test-point-dat

  • small batch production can use multimeter to do the test

add points like

press test rig V3

test rig v2

0.8mm diameter pin

test rig

common test point

power supply

for power supply - power-dat

  • VBUS
  • 3V3
  • GND

epaper

epaper-dat

  • GDR
  • RESET
  • VCOM
  • PREVGL
  • PREVGH

  • VCOM: Usually between -2V and -3V (sometimes adjustable, check your module’s datasheet).

  • PREVGL: Negative voltage, often around -15V to -20V.
  • PREVGH: Positive voltage, often around +15V to +20V.

VOM

PRE-VGL == -20V

PRE-VGH == 20V

custom rig

ref