// i2c and u8g library for 1306 oled display #include #include "U8glib.h" #define R_LOW 100 // 100k or 10k resistor, 1%, smd1206, 1/10 watt #define R_HIGH 5000 // 5M or 500k resistor, 1%, smd1206, 1/10 watt #define AREF 1.1 // Aref pin voltage #define...