Power Supply LCD

by sjm.
Top
Bottom

2 layer board of 1.73x1.03 inches (43.92x26.11 mm).
Shared on June 8th, 2016 22:41.

PIC16F88 micro-controller driving an old Optrex 16x2 LCD to display 3 voltages and 2 currents. Currents are measured using MAX4172 high side sensors and negative LCD contrast voltage is generated with a PWM based charge-pump.

Order board. Download. Permalink. Embed order link.

Copy this HTML into your page to embed a link to order this shared project