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Top 23 C++ arduino-library Projects
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ArduinoJson library: arduinojson.org
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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Arduino-IRremote
Infrared remote library for Arduino: send and receive infrared signals with multiple protocols
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IRremoteESP8266
Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/
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Adafruit NeoPixel library: github.com/adafruit/Adafruit_NeoPixel
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Arduino-FOC
Arduino FOC for BLDC and Stepper motors - Arduino Based Field Oriented Control Algorithm Library
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ESP32-A2DP
A Simple ESP32 Bluetooth A2DP Library (to implement a Music Receiver or Sender) that supports Arduino, PlatformIO and Espressif IDF
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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ArduinoJoystickLibrary
An Arduino library that adds one or more joysticks to the list of HID devices an Arduino Leonardo or Arduino Micro can support.
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SSD1306 library: github.com/adafruit/Adafruit_SSD1306
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AutoConnect
An Arduino library for ESP8266/ESP32 WLAN configuration at runtime with the Web interface
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ arduino-library discussion
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R2D2 Creation with Codey 🤖 Ep.3
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R2D2 Creation with Codey 🤖 Ep.5
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Introducing OpenPager: A POCSAG Transmitter Library for Arduino
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Remote GPS Sensor: Data Transmission with NRF24L01
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A note from our sponsor - AppSignal
www.appsignal.com | 9 Oct 2026
Index
What are some of the best open-source arduino-library projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ArduinoJson | 7,221 |
| 2 | Arduino-IRremote | 5,043 |
| 3 | IRremoteESP8266 | 3,624 |
| 4 | Adafruit_NeoPixel | 3,423 |
| 5 | ESP32-BLE-Keyboard | 3,135 |
| 6 | Arduino-FOC | 3,051 |
| 7 | ESP32-A2DP | 2,765 |
| 8 | RF24 | 2,467 |
| 9 | ArduinoJoystickLibrary | 2,394 |
| 10 | HomeSpan | 2,172 |
| 11 | DHT-sensor-library | 2,169 |
| 12 | Adafruit_SSD1306 | 2,108 |
| 13 | arduinoWebSockets | 2,061 |
| 14 | WS2812FX | 1,727 |
| 15 | Control-Surface | 1,665 |
| 16 | gpio_viewer | 1,614 |
| 17 | ESPUI | 1,130 |
| 18 | OneButton | 1,110 |
| 19 | Adafruit_Sensor | 1,068 |
| 20 | Arduino-Temperature-Control-Library | 1,041 |
| 21 | HeatPump | 1,020 |
| 22 | ESP32-BLE-Mouse | 1,007 |
| 23 | AutoConnect | 993 |
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APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
www.appsignal.com