Basic digital temperature and humidity sensor. Single-wire, 0-50C range.
Popular 8-bit PIC MCU. 33 I/O pins, 8-ch ADC, UART, SPI, I2C, 40-pin DIP.
8-pin AVR MCU with 4KB flash. Pin-compatible with ATtiny85.
Minimal 8-pin AVR MCU. 8KB flash, 6 I/O pins, perfect for tiny projects.
Blue Pill STM32 board. ARM Cortex-M3 at 72MHz, 37 GPIO, USB, CAN.
RP2040 dual-core ARM Cortex-M0+ board. 26 GPIO, 133MHz, MicroPython ready.
Full Linux SBC. 40-pin GPIO, quad-core 1.5GHz, 2/4/8GB RAM.
High-pin AVR MCU, heart of Arduino Mega. 256KB flash, 54 digital I/O, 4 UARTs.
Ultra-compact ATmega328P board. Available in 3.3V/8MHz and 5V/16MHz variants.
High I/O Arduino. ATmega2560, 54 digital pins, 16 analog, 4 UARTs.