Digispark - a miniature development board from ATtiny85 (compatible with Arduino)

Versatile development board with the ATmega328P microcontroller, which, thanks to its compatibility with Arduino UNO and variety of functions, is an excellent choice for many projects

Development board based on the R7FA4M1AB3CFM microcontroller and compatible with Arduino UNO R4 Minima. Waveshare R7FA4 PLUS A

DFRobot DFR0355 is a versatile development board that combines GSM, GPRS, and GPS functions into one compact device. With the ATmega32u4 microcontroller and integrated SIM808 module, this board is ideal for applications such as vehicle tracking, remote communication, satellite positioning, and IoT projects. Built-in power-saving features and battery power make it an excellent choice for applications requiring low power consumption and reliable operation in various conditions. DFRobot DFR0355

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 compatible with Arduino Nano. It is based on the ATmega328P microcontroller with 32 KB Flash, 2 KB SRAM and 1 KB EEPROM. It has 12 LEDs, a buzzer and a user button. Cytron Maker Nano

Small evaluation board based on the ATmega328, RoHS

Board compatible with Arduino, equipped with the ATmega32U4 microcontroller

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.

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.

Board with Atmel ATmega328 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

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

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

Development board with SAMD21G18 microcontroller. It offers operating frequency up to 48 MHz, 256kB FLASH memory and 32kB SRAM.

Development board equipped with RP2040 microcontroller, RGB LED diodes, buzzer and Qwiic/STEMMA QT connectors. Pin spacing compatible with Arduino Nano. Cytron MAKER-NANO-RP2040

Module with ATmega4808 microcontroller from AVR family (48 KB Flash, 6 KB SRAM, 256 B EEPROM). The module has 14 I / O lines, 6 PWM channels, 8 analog inputs.

With Maker Uno RP2040, we bring the power of the RP2040 chip into the familiar Uno form factor. We maintain the user-friendly nature and plug-and-play features that have contributed to the popularity of the Arduino platform, while utilizing the advanced capabilities of the RP2040 to enhance its performance. Additionally, this board has been enriched with Maker series features that support the learning process and spark creativity. Cytron MAKER-UNO-RP2040