Top 20 C++ arduino-uno Projects

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1. OpenMQTTGateway

   1 24 3,843 8.5 C++

   MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility & LoRa.

   

   Project mention: OpenMQTT Gateway for Radio Frequency Signals | dev.to | 2025-08-24

   OpenMQTT is a true "standing on the shoulder of giants" project with a dedicated and strong developer community. The features and level of sophistication of this project is fantastic, I strongly advise you to take some time and browse the GitHub software repository.

2. JetBrains

   surveys.jetbrains.com featured

   Tell us how you use coding tools. You may win a prize! Are you a developer or a data analyst? Share your thoughts about your coding tools in our short survey and get a chance to win prizes!

   

3. mpu6050

   2 3 401 6.5 C++

   MPU6050 Arduino Library (by ElectronicCats)

   

4. Arduino-AppleMIDI-Library

   3 7 320 2.3 C++

   Send and receive MIDI messages over Ethernet (rtpMIDI or AppleMIDI)

   

5. Arduino-FastLED-Music-Visualizer

   4 1 198 1.8 C++

   An Arduino based music visualizer using the FastLED library and a strip of individually addressable LEDs

   

6. EV_Charger

   5 0 151 - C++

   Arduino Uno Code for EV Charger

   

7. Syslog

   6 1 120 0.0 C++

   An Arduino library for logging to Syslog server in IETF format (RFC 5424) and BSD format (RFC 3164) (by arcao)

   

8. hwlib

   7 6 58 0.0 C++

   C++ OO micro-controller library for close-to-the-hardware programming

   

9. Sevalla

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10. LibreCO2

    8 1 49 5.9 C++

    Simple CO2 meter using Arduino UNO-Mega board and popular CO2 sensors (SenseAir S8, Sensirion SCD30, Winsen MH-Z14 or 19 and Cubic CM1106). Operation modes: Normal, Calibration 400ppm, Alarm adjust and Altitud compensation adjust

    

11. NeuroskyHacking

    9 2 37 0.0 C++

    Cooperative multitasking Arduino code example to process/graph EEG data from Star Wars Force Trainer (Neurosky board)

    

12. Spotuino

    10 6 27 0.0 C++

    Controlling Spotify with infrared technology, an Arduino Uno, and Python!

    

13. Electroverse

    11 3 27 0.0 C++

    💡 Community for open source electronics enthusiasts.

    

14. arduino-uno-aws-irrigation-system

    12 1 23 8.0 C++

    An extremely popular DIY project that allows you to automatically water your plants according to the level of moisture in the soil

    

15. MicroChess

    13 4 22 7.5 C++

    A full featured chess engine designed to fit in an embedded environment, using less than 2K of RAM!

    

16. nanoprom

    14 7 20 0.0 C++

    EEPROM Programmer for Arduino Nano without needing other components

    

17. SIM800L

    15 2 17 0.0 C++

    An Arduino Library for GSM SIM800L, compatible with Arduino UNO, MEGA, DUO, ESP8266, ESP32

    

18. ggreg20-v3-arduino-uno-wokwi-simulator

    16 1 5 1.9 C++

    GGreg20_V3 Ionizing Radiation Detector for Arduino UNO WOKWI simulator

    

19. SmartHome

    17 1 4 1.8 C++

    2nd Semester CCSE Engineering Department - Sensors Project (Smart Home) (by HalemoGPA)

    

20. Contactless-with-EMG

    18 2 3 4.1 C++

    Going Contactless with Electromyography sensor as part of Biomedical Instrumentation project.

    

21. CCIR476

    19 1 3 0.0 C++

    CCIR476 Encoder Library for Arduino

    

22. Jebs-LCS-for-KSP

    20 1 0 0.0 C++

    An automated countdown timer, a macro keyboard, and a control device for Kerbal Space Program that can be connected to the PC and autonomously launch the vehicle when the timer hits 0.

    

23. InfluxDB

    www.influxdata.com featured

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    

C++ arduino-uno related posts

• Show HN: Going Contactless with EMG Sensor and Arduino

  1 project | news.ycombinator.com | 21 May 2023

• Is using C++ singleton classes on atmega 2560 to abstract away port, pin and interrupt setup a good approach?

  4 projects | /r/embedded | 5 Nov 2022

• Show HN: Electroversity – Where world builds Circuits

  1 project | news.ycombinator.com | 20 Oct 2022

• Simple question on register programming

  1 project | /r/embedded | 19 Aug 2022

• Question about I2C

  1 project | /r/embedded | 27 Jul 2022

• ELectroverse 💡 Community for open source electronics enthusiasts.

  1 project | /r/electronics | 14 Jul 2022

• Arduino Controlled Spotify Project.

  1 project | /r/arduino | 28 Dec 2021
• A note from our sponsor - JetBrains
  surveys.jetbrains.com | 31 Aug 2025

  Are you a developer or a data analyst? Share your thoughts about your coding tools in our short survey and get a chance to win prizes! Learn more →

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