Program your microcontroller with MicroBlocks: 
If you like to tinker with technology, you may be familiar with programmable microcontroller boards, such as AdaFruit’s Circuit Playground Express and the BBC Micro:bit. Now there’s a new programming option for you to try: MicroBlocks. It’s a simple Scratch-like programming interface that works well with several microcontrollers, including those two.
read more: Opensource.com Don Watkins
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Have you tried: Farking?