Adjustable LM317 Power Supply Kit From 110V To DC With 1.25V To 12V Output Built In Voltmeter Soldering Project For Adults Hands On Learn Electronics DIY Regulated Power Source For Prototyping Small Circuits

Adjustable LM317 DIY Power Supply Kit - Single Kit
✔️ 110V input, 1.25-12V output, built in voltmeter

This adjustable regulated power supply kit uses an LM317 regulator to deliver a safe, tunable DC source for small electronics projects. It's a handy learning tool for students, hobbyists, and workshop prototyping, widely used in classrooms and home labs to power prototype circuits.

✅ Adjustable output from 1.25-12 V with built-in voltmeter
✅ 110 V AC input powered by internal transformer
✅ Includes one adjustable signal output and a buzzer for circuit testing
✅ Compact shell size 112 mm x 69 mm x 40 mm; PCB 72 mm x 62 mm
✅ Pack includes paper instructions and website tutorials
✅ Weight about 270 g

💡 What is an adjustable LM317 power supply used for? This handy device serves as a compact, tunable bench supply for experimenting with circuits. - Power supply for electronics prototyping and bench testing of small circuits - Handy for teaching voltage regulation and soldering practice - Useful for powering microcontroller projects, LEDs, and sensors in educational setups