https://www.element14.com/community/community/design-challenges/designforacause/blog/2018/08/10/design-for-a-cause-the-ultimate-smart-trike-design-blog-2-of-4
BOM: 650W, 36V, 450RPM Output Geared Motor
34 Tooth Sprocket
#40 Chain
Arduino MKR1000 IoT Bundle, Components Kit
15mm bore freewheel
36V Thumb Throttle and Motor Controller
(3)18Ah Batteries
Molex 36663-0001
Molex 36664-0001
Molex 50-84-1020
Molex 50-84-2020
(2) Inline Fuse Holders
(2) 25 A Fuses
3" x 3/16" Carbon Steal plate
1/4"x 20 Grade 8 bolting
Dual Piston Brake caliper and hydraulic actuator (as found on ATVs)
Zip ties