Quick Summary (TL;DR):In 2026, Arduino vs ESP32 is no longer a simple board-versus-board comparison. Arduino is an ecosystem spanning AVR, Renesas, ESP32-S3, STM32H7, Silicon Labs and other processors under a common IDE/API, while ESP32 is a large Espressif chip family…
Raspberry Pi Pico 2 W pinout and Arduino guide: RP2350 GPIOs, ADC, I2C, SPI, UART, PWM, Wi-Fi, Bluetooth 5.2, BOOTSEL, power pins and wireless setup.
Compare STM32CubeIDE vs the Arduino STM32 core for Blue Pill and Black Pill boards: setup, debugging, CubeMX, HAL/LL, libraries, USB, code control and the best workflow.
ESP32-S3 SuperMini pinout guide covering safe GPIOs, strapping pins, native USB, onboard RGB LED, 4MB flash, 2MB QSPI PSRAM, Arduino settings, ESPHome setup and upload recovery.
Seeed XIAO ESP32-C3 pinout and ESPHome guide: D0-D10 GPIO mapping, strapping pins, battery charging, deep sleep, ADC limits, USB serial, Arduino setup and safe GPIO choices.
XIAO ESP32-S3 pinout with D0–D10 GPIO mapping, I2C, SPI, UART, ADC, USB, battery charging, safe pins, deep sleep and upload recovery.
M5Stack PaperMono pinout and Arduino setup, with PaperMono-Lite and PaperS3 differences, display-driver cautions, power control, microSD and troubleshooting.
Fix an ESP32-S3 that is not detected over USB. Covers native USB vs USB-UART, BOOT/RESET recovery, ROM download mode, Arduino USB CDC settings, GPIO19/20 conflicts, drivers, cables and boot loops.
ESP32-S3 N8R8 vs N16R8: both have 8 MB PSRAM; N8R8 has 8 MB flash and N16R8 has 16 MB. Includes correct QIO/OPI Arduino and PlatformIO settings.
