Driver for HD44780 LCDs connected directly to GPIO / to I2C by PCF8574-like GPIO expanders (#246)
30 KiB
1114x951px
30 KiB
1114x951px
![](/j3d1/esp-open-rtos/raw/commit/3c050bc4d12ae742ff54ef114a7827bc462a3280/examples/hd44780_lcd/schematics.png)
Driver for HD44780 LCDs connected directly to GPIO / to I2C by PCF8574-like GPIO expanders (#246)