GDM2004D-NSW-BTS-0A-3.3V lcd equivalent, lcd.
1. 5x8 dots with cursor 2. 20x4 characters 3. STN(Blue), Negative, Transmissive 4. 1/16 duty cycle 5. Viewing direction: 12:00 o’clock 6. Built-in controller (ST7066U-0A .
Pin no. Symbol
External connection
1 VSS
2 VDD Power supply
3 V0
4 RS
MPU
5 R/W
MPU
6E
MPU
7~10 DB0~DB3
MPU
11~14
15 16
DB4~DB7
A(LED+) K(LED-)
MPU
LED BKL power Supply
Function
Signal ground for LCM (GND)
Power supply for logic (+3.3.
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