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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.
@allObjects
...weird that you do not get the 1st LED lit... I recall something similar... I did set the pin mode and may be something else... see [](http://forum.espruino.com/conversations/329232/) Post #2, code lines #23, #383 ff and #125. I know that you use different board / pin, but code should work the same way. Btw, you can always send more than 9 x 3 bytes / LEDs, the last 9 will lite your 9-LEDs string.
Btw, what is the reason to do 2 string rather than just 1 with 18 x 3 bytes? --- Check out my game setup / change / update of buffer and pushing buffer out... It is all mapping... In a different setup I use the Graphics object which allows me nice addressing - see post #26 in same thread. Yours will be 9 cols and 2 rows...