Eachine F4 Brushed FCB

http://us.banggood.com/Wholesale-Warehouse-Eachine-32bits-F4-Brushed-Flight-Control-Board-Based-On-Openpilot-CC3D-Revolutio-For-Micro-FPV-Frame-wp-Usa-1084264.html

Great info here: https://forum.dronin.org/forum/d/200-eachine-f4-brushed-flight-controler/7

dRonin tune: https://dronin-autotown.appspot.com/at/tune/ahFzfmRyb25pbi1hdXRvdG93bnIYCxILVHVuZVJlc3VsdHMYgICA4Ky5hQsM

…and I’m only now understanding that dRonin is another configurator: http://dronin.org/