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chibios_stm32f030f4_dev_lcdiic's Introduction

Using I2C Serial Interface Module For 1602 LCD Display

Hardware requirements:

1. STM32F030F4-DEV V1.0
Device configuration
MCU STM32F030F4P6
HSE 8MHz
USART1 TX - PA2, RX - PA3
I2C1 SCL - PA9, SDA - PA10
LED PA4
2. Serial LCD I2C Module - PCF8574T
  • Pin assignment
PCF8574T 1602 LCD
P0 RS
P1 RW
P2 E
P3 BL
P4 D4
P5 D5
P6 D6
P7 D7
3. Two 1602 LCD displays:
  • Primary display(I2C address: 0x3e) will show:
    1. OS name and version: ChibiOS/RT 4.0.0
    2. System ticks
  • Secondary display(I2C address: 0x3f) will show:
    1. Board name: STM32F030F4-DEV
    2. Unique Device ID (12 bytes)

Software requirements:

  • ChibiOS/RT: Commit ID: af64942

For detail info, please refer:

https://www.brobwind.com/archives/1324

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