LM317 Adjustable Voltage Regulator Kit, PEMENOL AC-DC 110V to 1.25V-12V Electronic DIY Adjustable Signal Generator Output LED Display DC Power Supply Electronic Kit for DIY Warm Air Blower

Adjustable Regulated Power Supply: It is an AC-DC 110V to 1.25V -12V LM317 Adjustable Step Down Power Supply Buck Voltage Converter LED Display DIY Kit. The module can output stable voltage. You can change output by operating a potentiometer
Multifunctional Welding Training Kit: This kit is suitable for teaching and training as well as for beginners to practice. It is a good choice for electronic enthusiasts. Very good for training your kid' s and student' s Hands-on ability and learning ability. Please read the user manual for the welding method
RC Signal Generator: 1 channel adjustable signal generator output, convenient to provide pulse signals to the experimental circuit. Because the output current is not large, it is only suitable for powering small current circuits. If the power supply load is too large, the voltage will drop. Can' t charge the phone
Logic Signal Test Circuit: The adjustable regulated voltage power supply electronics kit has a logic pen function, which is convenient for testing the logic level of the circuit. With 1 channel buzzer. Can test the continuity of the wire, and can also test low-frequency signals
Application: It can be used as a low-power power supply, signal generator, and logic signal tester. There is a buzzer function for sensor alarms, such as soil moisture alarm, temperature alarm, etc.