WiDo - board with ATmega32U4 and WG13000 WiFi module

Development board equipped with ATSAMD21G18 microcontroller. It has 30 I/O lines, including SERCOM interfaces and 14 analog inputs. Compatible with Arduino. SparkFun DEV-13672

Board with ATmega2560 microcontroller (256 kB Flash, 8 kB RAM, 4 kB EEPROM) clocked at 16 MHz. USB-UART converter based on the ATmega16u2 chip. The user has at his disposal, among others: 54 I/O lines, 14 PWM channels, 16 analog inputs.

Module with ATmega328 microcontroller from the AVR family (32 kB Flash, 2 kB SRAM, 1 kB EEPROM). The module has 14 I/O lines, 6 PWM channels, 8 analog inputs

Pro Micro is similar to Pro Mini Arduino compatible board, main difference is that Pro Micro uses ATmega32u4 with builtin USB connectivity. Sparkfun DEV – 12587

A-Star 328P Micro is a small board based on ATmega 328PB microcontroller (Flash, 32 KB, SRAM, 2.5 KB, EEPROM, 1KB, 8 MHz). The system has a loaded bootloader compatible with Arduino. The board has 24 I / O ports (of which 9 pins can be used for PWM outputs and 8 pins for analog inputs). Supply voltage 3.8-15 V. The board works with 3.3 V voltage. Pololu 3162

Evaluation kit with Sparkfun Artemis Bluetooth 5.0 module designed on the basis of the Feather kit. It has a USB C. The board also has a USB-UART converter, a microphone and a JTAG debugging connector. Artemis has support in the Arduino IDE. SparkFun WRL-15574

The platform is based on the Atmega 32U4 microcontroller with a default Arduino compatible bootloader, 26 O / I ports and a microUSB port. Polol 3145

Board compatible with Arduino, equipped with the ATmega32U4 microcontroller

Development board with ATmega328P microcontroller compatible with Arduino Uno Rev3. Waveshare R3 PLUS

DFRobot (DFR0221)

Compact microcontroller board with an ATmega32U4 chip that integrates with USB to act as a HID device such as a keyboard or mouse. It operates at 5V at 16MHz, offering 20 digital I/O lines, of which 7 support PWM and 12 act as analog inputs.

Microcontroller board based on the ATmega328P

Development kit with SAMD21G18A microcontroller with ARM Cortex M0+ core and LoRa RFM95W radio communication module. SparkFun WRL-15836

Development board with ATmega328P microcontroller equipped with 14 I/O lines, 6 PWM channels, 6 analog inputs and FT231X chip. Compatible with Arduino UNO Rev3. Cytron CT-SE

Board with Atmel ATmega328P microcontroller from the AVR family, there are 14 I / O lines, 6 PWM channels and 6 analog inputs. The additional ATmega16U4 microcontroller realizes communication via the USB interface

Beetle is a extremely the smallest Arduino leonardo board with Atmel AtMega32u4. 16MHz clock time and has expanded amounts of interfaces: 10 digital pins, 5 analog pins and 4 pwn pins. DFR0282