test-point-dat
- small batch production can use multimeter to do the test
add points like
test rig v2
0.8mm diameter pin
test rig
common test point
power supply
for power supply - power-dat
- VBUS
- 3V3
- GND
epaper
- 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
