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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.
@furuskog
@Gordon Hello again. Im in Sweden. I want to send and receive but maybe I can get supplies for them both and start with the simple one. I have several headphones. From what I can gather from the videos you have ordinary jumper cables braided not the audio cable just the a audio plug? Then att the board-end you have the resistor/resistors and the capacitator hooked up?