In this video i utilize one of the turn-knobs and create a 3 button switch on my FlySky FS-T6 transmitter\r
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What you need are:\r
1 pcs 3 way miniature switch\r
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2 resistors (Pick the 2.7kOhm)\r
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or\r
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Some tools and soldering machine and you are good to go\r
All links goes to Ebay