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  • Funduino ESP32 development board - WROOM-32, Wi-Fi, Bluetooth, CP2102

    Funduino ESP32 development board - WROOM-32, Wi-Fi, Bluetooth, CP2102

    Funduino ESP32 development board - WROOM-32, Wi-Fi, Bluetooth, CP2102
    9,07 €

    Ready to ship

  • Funduino UNO R3 microcontroller - ATmega328P, 16 MHz, for Arduino

    Funduino UNO R3 microcontroller - ATmega328P, 16 MHz, for Arduino

    Funduino UNO R3 microcontroller - ATmega328P, 16 MHz, for Arduino
    13,90 €

    Ready to ship

  • Funduino Nano R3 microcontroller - ATmega328, FTDI FT232RL, Mini-USB

    Funduino Nano R3 microcontroller - ATmega328, FTDI FT232RL, Mini-USB

    Funduino Nano R3 microcontroller - ATmega328, FTDI FT232RL, Mini-USB
    7,61 €

    Ready to ship

  • ESP32 Shield / ESP32 DevKitC /for WROOM-32D/32U WROVER

    ESP32 Shield / ESP32 DevKitC /for WROOM-32D/32U WROVER

    ESP32 Shield / ESP32 DevKitC /for WROOM-32D/32U WROVER
    3,40 €

    Ready to ship

  • Funduino MEGA 2560 R3 microcontroller - 54 I/O pins

    Funduino MEGA 2560 R3 microcontroller - 54 I/O pins

    Funduino MEGA 2560 R3 microcontroller - 54 I/O pins
    18,90 €

    Ready to ship

  • Raspberry Pi Pico RP2040 - microcontroller, 40 pins, 1.8-5.5 V
    Sold out

    Raspberry Pi Pico RP2040 - microcontroller, 40 pins, 1.8-5.5 V

    Raspberry Pi Pico RP2040 - microcontroller, 40 pins, 1.8-5.5 V
    6,90 €

    Currently unavailable

  • Funduino Nano R3 microcontroller - ATmega328P, CH340, soldered

    Funduino Nano R3 microcontroller - ATmega328P, CH340, soldered

    Funduino Nano R3 microcontroller - ATmega328P, CH340, soldered
    10,80 €

    Ready to ship

  • Nano V3.0 Mikrocontroller - ATmega168P, USB-C, 5 V, gelötet oder ungelötet

    Nano V3.0 Mikrocontroller - ATmega168P, USB-C, 5 V, gelötet oder ungelötet

    Nano V3.0 Mikrocontroller - ATmega168P, USB-C, 5 V, gelötet oder ungelötet
    14,90 €

    Ready to ship

  • ESP32 Smart Display V3 2,8 Zoll - 320x240 Touchscreen, USB-C, verschiedene ESP32-Module

    ESP32 Smart Display V3 2,8 Zoll - 320x240 Touchscreen, USB-C, verschiedene ESP32-Module

    ESP32 Smart Display V3 2,8 Zoll - 320x240 Touchscreen, USB-C, verschiedene ESP32-Module
    23,07 €

    Ready to ship

  • Relaismodul 16-Kanal ESP32-WROOM - 5 V, WLAN und Bluetooth

    Relaismodul 16-Kanal ESP32-WROOM - 5 V, WLAN und Bluetooth

    Relaismodul 16-Kanal ESP32-WROOM - 5 V, WLAN und Bluetooth
    31,56 €

    Ready to ship

  • Funduino Nano R3 microcontroller - ATmega328P, CH340, unsoldered

    Funduino Nano R3 microcontroller - ATmega328P, CH340, unsoldered

    Funduino Nano R3 microcontroller - ATmega328P, CH340, unsoldered
    9,80 €

    Ready to ship

  • Calliope mini V3 - microcontroller for classroom education

    Calliope mini V3 - microcontroller for classroom education

    Calliope mini V3 - microcontroller for classroom education
    39,90 €

    Ready to ship

  • S2 Mini V1 microcontroller - ESP32, 4 MB flash, Wi-Fi, USB-C

    S2 Mini V1 microcontroller - ESP32, 4 MB flash, Wi-Fi, USB-C

    S2 Mini V1 microcontroller - ESP32, 4 MB flash, Wi-Fi, USB-C
    5,64 €

    Only 1 left in stock

  • Nano ATmega4808 microcontroller - Micro-USB, 5 V

    Nano ATmega4808 microcontroller - Micro-USB, 5 V

    Nano ATmega4808 microcontroller - Micro-USB, 5 V
    14,34 €

    Ready to ship

  • TTGO T-Display ESP32 - 1.14-inch TFT, WiFi and Bluetooth

    TTGO T-Display ESP32 - 1.14-inch TFT, WiFi and Bluetooth

    TTGO T-Display ESP32 - 1.14-inch TFT, WiFi and Bluetooth
    20,70 €

    Ready to ship

  • WeAct Studio Pico - RP2040 microcontroller, 16 MB flash, USB-C

    WeAct Studio Pico - RP2040 microcontroller, 16 MB flash, USB-C

    WeAct Studio Pico - RP2040 microcontroller, 16 MB flash, USB-C
    11,78 €

    Ready to ship

  • STM32F103C8T6 development board - ARM Cortex-M3, 72 MHz, USB-C
    Sold out

    STM32F103C8T6 development board - ARM Cortex-M3, 72 MHz, USB-C

    STM32F103C8T6 development board - ARM Cortex-M3, 72 MHz, USB-C
    11,04 €

    Currently unavailable

  • BBC micro:bit V2 Go Pack - with battery compartment and USB cable

    BBC micro:bit V2 Go Pack - with battery compartment and USB cable

    BBC micro:bit V2 Go Pack - with battery compartment and USB cable
    29,95 €

    Ready to ship

  • ESP32 Relaismodul 8-Kanal - WLAN, Bluetooth BLE, 5-30 V

    ESP32 Relaismodul 8-Kanal - WLAN, Bluetooth BLE, 5-30 V

    ESP32 Relaismodul 8-Kanal - WLAN, Bluetooth BLE, 5-30 V
    19,50 €

    Ready to ship

  • CH340 microcontroller board - 5 V, USB, compatible with Arduino UNO R3

    CH340 microcontroller board - 5 V, USB, compatible with Arduino UNO R3

    CH340 microcontroller board - 5 V, USB, compatible with Arduino UNO R3
    12,90 €

    Ready to ship

  • Leonardo R3 Microcontroller - ATmega32U4, USB, 5 V
    Sale

    Leonardo R3 Microcontroller - ATmega32U4, USB, 5 V

    Leonardo R3 Microcontroller - ATmega32U4, USB, 5 V
    14,90 € 11,32 € Save 24%

    Ready to ship

  • Arduino UNO R4 WiFi - original board with Wi-Fi and LED matrix

    Arduino UNO R4 WiFi - original board with Wi-Fi and LED matrix

    Arduino UNO R4 WiFi - original board with Wi-Fi and LED matrix
    29,80 €

    Available on order

  • Arduino UNO Q - Linux Dual-Brain-Board, 2 oder 4 GB RAM

    Arduino UNO Q - Linux Dual-Brain-Board, 2 oder 4 GB RAM

    Arduino UNO Q - Linux Dual-Brain-Board, 2 oder 4 GB RAM
    46,40 €

    Ready to ship

  • Pro Mini Entwicklerboard - 5 V, 14 digitale I/O, für Arduino, gelötet oder ungelötet
    Sale

    Pro Mini Entwicklerboard - 5 V, 14 digitale I/O, für Arduino, gelötet oder ungelötet

    Pro Mini Entwicklerboard - 5 V, 14 digitale I/O, für Arduino, gelötet oder ungelötet
    10,38 € 9,34 € Save 10%

    Ready to ship

  • Arduino Mega 2560 Rev3 - Original, 54 I/O pins

    Arduino Mega 2560 Rev3 - Original, 54 I/O pins

    Arduino Mega 2560 Rev3 - Original, 54 I/O pins
    51,50 €

    Ready to ship

  • Arduino Nano - Original microcontroller in compact format

    Arduino Nano - Original microcontroller in compact format

    Arduino Nano - Original microcontroller in compact format
    26,50 €

    Ready to ship

  • Arduino Micro - microcontroller with ATmega32u4, native USB

    Arduino Micro - microcontroller with ATmega32u4, native USB

    Arduino Micro - microcontroller with ATmega32u4, native USB
    24,90 €

    Ready to ship

  • Arduino Leonardo microcontroller - ATmega32u4, native USB, 5 V

    Arduino Leonardo microcontroller - ATmega32u4, native USB, 5 V

    Arduino Leonardo microcontroller - ATmega32u4, native USB, 5 V
    24,90 €

    Ready to ship

  • D1 mini V4.0 ESP8266 microcontroller - Wi-Fi, WEMOS compatible

    D1 mini V4.0 ESP8266 microcontroller - Wi-Fi, WEMOS compatible

    D1 mini V4.0 ESP8266 microcontroller - Wi-Fi, WEMOS compatible
    5,33 €

    Ready to ship

  • Espressif ESP32-PICO-KIT V4.1 - development board, Wi-Fi, Bluetooth

    Espressif ESP32-PICO-KIT V4.1 - development board, Wi-Fi, Bluetooth

    Espressif ESP32-PICO-KIT V4.1 - development board, Wi-Fi, Bluetooth
    18,51 €

    Ready to ship

  • Lilygo TTGO T5 V2.0 - ESP32 with 2.13-inch e-paper display
    Sold out

    Lilygo TTGO T5 V2.0 - ESP32 with 2.13-inch e-paper display

    Lilygo TTGO T5 V2.0 - ESP32 with 2.13-inch e-paper display
    29,04 €

    Currently unavailable

  • BBC micro:bit V2.21 - Mikrocontroller mit 25 LEDs, Bluetooth 5.1
    Sale

    BBC micro:bit V2.21 - Mikrocontroller mit 25 LEDs, Bluetooth 5.1

    BBC micro:bit V2.21 - Mikrocontroller mit 25 LEDs, Bluetooth 5.1
    28,90 € 26,01 € Save 10%

    Only 1 left in stock

  • PicoBoy Color - Mini-Handheld mit Farbdisplay
    Sold out

    PicoBoy Color - Mini-Handheld mit Farbdisplay

    PicoBoy Color - Mini-Handheld mit Farbdisplay
    26,90 €

    Currently unavailable

  • Raspberry Pi 4 Model B - 1 GB RAM, 1.5 GHz quad-core, Wi-Fi
    Sold out

    Raspberry Pi 4 Model B - 1 GB RAM, 1.5 GHz quad-core, Wi-Fi

    Raspberry Pi 4 Model B - 1 GB RAM, 1.5 GHz quad-core, Wi-Fi
    49,90 € 32,90 € Save 34%

    Currently unavailable

  • LoRa32 V2.0 development board - ESP32, 868/915 MHz, OLED
    Sold out

    LoRa32 V2.0 development board - ESP32, 868/915 MHz, OLED

    LoRa32 V2.0 development board - ESP32, 868/915 MHz, OLED
    34,53 €

    Currently unavailable

  • Heltec LoRa 32 V2 - ESP32 board with OLED, 863-928 MHz

    Heltec LoRa 32 V2 - ESP32 board with OLED, 863-928 MHz

    Heltec LoRa 32 V2 - ESP32 board with OLED, 863-928 MHz
    32,90 €

    Only 2 left in stock

  • WeMos TTGO XI 8F328P microcontroller - ATmega328P, 16 MHz, Nano format
    Sale

    WeMos TTGO XI 8F328P microcontroller - ATmega328P, 16 MHz, Nano format

    WeMos TTGO XI 8F328P microcontroller - ATmega328P, 16 MHz, Nano format
    5,55 € 5,00 € Save 9%

    Ready to ship

  • Pro Mini microcontroller - ATmega328P, 3.3 V

    Pro Mini microcontroller - ATmega328P, 3.3 V

    Pro Mini microcontroller - ATmega328P, 3.3 V
    5,55 €

    Ready to ship

  • Arduino UNO R4 Minima - original board with RA4M1, 32 KB RAM

    Arduino UNO R4 Minima - original board with RA4M1, 32 KB RAM

    Arduino UNO R4 Minima - original board with RA4M1, 32 KB RAM
    21,40 €

    Ready to ship

  • Raspberry Pi Pico - RP2040 microcontroller, without pins

    Raspberry Pi Pico - RP2040 microcontroller, without pins

    Raspberry Pi Pico - RP2040 microcontroller, without pins
    5,06 €

    Ready to ship

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Frequently Asked Questions

Frequently asked questions about microcontrollers

What is the difference between the UNO and the Nano?

Both use the ATmega328P and are programmed the same way. The UNO is larger and shield-compatible, the Nano is compact and breadboard-friendly.

Can I program the boards with the Arduino IDE?

Yes. Funduino boards are Arduino-compatible and are selected in the Arduino IDE just like an original UNO or Nano.

Which microcontroller is best for beginners?

To get started, we recommend the UNO R3, as it can be connected directly to jumper wires and shields without any soldering.

My computer doesn’t recognize the board – what should I do?

In most cases, the right USB-to-serial driver is missing. After installing it, the board appears as a COM port in the Arduino IDE.

Are the boards suitable for school lessons?

Yes. The UNO and Nano are widely used in STEM lessons, inexpensive and well documented thanks to numerous guides.

About this category

Microcontrollers for Arduino projects, school and prototyping

A microcontroller is the heart of almost every electronics project. It reads sensors, controls motors, LEDs and displays, and runs your program on its own, without a connected computer. In this category, you’ll find boards that are programmed with the Arduino IDE, giving you access to thousands of libraries and example projects.

The Funduino UNO R3 is the classic way to get started: robust, well documented and with headers that connect directly to shields and jumper wires. The Funduino Nano R3 offers the same ATmega328P processor in a compact format and plugs straight into a breadboard. It’s particularly well suited to space-saving setups and permanently installed projects.

For schools and training companies, both boards are a proven foundation for STEM lessons. You’ll also find matching sensors, modules and guides at Funduino.