I2C communication does not work.
Posted: Wed Mar 13, 2024 11:48 pm
MCU : STM32F103C8T6
[CORE]
- CORE : https://github.com/rogerclarkmelbourne/Arduino_STM32
- BOOT : https://github.com/rogerclarkmelbourne/ ... bootloader
- FILE : generic_boot20_pc13
[SOFTWARE-I2C]
https://github.com/rogerclarkmelbourne/ ... ftwire.ino
[HARDWARE-I2C]
https://github.com/rogerclarkmelbourne/ ... r_wire.ino
[CIRCUIT]
5V(BOARD) ------ CM1107 5V
GND(BOARD) ------ CM1107 GND
PB8(BOARD) ----- CM1107 SCL
PB9(BORAD) ----- CM1107 SDA
GND ---- CM1107 R/T(I2C MODE)
CM1107 DATASHEET : https://en.gassensor.com.cn/Product_fil ... cation.pdf
I2C communication does not work.
Why? help me.
[CORE]
- CORE : https://github.com/rogerclarkmelbourne/Arduino_STM32
- BOOT : https://github.com/rogerclarkmelbourne/ ... bootloader
- FILE : generic_boot20_pc13
[SOFTWARE-I2C]
https://github.com/rogerclarkmelbourne/ ... ftwire.ino
[HARDWARE-I2C]
https://github.com/rogerclarkmelbourne/ ... r_wire.ino
[CIRCUIT]
5V(BOARD) ------ CM1107 5V
GND(BOARD) ------ CM1107 GND
PB8(BOARD) ----- CM1107 SCL
PB9(BORAD) ----- CM1107 SDA
GND ---- CM1107 R/T(I2C MODE)
CM1107 DATASHEET : https://en.gassensor.com.cn/Product_fil ... cation.pdf
I2C communication does not work.
Why? help me.