Mobula7 HD - repairs // upgrades // 5V BEC fix // external receiver // buzzer // FrSky xm+

My Mobula7 HD had died and won’t power up from a battery. In this video I show you how to troubleshoot the problem, replace the 5V regulator BEC, add a buzzer and an external FrSky XM receiver. Modula7 HD - USB Volt Voltage Current Meter - Micro Buzzer - Pololu 5V step down regulator - FrSky XM - Caddx Turtle V2 Cable - Betaflight/CrazyBee F4 docs -