Category Archives: SIM800

New Part Day: The $15 ESP32 With Cellular

Cruise around AliExpress for long enough and you’ll find some interesting new hardware. The latest is the TTGO T-Call, an ESP32 breakout board that also has a cellular modem. Yes, it’s only a 2G modem, but that still works in a lot of places, and the whole thing is $15. …read more

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Posted in 2g, ESP32, Microcontrollers, SIM800, SIM800L, wireless hacks | Leave a comment