Hands-On RTOS with Microcontrollers: Create high-performance, real-time embedded systems using FreeRTOS, STM32 MCUs, and SEGGER debug tools

Seeed Studio XIAO RP2040 Microcontroller, with Dual-Core ARM Cortex M0+ Processor, Supports Arduino, MicroPython and CircuitPython with Rich Interfaces.

HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE

DWEII 3PCS RP2040-Zero RP2040 USB-C Connector Compatible with Raspberry Pi Microcontroller PICO Development Board Module Dual-core Cortex M0+ Processor 2MB Flash Support C/C++,MicroPython

waveshare RP2040-One Microcontroller Development Board Type-A 4MB Flash Pico-Like MCU Board Based on Raspberry Pi RP2040,PCB USB-A Port,Support C/C++,MicroPython

Arduino® UNO™ Q 2GB[ABX00162] - Hybrid Board, Qualcomm Dragonwing QRB2210 microprocessor (MPU) & STM32U585 Microcontroller(MCU), AI Vision, Voice, IoT, Robotics, Linux Debian OS, Wi-Fi 5, USB-C

Microcontroller Projects for Amateur Radio

DWEII 3PCS RP2040-Zero RP2040 USB-C Connector Compatible with Raspberry Pi Microcontroller PICO Development Board Module Dual-core Cortex M0+ Processor 2MB Flash Support C/C++,MicroPython

Arduino Nano [A000005] - Compact ATmega328P Microcontroller with 22 Digital I/O Pins, 8 Analog Inputs, USB Connectivity, and Arduino IDE Compatibility for Prototyping and DIY Projects

1x Nano Module CH340 5V/16M USB-C Micro-Controller Board for Arduino Nano V3.0