Arduino Reference is an Arduino Language Reference based on arduino.cc/en/Reference/HomePage, divided in three main parts: structure, values (variables and constants), and functions.

Features:
★ No Ads (In-App Purchase)
★ Search tools (In-App Purchase)
★ Full part of content (In-App Purchase)
★ All content offline available
★ Change the Themes (Light, Dark, Black)
★ Change the code style theme (Light, Dark)
★ Change the font size
★ Syntax Highlight for Arduino language
★ Serial Monitor for debugging needed

The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.

// Option A //

To download Arduino Language Reference mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Arduino Language Reference mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Arduino Language Reference from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Arduino Language Reference in HappyMod App.