High I/O Arduino. ATmega2560, 54 digital pins, 16 analog, 4 UARTs.
Ultra-compact ATmega328P board. Available in 3.3V/8MHz and 5V/16MHz variants.
High-pin AVR MCU, heart of Arduino Mega. 256KB flash, 54 digital I/O, 4 UARTs.
Full Linux SBC. 40-pin GPIO, quad-core 1.5GHz, 2/4/8GB RAM.
RP2040 dual-core ARM Cortex-M0+ board. 26 GPIO, 133MHz, MicroPython ready.
Blue Pill STM32 board. ARM Cortex-M3 at 72MHz, 37 GPIO, USB, CAN.
Minimal 8-pin AVR MCU. 8KB flash, 6 I/O pins, perfect for tiny projects.
8-pin AVR MCU with 4KB flash. Pin-compatible with ATtiny85.
Popular 8-bit PIC MCU. 33 I/O pins, 8-ch ADC, UART, SPI, I2C, 40-pin DIP.
Classic beginner Arduino board. ATmega328P, 14 digital I/O, 6 analog inputs.
Compact breadboard-friendly Arduino. ATmega328P, same power as UNO in smaller form.
The classic beginner-friendly development board, built around ATmega328P.
40-pin GPIO header on a full Linux-capable single board computer.
Low-cost Wi-Fi microcontroller. Predecessor to ESP32, popular for IoT.
Dual-core Wi-Fi & Bluetooth SoC by Espressif. 240MHz Xtensa LX6.
8-bit AVR RISC microcontroller. The chip inside the Arduino UNO.