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/253ac0790acbabf7b7e773f2e5c886226fac888b/examples/hd44780_lcd/schematics.png)
Driver for HD44780 LCDs connected directly to GPIO / to I2C by PCF8574-like GPIO expanders (#246)