Inside are some things you’d expect, like a SIM800 GSM module for the telephony part, and an ESP32 to count the pulses from the dialer and communicate between it and the GSM module. But it also ...

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 ...

A new component has arrived at the extensive Adafruit online electronics store this week in the form of the ESP32-WROVER-B Module ESP32 with PSRAM Module which is now available to purchase priced ...

Specifications of the ESP32-S2 WROOM Module include: – ESP32-S2 embedded, Xtensa single-core 32-bit – LX7 microprocessor, up to 240 MHz – 128 KB ROM – 320 KB SRAM – 16 KB SRAM in RTC.