12-digits LED display decoder driver Low cost 3 ½-digits voltmeter with 5x4 differential input and RMS

The BH7107C is low cost voltmeter built around ICL7107 circuit. The BH7107C has two channels "A" and "B". Each channel has four differential inputs with programmable amplifier. On the board is RMS decoder with two inputs and filter.

Digital output signals are available on the edge connector ready for customized display board or MCU board. The pinout connector is compatible with BH6887A MPU board.

BH7107C components layout

The prited Circuit Board has size 3.1" x 3.9" (80 x 100 mm).

BH7107C board PCB