Waveshare Rev2 1.83-inch rounded-corner IPS LCD module with 240×284 resolution, ST7789P controller, 65K colours, 4-wire SPI interface, GH1.25 8-pin cable connector and onboard 3.3V/5V level compatibility. Intended for Raspberry Pi, Arduino, STM32, ESP32 and Pico projects.
3.3V/5V power input
Ground
SPI MOSI data input
SPI clock input
LCD chip select, active low
Data/command select
LCD reset, active low
Backlight control
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | 1 | Power | 3.3V/5V power input | 3.3V/5V |
| GND | 2 | Ground | Ground | 0V |
| DIN | 3 | SPI | SPI MOSI data input | |
| CLK | 4 | SPI | SPI clock input | |
| CS | 5 | SPI | LCD chip select, active low | |
| DC | 6 | GPIO | Data/command select | |
| RST | 7 | Control | LCD reset, active low | |
| BL | 8 | GPIO | Backlight control |
3.3V/5V power input
Ground
SPI MOSI data input
SPI clock input
LCD chip select, active low
Data/command select
LCD reset, active low
Backlight control
SPI · I2C · 3.3 V · 3.3 – 5 V · Breakout
Adafruit describes product 398 as a 16x2 RGB backlight LCD using digital pins for LCD control and PWM pins for the backlight; the product…
Module pins: VCC, GND, DIN, CLK, CS. Schematik maps them to your board in the app.
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