A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.
This project implements a Bluetooth Low Energy (BLE) Serial Port Profile (SPP) bridge for the ESP32-S3. It allows you to connect to the ESP32-S3 over BLE and exchange serial data with a USB-Serial ...
The device likely runs on FreeRTOS – string references to FreeRTOS appear throughout the firmware, and an IoT CA certificate was found. FreeRTOS is a lightweight real-time operating system designed ...