€2,75
LM317 DC-DC Step Down converter
LM317 DC-DC Step Down converter
Output Min: 1.5A
Output Max: 2A
Voltage input: 4.2 - 40V
Voltage Output: 1.2 - 37V
Module size: 35.6 - 16.8mm
You do not have to solder with this module, you can screw the wires.
And with the potentiometer you can set the voltage.