Microcontroller Discuss and explore everything about microcontrollers — Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and more. Share your projects, wiring diagrams, and troubleshooting tips. Whether you’re coding in C++, MicroPython, or CircuitPython, this is the place to learn, experiment, and collaborate with fellow makers on embedded systems and IoT builds.
Electronics A space for discussing circuits, components, and electronic design basics. Share your wiring diagrams, troubleshoot resistors, capacitors, transistors, and sensors, or get advice on power supplies and protection circuits. Whether you’re prototyping with Arduino or designing your own PCB, this is where ideas spark.