History

lolo 9c253b7a67 Upload files to 'ebikes'		2022-05-17 15:23:43 +00:00
..
672aa77814electric-bicycle-electric-motor.jpg	Upload files to 'ebikes'	2022-05-17 15:12:17 +00:00
Basic Block Diagram of Pedelec Model E-bike.jpg	Upload files to 'ebikes'	2022-05-17 15:12:17 +00:00
E-bike block diagram.png	Upload files to 'ebikes'	2022-05-17 15:21:04 +00:00
README.md	Update 'ebikes/README.md'	2022-05-17 15:22:59 +00:00
bafangmid.png	Upload files to 'ebikes'	2022-05-17 15:12:17 +00:00
bafangmid2.png	Upload files to 'ebikes'	2022-05-17 15:12:17 +00:00
controller board.png	Upload files to 'ebikes'	2022-05-17 15:23:43 +00:00

README.md

open ebike building projects

introduction

this repository documentents the progress to a open hardware ebike. this project include the research on the ebike part market to see what technology is most common and which ne invention are relevant

components

Basic Block Diagram of Pedelec Model E-bike

electric-bicycle-electric-motor

motor

Motor Specification (example):

Motor Model: BBS01B Bafang Model: MM G340.250 Power:250W Voltage:36V Controller Current: 15A No Load Speed(RPM) :83-87 Load Speed(RPM):78-83

MAX Torque:80 N.m

Top Speed:28km/h

Efficiency: > 80%

PAS SENSOR : Speed Sensor

Reduction Ratio: 1 : 21.9

Certification: CE/EN 14764/ROHS

Waterproof Grade:IP65

Bracket bottom length:68mm

Operation Temperature:-20-45℃

Waterproof Grade: IP65

Display Working Temperature: -20-80C

battery

charger

controller

(E-bike Charger Reference Design)[https://www.monolithicpower.com/reference-design-electrical-bike] alt text