1.8inch TFT screen 128 * 160 RGB；
3.3V power supply；
default background light；
4-line SPI control；
size：56mm * 34mm
shopping link：https://item.taobao.com/item.htm?ft=t&id=695873747300
video link：https://www.bilibili.com/video/BV11P4y1q7pL
| 引脚 | 描述 |
|---|---|
| 1. GND | Ground |
| 2. VCC | 3.3V power supply |
| 3. SCK | SPI_SCK |
| 4. SDA | SPI_MOSI |
| 5. RST | reset |
| 6. A0（D/CX） | data/command (connect to ST7735s D/CX pin) |
| 7. CS | SPI_NSS |
| folder | description |
|---|---|
| code | driver demo by multi MCUs |
| picture | PCB 3D, Physical Map |
| datasheet | ST7735 datasheet |
| assembly diagram | hardware size、3D model (.step) |
Any 5 IOs connect to the TFT module.
Select pins connected to MCU's inner hardware SPI.
Step1: add lcd_st7735s.c、lcd_st7735s.h、font.h、hz_16x16.h（Chinese font）、hz_32x32.h（Chinese font) to your project.
Step2: simply revise the definition to adapt your MCU.
Example 1：MCU=GD32F103C8T6。
PIN connection
PB11 <---------> SCK
PB12 <---------> SDA
PB13 <---------> RST
PB14 <---------> A0
PB15 <---------> CS
Definition：
#define LCD_RCU RCU_GPIOB
#define LCD_PORT GPIOB
#define LCD_PIN_SCK GPIO_PIN_11
#define LCD_PIN_SDA GPIO_PIN_12
#define LCD_PIN_RES GPIO_PIN_13
#define LCD_PIN_A0 GPIO_PIN_14
#define LCD_PIN_CS GPIO_PIN_15
#define SET_LCD_CS gpio_bit_set(LCD_PORT, LCD_PIN_CS)
#define SET_LCD_RES gpio_bit_set(LCD_PORT, LCD_PIN_RES)
#define SET_LCD_A0 gpio_bit_set(LCD_PORT, LCD_PIN_A0)
#define SET_LCD_SDA gpio_bit_set(LCD_PORT, LCD_PIN_SDA)
#define SET_LCD_SCK gpio_bit_set(LCD_PORT, LCD_PIN_SCK)
#define CLR_LCD_CS gpio_bit_reset(LCD_PORT, LCD_PIN_CS)
#define CLR_LCD_RES gpio_bit_reset(LCD_PORT, LCD_PIN_RES)
#define CLR_LCD_A0 gpio_bit_reset(LCD_PORT, LCD_PIN_A0)
#define CLR_LCD_SDA gpio_bit_reset(LCD_PORT, LCD_PIN_SDA)
#define CLR_LCD_SCK gpio_bit_reset(LCD_PORT, LCD_PIN_SCK)Example 2：MCU=STM32F103VCT6
PIN connection
PE9 <---------> SCK
PE12 <---------> SDA
PE8 <---------> RST
PE10 <---------> A0
PE11 <---------> CS
Definition：
#define LCD_PORT GPIOE
#define LCD_PIN_CS GPIO_Pin_11
#define LCD_PIN_RES GPIO_Pin_8
#define LCD_PIN_A0 GPIO_Pin_10
#define LCD_PIN_SDA GPIO_Pin_12
#define LCD_PIN_SCL GPIO_Pin_9
#define SET_LCD_CS GPIO_SetBits(LCD_PORT, LCD_PIN_CS)
#define SET_LCD_RES GPIO_SetBits(LCD_PORT, LCD_PIN_RES)
#define SET_LCD_A0 GPIO_SetBits(LCD_PORT, LCD_PIN_A0)
#define SET_LCD_SDA GPIO_SetBits(LCD_PORT, LCD_PIN_SDA)
#define SET_LCD_SCL GPIO_SetBits(LCD_PORT, LCD_PIN_SCL)
#define CLR_LCD_CS GPIO_ResetBits(LCD_PORT, LCD_PIN_CS)
#define CLR_LCD_RES GPIO_ResetBits(LCD_PORT, LCD_PIN_RES)
#define CLR_LCD_A0 GPIO_ResetBits(LCD_PORT, LCD_PIN_A0)
#define CLR_LCD_SDA GPIO_ResetBits(LCD_PORT, LCD_PIN_SDA)
#define CLR_LCD_SCL GPIO_ResetBits(LCD_PORT, LCD_PIN_SCL)/code : with multi MCU driver source code and head file
/code/font : with font source file and head file
Supported MCU:
GD32F103/GD32F303/GD32E230/GD32L233/GD32E103/GD32F130
STM32F103
HC32L130/HC32L136