The BLHeli passthrough is nice because we can quickly make changes to ESCs through the flight controller. But in some cases I flash the ESCs through an Arduino Nano. Here is how.

Arduino Nano (Amazon) - http://amzn.to/2smw9bo
Arduino Nano (Ebay) - https://rover.ebay.com/rover/1/711-53...
Arduino Nano (Banggood) - https://www.banggood.com/ATmega328P-N...

BLHeli playlist -    • BLHeli Suite Playlist  

All my playlists -    / @projectbluefalcon  
Video editor - http://amzn.to/2n7sUiF
My personal vlog channel -    / jcofficial3