Amazon.com: Gelek UNO R3 Microcontroller Board Compatible with Arduino Uno R3, ATmega328P and ATmega16U2 with USB Cable, Prototyping Board : Electronics
Amazon.com: HiLetgo ESP-WROOM-32 ESP32 ESP-32D Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE : Electronics
Tiny AVR Programmer - Two ISP headers to use with other AVR microcontrollers - Plugs directly into USB port: Attiny: Amazon.com: Industrial & Scientific
Amazon.com: ARDUINO MEGA 2560 REV3 [A000067] : Electronics
Amazon.com: Arduino UNO SMD REV3 [A000073] : Electronics
Amazon.com: AITRIP 3pcs for Arduino Mini Nano V3.0 ATmega328P 5V 16M Micro Controller Board Module with 3pcs USB Cable Compatible with Arduino IDE : Electronics
Amazon.com: HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small) : Electronics
Amazon.com: KEYESTUDIO Leonardo R3 Microcontroller Development Board with USB Cable Kit for Arduino Project : Electronics
AVR ISP Shield Burning Bootloader Programmer Atmega328P Bootloader Module with Buzzer and LED Indicator for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: ARDUINO MEGA 2560 REV3 [A000067] : Electronics
Amazon.com: Arduino MKR Zero with Headers [ABX00012] : Electronics
AVR ISP Shield Burning Bootloader Programmer Atmega328P Bootloader Module with Buzzer and LED Indicator for Arduino: Amazon.com: Industrial & Scientific