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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.
@DrAzzy
Hmm. That's probably it.
There exist at least 4 different controller PCBs being sold with that display on ebay - The red one, and three blue ones: One that says "NOKIA 5110" and has a resistor and capacitor visible above the screen, one says "Nokia 5110 display module" above the screen, and one has a spot for a second set of pins there. I have the "NOKIA 5110" one.