LM317 Adjustable Voltage Regulated Power Supply DIY Kit LM317 AC 220V to DC 1.25-12V Stabilized Power Supply laboratory

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:

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