Upgrading an old thermostat to a smart system featuring an HTTP server on a Raspberry Pi and a mesh network of ESP32 thermometers.
Setting up hardware timer interrupts and foreground scheduling on the STM32F407ZGT6 RT-Spark board.
True preemptive multitasking on a bare ESP8266 — no RTOS — using one hardware timer and a well-written Xtensa context switch.
