DSN-DVM-368 Digital Voltmeter Module 4.5V-30V DC is a small & lightweight device. It has three terminals; one voltage input for measuring, one supply voltage and one ground. There are total 4 PCB jumpers on the board, J1 is used to set 2 wire or 3 wire mode and J2, J3, J4 are used to adjust the sensitivity or measuring range. The default jumper used is J3 with a 510K resistor.
|Supply Voltage||4.5V to 30V DC|
|Measurement Range||0-30V DC|