Hardware Matrix

GPS & Real-Time Clocks for Home Assistant & ESPHome

3 documented pairings that cover this job, compared across protocols — setup complexity, wiring notes and what each exposes once paired.

3 devices 1 with an ESPHome config

3 shown

Interface Platform
DS1307 Real-Time Clock Module Maxim Integrated I2C Bus / 5V Native Arduino Ecosystem Plug-and-Play Manual config
DS3231 High Precision Real-Time Clock Maxim Integrated I2C Bus / 3.3V Arduino Ecosystem Plug-and-Play Manual config
GY-GPS6MV2 Neo-6M GPS Receiver u-blox UART Serial / 3.3V Home Assistant (ESPHome) Intermediate ESPHome ↗ Manual config

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