ST7735

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Common ST7725 Pins (ST7789 Could be Same)

  • All logic pins are 3V3, arduino may not work
  • Power supply can be 5V if has on board LDO
CONN Pins Or Name Functions Arduino ESP32
MUST LEDA LED+ Back light positive 3V3 3V3 3V3
MUST GND GND GND GND GND
MUST Reset RST Reset D8 IO4
MUST RS DC / AO Data/Command select D9 IO2
MUST SDA MOSI Data D11 IO23
MUST SCL CLK Clock D13 IO18
MUST VDD 3V3 Power Analog, check if board has on board LDO 3V3 or 5V 3V3
MUST CS CS Low enable D10 IO15 / IO5
Optional DO MISO Optional or NC D12 -

Common Version

PINs Installation Sizes Supply ESP32
8 FPC Socket-UP 0.96 KJ Not Working
13 FPC Soldering 0.96 KJ
10 FPC Socket-DN 1.77 KJ ?
12 FPC Socket-DN 1.77 KJ ?
14 FPC Soldering 1.44 KJ ?
14 FPC Soldering 1.77 KJ / FPC
8 PCB 1.8 EDS Working
14 FPC Soldering 1.8 QD ?
14 FPC Socket-DN 1.8 ZJY ?

Demo Code