Development board compatible with Arduino. It has a built-in ATmega328P microcontroller and a Bluetooth BLE module (TI CC2540). DFRobot DFR0296

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

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

The board is equipped with ATSAMD51 microcontroller with ARM Cortex-M4 core and SPI Flash memory, communication interfaces and RGB diode. Adafruit 3382

Adafruit 1500

DFRduino Nano V4.0 is a base plate compatible with Arduino Nano. The board has an ATmega 328-20AU microcontroller. The user has 14 GPIO ports (inputs / outputs), of which 6 can generate PWM signal. DFRobot DFR0010

At the Feather M0\'s heart is an ATSAMD21G18 ARM Cortex M0 processor, clocked at 48 MHz and at 3.3V logic, the same one used in the new Arduino Zero. This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and 32K of RAM (16x as much)! This chip comes with built in USB so it has USB-to-Serial program & debug capability built in with no need for an FTDI-like chip. Adafruit 3179

Bluno - BLE with Arduino Uno

Plate from the Adafruit Feather series equipped with an ATmega32u4 microcontroller and a small prototype surface (5x7). The chip contains 32KB flash memory, 2KB RAM memory and built-in USB support. The plate is compatible with Arduino. Adafruit 2771

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

All-in-one microcontroller especially designed for robotics application. Benefit from Arduino open source platform, it is supported by thousands of open source codes, and can be easily expanded with most Arduino Shields. The integrated 2 way DC motor driver and wireless socket gives a much easier way to start your robotic project. DFR0004

The Fio v3 is a new spin on the Arduino Fio hardware powered by the ATmega32U4. Not only is it small and LiPo-ready, it’s a very capable XBee-ready development board. DEV-11520

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

Tiny (18 x 44 mm) breadboard-friendly development board, easy to use, hacker friendly. ATmega328 brains32KB of flash (1/2 K is reserved for the bootloader), 2KB of RAM, clocked at 16MHz. Adafruit 2590

Beetle BLE is another milestone in wearable electronics device area based Arduino Uno, which makes DIY users have more options in the project design. It is fully compatible with Bluno in instructions and procedures, supporting Bluetooth HID and ibeacon modes. And it not only supports USB programming, but also wireless programming method. DFR0339

IoT module with ATmega328P and BLE4.1 microcontroller. Compatible with the Bluno series, it can be programmed in the Arduino IDE. DFRobot DFR0492

Microcontroller board based on Leaf Maple, STM32F103RB, USB, RoHS

Board with the ATmega328 microcontroller from the AVR family, there are 20 I/O lines, 6 PWM channels, 6 analog inputs at the user\'s disposal. SparkFun DEV-15123

Development kit with ATSAMD21E microcontroller with ARM Cortex M0+ core. The chip can be clocked at 48 MHz, has a built-in 256 KB of Flash memory and 32 KB of SRAM. The module has a Qwiic connector. SparkFun DEV-15423

Evaluation kit with Bluetooth 5.0 Sparkfun Artemis module. Equipped with a microphone, kmaers and accelerometer. Himax HM01B0 camera included. SparkFun KIT-17071