This repository is dedicated to the Shimano e-Steps as I happen to have an e-Bike that is fitted with the Shimano drive-train. There is hardly any technical information on the electronics, so I decided to do a little exploring myself.
Electrification of a bike is very populair. There are two basic bike types:
- pedelec, limited to 25km/h, no helmet required
- speed e-bike, limited to 45km/h, requires a helmet, insurance
Among the pedelecs, drive-trains of Bosch, Shimano, Bafang and Yamaha are used as well as automatic transmission systems of Shimano, NuVinci, etc. which make riding a bike a joy.
Somehow we always are looking to get close or beyond the boundries that are set. In a case of a pedelec it would be interesting to go beyond the 25km/h speed limit. Doubling speed is dangerous, however setting the limit to 28 or 30km/h would be nice.
In the software the circumfence of the wheel is all that needs to be set, but where...
The console/display of the pedelec is a graphical display with backlight. It features a display, two buttons, a bus interface and an internal Li-Ion battery. The processor and the proprietary bus for the pedelec seem to be split in a specific IC and a more generic controller from Renesas R5F100GJA.
```NOTE: The SC-E6010 is replaced by a new one, as my old one had some problems with the graphical display (probably oxidation). The unit on itself still fully functions. So if anyone wants to use it to do some hacking, drop me a note, I will sent it to you.. Of course I expect the hacking results to be returned :-)```
*Tested on 13-08-2018 with the above setup and the result was that the setup is not working. The setup uses a `Mac`, with `VMWARE` and `Windows 8..10`, to work like a PC. Checking some forums revealed that there are more problems using "other" systems than PC's as people claim that the USB implementation of the SM-PCE1 does not comply with the USB standard.*
**`NOTE:`** So the next step is to find a PC and repeat the above process.
The `SM-PCE1` is an USB interface to connect the e-Steps system to a PC. It is used for service, configuration and maintenance. It is normally not required for a bike owner to have such an interface, but my curiosity was triggered to find out if I can hookup Bluetooth to my bike.
The `SM-DUE10` is a Reed switch with an attached cable, together with a magnet that can be attached to the spoke of a wheel. It is handy to have the magnet around if ever you loose the magnet the e-bike doesn't function anymore.
The power supply is not just a regular power supply, but comes with a lot of electronics, including a micro-controller that talks over the power line. For the curious user you will find pictures that show the various parts of the power supply.
Refer to the [pictures](pictures/) directory and look for all pictures that start with the prefix `PS`.
#### micro-controller
The micro-controller on the Power Supply board is from [SinoWealth](http://www.sinowealth.com/en/softtype.asp?cat_id=32&class_id=110). It is a 8051 class processor with some standard integrated peripherals.
## Tools
There are several companies and people who offer all kinds of hacks to speed up the pedelec. Clearly that is against what is legal: a pedelec has a maximum allowed speed of 25km/h and speeding it up beyond this point is a violation. If you want speed then use an e-Bike.
### YouTube
You can find hacks on YouTube that decrease the rotation of the magnet along the sensor by a factor two. The bike electronics controller thinks it rotates slower (half the speed) and increases its support effectively towards 50km/h (in theory).
### Shimano
As already mentioned Shimano has its own support software that works with their special interface.
### eMax-tuning
Another company [emax-tuning](http://www.emax-tuning.com) provides software for the Shimano **e-Steps 8000**. They also provide some freeware that can be found [here](tools/).
