Blockly

Blockly is a drag-n-drop library made by Google. It can define custom blocks, include plug-ins, convert blocks to real code, and more. Many drag-n-drop code interfaces are based on it, most of which are educational.

GitHub: https://github.com/topics/blockly
Aliases: google-blockly,
Last updated: 2026-06-28 00:03:55 UTC
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https://github.com/sarincr/electroblocks-for-arduino

ElectroBlocks is a "drag and drop" app for programming the Arduino. You use this with Serial Monitor, Bluetooth, NeoPixels, LED Matrix, IR Remotes and much more. It also has a debug block which will pause the program and print out all the variables. You can also save and see the code view as well.

arduino arduino-ide arduino-library arduino-uno blockly blocklyduino embedded embedded-c embedded-systems iot microcontroller microcontroller-boards microcontroller-lab microcontrollers visualprogramming