Top 23 C arduino-library Projects

arduino-library

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1. TFT_eSPI

   1 50 4,324 5.9 C

   Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips

   

2. 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.

   

3. Adafruit-GFX-Library

   2 8 2,613 5.4 C

   Adafruit GFX graphics core Arduino library, this is the 'core' class that all our other graphics libraries derive from

   

4. Watchy

   3 8 2,262 3.3 C

   Watchy - An Open Source E-Ink Smartwatch

   

5. arduino-audio-tools

   4 15 1,930 9.8 C

   Arduino Audio Tools (a powerful Audio library not only for Arduino)

   

   Project mention: Show HN: Cartoony AI Voices on ESP32 with Pitch Shifting | news.ycombinator.com | 2025-08-05

   I show how to use Pitch shifting supported by the arduino-audio-tools[1] and ElatoAI[2] library on ESP32 to get OpenAI Realtime and Gemini Live Voices to sound like cartoons like Alvin and the Chipmunks or Hulk.

   [1] https://github.com/pschatzmann/arduino-audio-tools

6. Arduino-HomeKit-ESP8266

   5 12 1,588 0.0 C

   Native Apple HomeKit accessory implementation for the ESP8266 Arduino core.

   

7. GUIslice

   6 7 1,298 5.7 C

   GUIslice drag & drop embedded GUI in C for touchscreen TFT on Arduino, Raspberry Pi, ARM, ESP8266 / ESP32 / M5stack using Adafruit-GFX / TFT_eSPI / UTFT / SDL

   

8. Adafruit_Learning_System_Guides

   7 9 1,064 9.8 C

   Programs and scripts to display "inline" in Adafruit Learning System guides

   

9. Sevalla

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   Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!

   

10. ssd1306

    8 2 775 2.6 C

    Driver for SSD1306, SSD1331, SSD1351, IL9163, ILI9341, ST7735, PCD8544, Nokia 5110 displays running on Arduino/ESP32/Linux (Rasperry) platforms

    

11. Adafruit_TinyUSB_Arduino

    9 10 585 8.4 C

    Arduino library for TinyUSB

    

    Project mention: Integrating BleuIO with Adafruit Feather RP2040 for Seamless BLE Applications | dev.to | 2024-11-06

    To use your Feather as a USB host, you’ll need to install the Adafruit TinyUSB library. It can be installed using the Library Manager in the Arduino IDE.

12. Firebase-ESP32

    10 1 434 5.6 C

    [DEPRECATED]🔥 Firebase RTDB Arduino Library for ESP32. The complete, fast, secured and reliable Firebase Arduino client library that supports CRUD (create, read, update, delete) and Stream operations.

    

13. Firebase-ESP8266

    11 4 421 5.7 C

    [DEPRECATED] 🔥 Firebase RTDB Arduino Library for ESP8266 and RP2040 Pico. The complete, fast, secured and reliable Firebase Arduino client library that supports CRUD (create, read, update, delete) and Stream operations.

    

14. esp32_arduino_sqlite3_lib

    12 4 403 4.9 C

    Sqlite3 Arduino library for ESP32

    

15. LibSSH-ESP32

    13 5 318 4.2 C

    Libssh SSH client & server port to ESP32 Arduino library

    

16. ESPHap

    14 1 274 0.0 C

    ESP32/ESP8266 Arduino library for native Apple Homekit Accessory Protocol (HAP)

    

17. tinybasic

    15 1 251 9.4 C

    A BASIC interpreter for Arduino, ESP, RP2040, STM32, Infineon XMC and POSIX with IoT and microcontroller features. (by slviajero)

    

18. SparkFun_MPU-9250-DMP_Arduino_Library

    16 2 232 0.0 C

    Arduino library for the MPU-9250 enabling its digital motion process (DMP) features.

    

19. ESP-Mail-Client

    17 8 216 7.3 C

    [Deprecated] The comprehensive Arduino Email Client Library to send and read Email for Arduino devices. The library also supports other network shields or modules e.g., Wi-Fi, Ethernet, and GSM/4G modules.

    

20. arduino-device-lib

    18 1 211 0.0 C

    Arduino Library for TTN Devices

    

21. sqlite_micro_logger_arduino

    19 2 178 3.3 C

    Fast and Lean Sqlite database logger for Arduino UNO and above

    

22. SSLClient

    20 2 167 0.0 C

    🔒Add SSL/TLS functionality to any Arduino library

    

23. SparkFun_CAN-Bus_Arduino_Library

    21 2 162 10.0 C

    

24. EthernetENC

    22 2 156 5.4 C

    Ethernet library for ENC28J60. This is a modern version of the UIPEthernet library. EthernetENC library is compatible with all Arduino architectures with Arduino SPI library with transactions support. Only include EthernetENC.h instead of Ethernet.h

    

25. ESP32-OV5640-AF

    23 2 135 2.3 C

    Library for ESP32 to use OV5640's autofocus function

    

26. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

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• How are you guys building the web pages to interface with your projects?

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• Pico W and SHT41 errors

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• A note from our sponsor - InfluxDB
  www.influxdata.com | 1 Sep 2025

  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. Learn more →

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Sponsored

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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.

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