DIY Kit LM317 Adjustable Regulated Voltage AC 220V To 1.25V-12V Step-down Power Supply Module PCB Board Electronic Kits EU Plug

Features: 1. With adjustable signal generator output, it is convenient to provide pulse signal to test circuit. 2. With buzzer, you can test the wire on and off (connect the wire to the power input and signal input, wire pass-buzzer sound) and low frequency signal (put the signal from the signal input, if there is signal, beep Sounder). 3. The product is a spare part, it needs to be welded and assembled by itself, especially suitable for DIY. 4. DIY fans can be replaced with the same output 110V transformer, which can be used for AC 110V. 5. Suitable for DIY electronic production, adjustable power supply assembly.

Specification: Condition: 100% Brand New Item Type: Voltage Power Supply Board Kit Input Voltage AC 220V Plug: EU Plug Power: 2W Output Voltage Range: DC 1.25-12V

Package List: 21 x Screw 23 x Nut 1 x Flat Pad 4 x Hex Screw 1 x PCB Board 1 x Voltmeter 2 x Thermistor 10 x Resistance 4 x Capacitor 4 x Light-emitting Diode 2 x Crocodile Squeezer 1 x Buzzer 2 x Terminal 1 x IC Holder 1 x IC 2 x Triode 4 x Diode 1 x NTC 1 x Adjustable Resistor 1 x Switch 1 x Switch Cap 1 x Cooling Block 1 x Acrylic Panel Kit 1 x EU Plug