External controller project on a Bosch Emtb

uolihp66

Member
Mar 20, 2021
1
0
Paris
Hello everyone, From Nice, France!
I am 66 years old and I no longer have the legs to ride without an engine in the mountains ...
I installed the CycleAnalyst GrinTech on a Mondraker Ebike (I like their Forward Geometry). It works very well.
the only problem is starting, I can only drive in sensorless mode, because the rotation sensor ("hall") seems to be a proprietary system which counts the rotation at the end of the motor shaft. It is not a "three hall sensor 120 ° system" like most engines I know, and I don't understand how it works.
Does anyone know this type of motor and does he know how to get and process this signal to be able to run this motor in sensored mode?
I thank you in advance if someone could inform me or help me?
best regards!
Philippe
 

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