![Amazon.com: DWEII 2PCS for Nano V3.0 ATMEGA328P Module CH340C Chip 5V 16MHz Mini USB Micro-Controller Board with 2PCS Mini USB Cable Compatible with Arduino : Electronics Amazon.com: DWEII 2PCS for Nano V3.0 ATMEGA328P Module CH340C Chip 5V 16MHz Mini USB Micro-Controller Board with 2PCS Mini USB Cable Compatible with Arduino : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71j-kNqH5lL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DWEII 2PCS for Nano V3.0 ATMEGA328P Module CH340C Chip 5V 16MHz Mini USB Micro-Controller Board with 2PCS Mini USB Cable Compatible with Arduino : Electronics
![Glarks 60Pcs 10-Values Quartz Crystal Oscillator Resonators Assortment Kit 4MHz, 4.096MHz, 6MHz, 8MHz, 10MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz: Amazon.com: Industrial & Scientific Glarks 60Pcs 10-Values Quartz Crystal Oscillator Resonators Assortment Kit 4MHz, 4.096MHz, 6MHz, 8MHz, 10MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/619twhRydnL.jpg)
Glarks 60Pcs 10-Values Quartz Crystal Oscillator Resonators Assortment Kit 4MHz, 4.096MHz, 6MHz, 8MHz, 10MHz, 11.0592MHz, 12MHz, 16MHz, 20MHz, 24MHz: Amazon.com: Industrial & Scientific
![Amazon.com: Pro Micro ATmega32U4 5V 16MHz USB Type C Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini… : Electronics Amazon.com: Pro Micro ATmega32U4 5V 16MHz USB Type C Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini… : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51jZROo7mVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pro Micro ATmega32U4 5V 16MHz USB Type C Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini… : Electronics
![Amazon.com: HiLetgo 3pcs Pro Mini Atmega328P 5V/16MHz Development Board Compatible with Arduino pro Mini : Electronics Amazon.com: HiLetgo 3pcs Pro Mini Atmega328P 5V/16MHz Development Board Compatible with Arduino pro Mini : Electronics](https://m.media-amazon.com/images/I/61kQpm8gZAL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HiLetgo 3pcs Pro Mini Atmega328P 5V/16MHz Development Board Compatible with Arduino pro Mini : Electronics
![Amazon.com: RedTagCanada Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Board Microcontroller Compatible to Arduino Pro Micro Serial Connection wPin Header (1, Pro Micro ATmega32U4 Micro-USB) : Electronics Amazon.com: RedTagCanada Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Board Microcontroller Compatible to Arduino Pro Micro Serial Connection wPin Header (1, Pro Micro ATmega32U4 Micro-USB) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51nfQmuS0xL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RedTagCanada Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Board Microcontroller Compatible to Arduino Pro Micro Serial Connection wPin Header (1, Pro Micro ATmega32U4 Micro-USB) : Electronics
![uxcell Ceramic Resonator Crystal Oscillator 16MHz 3 Pin DIP, Yellow 5 Pieces: Amazon.com: Industrial & Scientific uxcell Ceramic Resonator Crystal Oscillator 16MHz 3 Pin DIP, Yellow 5 Pieces: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/518RCTB23fL._AC_UF1000,1000_QL80_.jpg)
uxcell Ceramic Resonator Crystal Oscillator 16MHz 3 Pin DIP, Yellow 5 Pieces: Amazon.com: Industrial & Scientific
![Amazon.com: Diitao Pro Micro 5V 16MHz Atmega32U4 Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Pro Micro Serial Connection with 2-Row Pins Header 2PACK : Electronics Amazon.com: Diitao Pro Micro 5V 16MHz Atmega32U4 Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Pro Micro Serial Connection with 2-Row Pins Header 2PACK : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71itZr+zBML._AC_UF894,1000_QL80_.jpg)
Amazon.com: Diitao Pro Micro 5V 16MHz Atmega32U4 Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Pro Micro Serial Connection with 2-Row Pins Header 2PACK : Electronics
![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: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : Electronics](https://m.media-amazon.com/images/I/71VWjSXd6YL.jpg)
Amazon.com: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : Electronics
![HiLetgo 3pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller HiLetgo 3pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller](https://m.media-amazon.com/images/I/71e9+R+zjkL._AC_UF894,1000_QL80_.jpg)
HiLetgo 3pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller
![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 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](https://m.media-amazon.com/images/I/61tOzu1GSJL._AC_UF894,1000_QL80_.jpg)
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
![Raogoodcx 200PCS 10Value Crystal Oscillator Resonators Assortment Kit 4 MHz, 6 MHz, 6.5536MHz,8 MHz, 10 MHz, 12 MHz, 16 MHz, 20 MHz, 24 MHz, 27.145 MHz: Amazon.com: Industrial & Scientific Raogoodcx 200PCS 10Value Crystal Oscillator Resonators Assortment Kit 4 MHz, 6 MHz, 6.5536MHz,8 MHz, 10 MHz, 12 MHz, 16 MHz, 20 MHz, 24 MHz, 27.145 MHz: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/713rLFjmrKL._AC_UF1000,1000_QL80_.jpg)
Raogoodcx 200PCS 10Value Crystal Oscillator Resonators Assortment Kit 4 MHz, 6 MHz, 6.5536MHz,8 MHz, 10 MHz, 12 MHz, 16 MHz, 20 MHz, 24 MHz, 27.145 MHz: Amazon.com: Industrial & Scientific
![Amazon.com: AITRIP 5 Pack PRO Mini Atmega328P-AU 5V/16MHz Development Board Microcontroller Bootloadered with Pin Headers for Arduino (5pcs) : Electronics Amazon.com: AITRIP 5 Pack PRO Mini Atmega328P-AU 5V/16MHz Development Board Microcontroller Bootloadered with Pin Headers for Arduino (5pcs) : Electronics](https://m.media-amazon.com/images/I/51RlfMwE44L._AC_.jpg)
Amazon.com: AITRIP 5 Pack PRO Mini Atmega328P-AU 5V/16MHz Development Board Microcontroller Bootloadered with Pin Headers for Arduino (5pcs) : Electronics
![Amazon.com: Dorhea Pro Mini 168 Mini ATMEGA168 5V/16MHz Electronics Development Module Compatible with Nano Microcontrol Micro Control Board : Electronics Amazon.com: Dorhea Pro Mini 168 Mini ATMEGA168 5V/16MHz Electronics Development Module Compatible with Nano Microcontrol Micro Control Board : Electronics](https://m.media-amazon.com/images/I/81YkopzplxL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Dorhea Pro Mini 168 Mini ATMEGA168 5V/16MHz Electronics Development Module Compatible with Nano Microcontrol Micro Control Board : Electronics
![Amazon.com: Teyleten Robot Pro Micro Atmega32U4 5V 16MHz Module Board Micro USB Pro Micro Development Board Microcontroller 3pcs : Electronics Amazon.com: Teyleten Robot Pro Micro Atmega32U4 5V 16MHz Module Board Micro USB Pro Micro Development Board Microcontroller 3pcs : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61QY+vZBNJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Teyleten Robot Pro Micro Atmega32U4 5V 16MHz Module Board Micro USB Pro Micro Development Board Microcontroller 3pcs : Electronics
![ACEIRMC Pro Micro for Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller ACEIRMC Pro Micro for Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller](https://m.media-amazon.com/images/I/51sW3DUAjoL._AC_.jpg)
ACEIRMC Pro Micro for Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller
![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: diymore Pro Micro 16MHz 5V with 2-Row Pins Header Module Board with ATmega32U4 : Electronics Amazon.com: diymore Pro Micro 16MHz 5V with 2-Row Pins Header Module Board with ATmega32U4 : Electronics](https://m.media-amazon.com/images/I/61nYevMgQxL._AC_UF894,1000_QL80_.jpg)
Amazon.com: diymore Pro Micro 16MHz 5V with 2-Row Pins Header Module Board with ATmega32U4 : Electronics
![Amazon.com: BIT-C Pro Micro MCU with USB-C & DFU bootloader (ATmega32U4, 5V/ 16MHz) (Black) : Electronics Amazon.com: BIT-C Pro Micro MCU with USB-C & DFU bootloader (ATmega32U4, 5V/ 16MHz) (Black) : Electronics](https://m.media-amazon.com/images/I/51xd7MRCR3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: BIT-C Pro Micro MCU with USB-C & DFU bootloader (ATmega32U4, 5V/ 16MHz) (Black) : Electronics
![Amazon.com: Phoncoo 30pcs 16MHZ 5x3.2mm 5032 2Pin SMD Crystal Oscillator 16M 16.000mhz : Industrial & Scientific Amazon.com: Phoncoo 30pcs 16MHZ 5x3.2mm 5032 2Pin SMD Crystal Oscillator 16M 16.000mhz : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/31E5Hkk33EL._AC_UF894,1000_QL80_.jpg)