Read/Write AT24C32 EEPROM via software I2C.
- The memory chip tested is part of RTC3231, a real time clock module based on DS3231.
- I2C Address: MSB-> 1 0 1 0 A2 A1 A0 R/W <-LSB (R: 1; W: 0)
- Wiring:
-
UNO pin 11 - SCL -
UNO pin 12 - SDA - Memory & Time:
-
UNO - 3124 bytes Flash, 342 bytes RAM. 46051ms write time, 6032ms read time. -
ATtiny13 (No Serial, Compile only, untested) - 544 bytes Flash, 5 bytes RAM.