Several circuit examples supporting the LCD displays (HITACHI HD44780 modules: 1) LCD1602A, v3, 2) LCD1602A, v3, with the PCF8574A chip providing I2C input and 3) LCD2004A, v1.3, with the PCF8574A chip providing I2C input) and OLED displays (JMD 0.91A and JMD 0.96A-2). Projects require SDCC to compile.
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Updated
Aug 1, 2025 - C