Step-by-step guides

Each guide starts from nothing and ends with your C# running on the board. Pick yours:

You have	Guide	Time
just a PC	Try MicroCS on the PC — compiler, REPL, simulated GPIO / I²C / SPI / OLED	5 min
an ESP32, S2, S3, C2, C3, C6, H2 or P4	ESP32 from zero — release firmware in one command, or your own ESP-IDF build	10–30 min
an ESP32-C3 (or any ESP32) with an OLED	ESP32-C3 + OLED with U8g2 — turn U8g2 on, pick display and fonts, draw	30 min
a Raspberry Pi Pico / Pico 2 / RP2040 board	Raspberry Pi Pico — drag-and-drop UF2, or build with the pico-sdk	5–20 min
an STM32 Nucleo, Black Pill or your own STM32 board	STM32 — ready firmware, or MicroCS inside a CubeMX project	5–45 min
an Arduino-compatible board (ESP32, RP2040, nRF52840, SAMD51, Teensy…)	Arduino IDE / PlatformIO	15 min
an nRF52/53, NXP, STM32… board with Zephyr	Zephyr	30 min

After the first program:

• Hardware API — every C# peripheral class (GPIO, I2C, SPI, UART, PWM…).
• Peripheral settings — pins, pulls, drive strength, filters, board options, step by step.
• DMA — send display frames and read sensors in the background.
• MicroCS Studio — the browser IDE: editor, files and REPL over USB.
• Examples — blink, buttons, sensors, displays, data loggers.
• The C# subset — what MicroCS supports from C#.

Something does not work? Every guide ends with a Troubleshooting section; if that does not help, open an issue with the board, the build commands and what the console printed.