![Amazon.com: ELEGOO MEGA R3 Board ATmega 2560 + USB Cable Compatible with Arduino IDE Projects RoHS Compliant : Electronics Amazon.com: ELEGOO MEGA R3 Board ATmega 2560 + USB Cable Compatible with Arduino IDE Projects RoHS Compliant : Electronics](https://m.media-amazon.com/images/I/51MV2nqct6S._AC_.jpg)
Amazon.com: ELEGOO MEGA R3 Board ATmega 2560 + USB Cable Compatible with Arduino IDE Projects RoHS Compliant : Electronics
![Amazon.com: ELEGOO Nano Board CH 340/ATmega+328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable) : Electronics Amazon.com: ELEGOO Nano Board CH 340/ATmega+328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable) : Electronics](https://m.media-amazon.com/images/I/51hWu1RK+1L._AC_.jpg)
Amazon.com: ELEGOO Nano Board CH 340/ATmega+328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable) : Electronics
![Amazon.com: AITRIP Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Compatible with arduino Leonardo Replace ATmega328 Pro Mini (1 PCS) : Electronics Amazon.com: AITRIP Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Compatible with arduino Leonardo Replace ATmega328 Pro Mini (1 PCS) : Electronics](https://m.media-amazon.com/images/I/61bvO9V75+L._AC_UF894,1000_QL80_.jpg)
Amazon.com: AITRIP Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Compatible with arduino Leonardo Replace ATmega328 Pro Mini (1 PCS) : Electronics
![Amazon.com: DEVMO W5100 Ethernet Network Shield LAN for Ar-duino Expansion Board Module with SD Card Slot Compatible with Ar-duino UNO MEGA2560 UNO R3 ATMega 328 MEGA 1280 : Electronics Amazon.com: DEVMO W5100 Ethernet Network Shield LAN for Ar-duino Expansion Board Module with SD Card Slot Compatible with Ar-duino UNO MEGA2560 UNO R3 ATMega 328 MEGA 1280 : Electronics](https://m.media-amazon.com/images/I/61AJpZmMCSL.jpg)
Amazon.com: DEVMO W5100 Ethernet Network Shield LAN for Ar-duino Expansion Board Module with SD Card Slot Compatible with Ar-duino UNO MEGA2560 UNO R3 ATMega 328 MEGA 1280 : Electronics
![Amazon.com: Velleman VMA100 ATmega 328 UNO Development Board, Multi-Colour : Industrial & Scientific Amazon.com: Velleman VMA100 ATmega 328 UNO Development Board, Multi-Colour : Industrial & Scientific](https://m.media-amazon.com/images/I/41gUbUngEEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Velleman VMA100 ATmega 328 UNO Development Board, Multi-Colour : Industrial & Scientific
![Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/71-LmPoCd9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
![flashtree 10pcs Atmega328P-PU Atmega328p Microcontroller with Uno R3 Bootloader DIP28 : Industrial & Scientific - Amazon.com flashtree 10pcs Atmega328P-PU Atmega328p Microcontroller with Uno R3 Bootloader DIP28 : Industrial & Scientific - Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41l+hlaCh6L._AC_UF894,1000_QL80_.jpg)
flashtree 10pcs Atmega328P-PU Atmega328p Microcontroller with Uno R3 Bootloader DIP28 : Industrial & Scientific - Amazon.com
![Amazon.com: Ximimark AVR ISP Shield Burning Burn Bootloader Programmer for Arduino UNO R3 : Electronics Amazon.com: Ximimark AVR ISP Shield Burning Burn Bootloader Programmer for Arduino UNO R3 : Electronics](https://m.media-amazon.com/images/I/61J4i5OlQWL._AC_UF350,350_QL50_.jpg)