Emscripten compiles C/C++ code to JavaScript, which can be then run in browser. This is at it’s best for graphic applications requiring access to rendering pipeline and need to be opened in browser on any hardware, including Android. https://www.starbreak.com/ gives
PlatformIO is great
Writing portable microcontroller libraries is hard. The first issue that I run into is that it is hard to set up a toolchain and debugger for a specific microcontroller to run builds from the command line. Possible, but takes a
ESP32: 1 MHz clock signal to output pin
code /* Example: Generate 1 MHz clock signal with ESP32, note 24.3.2020/pekka ESP32: LEDC peripheral can be used to generate clock signals between 40 MHz (half of APB clock) and approximately 0.001 Hz. Please check the LEDC chapter in Technical
Configuring micro-controller WiFi with Android phone’s LED flash
Introduction The “Gazerbeam” library enables configuring micro controller’s Wi-Fi network name (SSID) and password (PSK) using a LED flash of Android phone, etc. The phone needs APP to blink configuration information, the example Android Java application named “blinky”. A phototransistor