output, which is convenient to provide pulse signal to the test circuit ● Logic pen function, easy to test the logic level of the current ● With a buzzer, it can test the continuity of the wire (connect the wire to the positive terminal of the power supply and the signal input terminal, the wire is connected - the buzzer sounds), and can also test the low-frequency signal. (input the signal from the signal input terminal, If there is a signal, the buzzer will sound) Package List DIY LM317 Kit * 1