Out with the three remote controls, in with the 3d printed daughterboard housing for the firetv remote. It contains an arduino nano, an IR LED, a lipo charger+battery, has 6 buttons (av receiver power, projector power, aux power, receiver input, vol up/down) and will clip onto the side of the firetv remote. Best trick up my sleeve: if you don’t press a button the arduino will take no current at all.

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Primarily my private instance, but if you like the URL create an account. This instance is targeted at makers and software developers.