ArduPPMv2.3.16ATMega32U2firmwareforAPM2.x–NewinterruptsystemthathandlescertainFutabareceiversbetter(simultaneouschangesongroupsofR/Cchannelsinfastintervals)–Adaptedbehaviourincaseofchannelloss:ch1,roll:settocenter(1500us)ch2,pitch:settocenter(1500us)ch3,throttle:settolow(900us)