ATmega328 equivalent board - compatible with Arduino Uno R3

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

Board compatible with Arduino, equipped with the ATmega32U4 microcontroller

Board compatible with Arduino, based on ATmega328P. Equipped with an area with prototype holes, a breadboard, 12 LEDs, a button and a buzzer. Cytron MAKER-UNO-X

Development board based on the R7FA4M1AB3CFM microcontroller and compatible with Arduino UNO R4 WiFi. It is equipped with ESP32-S3FN8 with a dual-core 32-bit Xtensa LX7 core and wireless communication in the 2.4GHz WiFi band and Bluetooth LE. Waveshare R7FA4 PLUS B

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

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

Small evaluation board based on the ATmega328, RoHS

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

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 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

The board is equipped with ATSAMD21 microcontroller with ARM Cortex-M0 core. It has connectors and dimensions compatible with the Arduino Uno Rev3. HW-819

A compact board similar to Seeeduino V4.2/Arduino UNO and fully compatible with Arduino Nano. It uses a USB Type C connector and a Grove I2C connector. Seeed Studio 102010268

Development board with NXP iMX RT1011 processor with ARM Cortex M7 core equipped with AirLift WiFi module. It has Arduino UNO compatible connectors and a STEMMA QT connector for I2C devices. Adafruit 4950

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

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.

A miniature development board with ATtiny85 microcontroller, on which 6 I / O pins were derived. The module is supported by Arduino IDE. modATT85