Category: Hardware

Short glossary: We have no ties with KONNWEI. Actually KONNWEI902s are knock offs of real ELM327 based hardware, but they have been the only consistently stable ones we have found. And we haven’t spotted “knockoffs of KONNWEI knockoffs”. Yet. It …

Dongle trouble #4: solution. Sort of Read More »

Today I received an email stating that some KONNWEI’s are shipped with a 20 ohm resistor across the CANbus. This is a massive production fault. First of all, normal bus termination is 120 ohms, second, the dongle should not impose …

Dongle trouble #3 Read More »

A few days ago I tested that dongle I received and things were not looking good. Flow control commands are not accepted, and while I assured it is able to both send and receive data on the CANbus *) it …

Dongle trouble #2 Read More »

This is an intermediate post. I got a report from a user who ordered what seemed to be a bona fide KONNWEI, but had no success. That was slightly alarming, but one error could be anything. He send me the …

Dongle trouble ahead? Read More »

Please skip if you are getting tired of this development talk 🙂 …… While I was debugging the WiFi interface today I was, of course still getting in and out, now and then resetting the dongle, making sure th car …

Developers geek talk – part 2 Read More »

This post is not about the ZOE, Fluence or Kangoo Z.E., but about what it takes developing something like CanZE. Imagine debugging this beast without a car systems emulator on your desk and no Bluetooth emulation in Android Studio. The …

Developers geek talk – part 1 Read More »

The AC charger cables have a resistor between protective earth (PE) and the proximity pin (PP) pin to indicate that the plug is inserted that the plug can therefore be locked (type 2 only) the gauge of the cable, and …

Resistors in charging cables Read More »

A (former?) Twizy and current Zoe driver in Austria called “AbRiNgOi” had a Twizplay laying around. This is an open source CANbus driven small display, based on Atmel micro controller. Anyone who has ever played with Arduinos knows what I …

CanZE spinoff in the spirit of Open Source Software Read More »

I finally got to the point to upload the firmware of my ArduinoDue and Teensy, but please be warned that it does not work the way I would like it to work!

Our strong advice is not to leave the dongle active in the car while you’re away. In essence, it is a not-secure direct access device to the main CANbus of the car, with a default Bluetooth password. I have been …

Is leaving the dongle in and on harmful? Read More »

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