Raj I recently designed this tiny breakout board for Microchip’s 24LC512 EEPROM and MCP9802 temperature sensor devices, both of which support I2C protocol. This single board can be used for both sensing the ambient temperature and storing it.
You can view the circuit diagram and get more details on Raj’s Tindie project at EmbeddedLab.
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Hey, nice. I was thinking about something like this but with a uSD card socket on it.