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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@JumJum
I would like to play around a little bit with this. RGB123 is too expensive having in mind to play only. What is the "chinese version" of that ?
I only found this: http://www.banggood.com/MAX7219-Dot-Matrix-MCU-LED-Display-Control-Module-Kit-For-Arduino-p-915478.html for 2.54€ with red LEDs only.