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OPPC 1540HT-J1900/1940HT-J1900 User Manual
Chapter 2: Jumpers and Connectors
Power Button
Connector type: 1x2 2-pin header JST, 2.0mm pitch
Connector location: J1
Pin
Definition
1
PWRBT
2
GND
1
2
Backlight Control Input Connector
Connector type: 1x4 4-pin header JST, 2.0mm pitch
Connector location: J8
Pin
Definition
1
GND
2
Tact Switch input
3
PIR IN
4
VCC3
1
4