Posted in gps hacks, Microcontrollers Tagged ESP32, gps tracker, GSM module, open hardware. Old Rotary Phone Gets Called Into Action. February 4, 2020 by Kristina Panos 19 Comments ...

The chip is a Unisoc UMS9117 but earlier models used a Unisoc TIGER T117, which is is a single core for both the GSM module and OS. Curious which chipsets could do that on a single core today. not ...

There are already many cheap ESP32 drones on AliExpress, or you can even make an ESP32 DIY drone for about $12, but ...