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# Shimano e-Steps
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.
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.
Update: ```19-09-2018```
## e-Bikes
Electrification of a bike is very populair. There are two basic bike types:
@ -9,6 +11,11 @@ Electrification of a bike is very populair. There are two basic bike types:
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.
## Speeding up the e-Bike
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...
## Documents
You can find some patents in the [patents](patents/) directory.
@ -53,26 +60,21 @@ Let's try to hookup the PC interface. For that we install the software on a PC.
**`NOTE:`** So the next step is to find a PC and repeat the above process.
So far all experiments turned up nothing and are a bit frustrating.
## Accessoires
### SM-PCE1 PC Linkage Device
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.
- [BOX](https://user-images.githubusercontent.com/1014001/43896685-f58adc2a-9bd9-11e8-9821-9a8bd3c760c1.jpg)
- [PCB TOP](https://user-images.githubusercontent.com/1014001/43896881-a103f028-9bda-11e8-8a23-826b529461cf.jpg)
- [PCB BOTTOM](https://user-images.githubusercontent.com/1014001/43896903-ae41b82e-9bda-11e8-99b4-9aa84fdd4943.jpg)
- [BOX INNER SIDE TOP](https://user-images.githubusercontent.com/1014001/43896922-be125c4a-9bda-11e8-8097-daa525b39b0f.jpg)
- [BOX INNER SIDE BOTTOM](https://user-images.githubusercontent.com/1014001/43896908-b4724cd6-9bda-11e8-948c-682df6467245.jpg)
- [BOX BACK SIDE](https://user-images.githubusercontent.com/1014001/43896913-b80eea16-9bda-11e8-8450-f36e1a5e1dfe.jpg)
- [BOX SIDE VIEW](https://user-images.githubusercontent.com/1014001/43897124-60b91e7a-9bdb-11e8-816b-77eb42061afe.jpg)
Refer to the [pictures](pictures/) directory and look for all pictures that start with the prefix `SM-PCE1`.
#### Super Capacitor
Strangely enough the PCB has two super-capacitors. These are 2.5V and stacked so they can handle 5V.
#### mini USB Interface
The USB interface is a Texas Instruments chip,
The USB interface is a Texas Instruments chip.
### EW-WU111 Wireless Unit
The `EW-WU111` is a wireless interface with `ANT` and `BLE` wireless standards. The interface can be placed in between a wireless connection cable.
@ -88,3 +90,27 @@ The `SM-DUE10` is a Reed switch with an attached cable, together with a magnet t
### TL-EW02 Plug Tool (for ST-6770)
Just a piece of plastic to insert and/or remove a connector from a device.
### EC-E6000 Power Supply 42V @ 4.0A
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/).