HiLetgo 3pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Compatible to Arduino Pro Micro Serial Connection with Pin Header
Amazon.com: HiLetgo 3pcs Pro Mini ATmega328P 3.3V 8M Module Board with Crystal Oscillator Compatible Arduino Pro Mini Replace ATmega128 : Electronics
Amazon.com: SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - Compatible with Arduino development board 5V/16MHz microcontroller AP2112 3.3V Voltage Regulator Castellated PTH pin pads Reset button Maximum 6V input : Electronics
Arduino Nano [A000005]
Arduino Nano [A000005]
AITRIP for Arduino Nano V3.0, Nano Board CH340/ATmega328P with USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 With1 Cable)
Mini Nano V3.0 ATmega328P Microcontroller Board w/USB Cable for Arduino
Amazon.com: Pro Mini Atmega168 Mini ATMEGA168 Crystal Oscillator Board Module 16M 5V for Arduino Nano Replace Atmega328 : Electronics
Amazon.com: Arduino Pro Mini 328 - 3.3V/8MHz : Electronics
Amazon.com: Arduino Nano Every (Single Board) [ABX00028] : Electronics
ACEIRMC Pro Micro for Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller
Amazon.com: ELEGOO Nano Board CH 340/ATmega+328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable) : Electronics
SparkFun Pro Mini ATmega328-5V/16MHz Development Board Compatible with Arduino Boards and IDE
MakerFocus Mini Nano V3.0 ATmega328P Microcontroller Board w/USB Cable For Ar duino
Amazon.com: Arduino Nano 33 BLE [ABX00030] : Electronics
Amazon.com: Arduino Nano Every with Headers [ABX00033] : Electronics
AITRIP 10PCS for Nano V3.0 ATmega328P Nano Board CH340 5V 16M Microcontroller Board, Compatible with
Amazon.com: KNACRO I/O Expansion Sensor Shield Module for Arduino UNO R3 Nano V3.0/Nano Pro : Electronics
SparkFun Pro Mini ATmega328-3.3V/8MHz Development Board Compatible with Arduino Boards and IDE
Amazon.com: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : 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
SNCT Nano Board ATmega328P CH340 Compatible with Arduino Nano V3.0 Without USB Cable (3 Pack)