This is the home of

Ingenieurbüro Grafe


Please also look at our new pages at




Your information, service and hardware source for:
- Rover MEMS Engine Control Units (ECUs)
- Lucas 5AS, 10AS and Keyfob problems
- Rover TestBook repair and service
- Classic Mini Cooper
- Lotus Elise MK1
- Free programmable Plug-N-Play ECUs for Rover Cars
- A lot of HiFi and electronic stuff (aka dougie´s tools)
  like the ARTA DIY Turntable Project is an information source not only targeting at the real classic Mini owner and enthusiast, but also your preferred point of contact for everything related to Rover based cars. We also can help with a lot of problems related to the electronics of your LandRover Freelander and Defender. Our aim is to help and support all Rover owners keeping their cars on street and to offer one or the other tip, how to personalize, improve or tune your Vehicle. Most information is granted for free for personal use. Some developments are offered for a small amount of money, to support the development of new gadgets.

This web residence consists already out of more than 100 pages of comprehensive information. Some projects are dedicated to beginners, others for experienced people. All info here is provided ´as is´ and without any kind of guarantee or liability. Any commercial use of any information shown on this pages needs our prior written permission.




I´m proud having been awarded with the feature article in MiniMagazine 02/2011. Please click on the link below the picture if your´re interested in the article.






My Mini Stereo setup received 1st Place at the IMM in Longbridge



Please see our new page:



Please get in touch with us for detailed info on specific items or in case you´re interested to advertise on our page.




And here`s a snapshot of our garage in 2012



Update 2013


Willkommen zu!
Wenn sie sich gerade ein neues Auto gekauft haben, und jetzt bei der Suche nach Informationen zu ihrem brandneuen Lifestyle-Car der bayrischen Autoschmiede sind, dann mag sie das jetzt schockieren: es gab schon eine Reihe Mini-Kombi-Modelle lange bevor sie sich zum Kauf des Neuzeit-Modells entschieden haben.
Auf dieser und den folgenden Seiten finden sich jede Menge Informationen rund um den klassischen alten Mini.


Ich distanziere mich hier in aller Form von den Produkten der Firma BMW und deren Namensrechten, Markenrechten und was weiss ich noch, was mit dem Wort Mini verbunden ist. Diese Seiten stehen in keinerlei Zusammenhang mit dem New Mini, New Mini Clubman oder New Mini Cooper. Dies sind eingetragene Marken der BMW AG. Leider muss man das in dieser Deutlichkeit tun, um nicht Ziel einer Abmahnung zu werden.



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Latest News:

28.08.2016 The ARTA Turntable Project
22.11.3013 Number of additions to the 1-Wire Section
17.07.2011 The Hero GoPro HD Wireless Remote Control Project

13.05.2011 Info on SoundCard Measurement Interface updated
10.05.2011 Processor Source Code added to AutoStartButton project

19.04.2011 Info on Speed Signal Generator updated
18.03.2011 Lotus Elise DIY Electronic Boot Lid Opener
31.01.2011 Cheap Nokia compatible USB Charger
25.10.2010 Kenwood KAC-721 Pinout added to download section
25.10.2010 Info on new LED Brake Light / Indicator inserts added

15.09.2010 Schematics of CDI / Capacitor Discharge Ignition added
30.06.2010 Info on Rover/Lucas 5AS Code Reader published
17.06.2010 High-End Soundcard Measurement Interface
28.02.2010 Info on 5AS Immobilizer deactivation updated
07.02.1010 DIY LED Fuel Gauge
27.01.2010 Review IMG STA-750 1000W Power Amp
21.10.2009 RFID Tag Reader for Cars
10.10.2009 DIY Automatic Engine-Start-Button
02.10.2009 How to build a small Webserver in 90 minutes
17.09.2009 Simple MP3 Booster Amplifier
16.09.2009 The LED-RingFlash Project...
27.08.2009 DoItYourself High-Power LED Bike-Light
11.08.2009 DoItYourself Speed Signal Generator for standard Speedo Cable
14.02.2009 DoItYourself MIDI Expander using Yamaha DB50XG Wavetable
04.01.2009 Fuel Injector Tester / Cleaner added
11.11.2008 ARTA-Box 3.2 updated
17.10.2008 Mini Knock Detector Sensor Project added
23.08.2008 Mini CDI Ignition Project added
11.06.2008 Kontaktloses Amperemeter published
15.05.2008 Ultimate Mini Squirt for MEMS 1.3 published
19.04.2008 Ultimate Mini Squirt (ums) Project added
25.02.2008 Mini Lambda Display Project added
16.02.2008 Mini HiFi Front-Mid-Tone Project added
15.02.2008 Various Data in Download Section updated
17.01.2008 TestBook and BrickBox Repair Service added
29.12.2007 Mini Interior Light Delay/Dim added
30.11.2007 Mini Rear Window Shelf Project added
21.11.2007 Universal Transistor Ignition added
04.11.2007 LED Brake- & Taillight added
02.11.2007 Page renamed to
25.19.2007 Blinkerrelais V2.0 added
25.09.2007 LED Blinker V2.0 added
16.09.2007 Picture Galleries added