A lot of people have been wanting for quite a while an easily accessible source of SimonK flashed ESCs for their multicopters. A smaller group of people have been wanting I2C interfaced ESCs, so the flight control board could monitor the state of the ESC (and know when a blade had stopped spinning, for example).
In collaboration with timecop and HobbyKing, here it is. I've got a set on order and will update this post when they arrive and I can try them out. For those not familiar with SimonK, he's the amazing gentleman who wrote his own open source firmware for ESCs that bumped the refresh rate to 400 Hz. HobbyKing notes that this is a licensed product, and that both SimonK and timecop (a.k.a. Hamasaki) are receiving royalties.
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