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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
So this is a TV tuner (for UHF/VHF, which one might note are no longer broadcast in much of the developed world), with I2C control to choose the channel?
You're using an 8-bit address, while the Espruino uses the 7-bit address and handles the last bit for you. You need to shift that address one bit to the right, ie, 0x61.
Also, there are 3 other addresses it could use - try em all if that one doesn't work.