Welcome on Joakim Karlsson

BDMTool

Sun, 13 Sep 2026 00:00:00 +0000

Reads and writes SAAB Trionic (and Volvo CEM) ECU flash and SRAM over BDM (Background Debug Mode). An extended Go/Fyne version of Janis Silins' BDM Tool.

Download · Source on GitHub

Supported adapters

CombiAdapter (incl. MkII and STM32 clones)
USB BDM
USB BDM MkII
ardubdm (ATmega328PB over USB serial)

Supported ECUs

Trionic 5.2
Trionic 5.5 (28F010 chips)
Trionic 5.5 (AM29F010 chips)
Trionic 7
Trionic 8
Volvo CEM

Build from source

Requires Go and libusb-1.0 development headers.

Contact

Sun, 13 Sep 2026 00:00:00 +0000

Instagram: @saabroffe
TrionicTuning: roffe84

Hajfena

Fri, 02 Jan 2026 21:09:12 +0000

Utskrift av Hajfena 300 ink frakt inom Sverige.

Dessa tar 5 timmar styck att producera då jag använder tunnast möjliga lager och “fuzzy skin” för att dom inte ska se 3d printade ut.

Endast det bästa åt våra SAAB’ar!

Utskriven i ABS plast

För att beställa: hajfena (a) roffe.nu

CIM Tool Nano

Mon, 13 Oct 2025 14:33:25 +0000

Github: roffe/eep: Saab CIM Tool

USB Serial Driver: CH341SER.zip

Cim Tool Software 64-bit or 32-bit

I build kits on request. order at roffe.nu €60 + shipping

Lööf!

Wed, 11 Dec 2024 16:03:57 +0000

Roffe vill ha:

NG900 94-97

SRS modul, samma placering som på 9-5
Motorstyrdon ( Om det är en turbo )
ABS styrdon
VSS ( Endast om det finns nyckel ) (Sitter på samma ställe som TWICE)
Läder inredning + Säten

OG9-3 1998-2003

SRS Moduel samma placering som på 9-5
Motorstyrdon (om det är en turbo)
ABS styrdon
TWICE (Endast med nyckel)
AERO front i bra skick
Läder inredning + Säten

NG9-3 2003-

CIM (Endast om nycklar finns )
Rattlås ( Klumpen på rattstången )
Tändningslås
Motorstyrdon
Dörrlås
Dörrmoduler ( Knapparna för att köra rua upp /ner )

SAAB Help

Tue, 21 Dec 2021 14:19:17 +0000

I have the whole range of hardware and software necessary for ECU flashing, recovery and cloning for the following systems

Trionic 5.2
Trionic 5.5
Trionic 7
Trionic 8
ME9.2
BDM recovery on Volvo CEM ECU

I do NOT offer tuning, you can supply a custom bin to flash to the ECU but I cannot be held responsible for any engine failure or damage to your vehicle as a result of this

Hardware

ECU gloves for T5/7/8/ME9.2
Live map cables for NG900/OG9-3
Tech2 with V44 and V148 memory cards with working GlobalTIS
Lawicel CANUSB + OBD Cable
CombiAdapter V2 + BDM Cable
Just4Trionic + OBD & BDM Cable
OBDLink SX

Prices

Saab Turbo Club of Sweden (STCS) and TrionicTuning Bronze (TT) members only pay shipping costs if mailing me the ECU(s)

Parsing 18 billion lines JSON with Go

Tue, 10 Dec 2019 12:26:04 +0000

https://medium.com/@roffe/parsing-18-billion-lines-json-with-go-738be6ee5ed2?sk=0a57d3811168ab4d48c37387f69bb92c

Building a Kubernetes CI/CD pipeline on AWS with CodePipeline & CodeBuild @ Shopgun

Tue, 12 Mar 2019 11:20:10 +0000

A article about how I built the pipeline for Kubernetes @ Shopgun

https://itnext.io/building-a-kubernetes-ci-cd-pipeline-on-aws-with-codepipeline-codebuild-shopgun-43ccf76277b5

Building a secure image service on Kubernetes

Mon, 25 Feb 2019 11:03:55 +0000

https://itnext.io/how-to-build-your-own-secure-image-processing-service-with-imaginary-and-kubernetes-cf124649047c

Kubernetes in production @ ShopGun

Mon, 25 Feb 2019 10:58:52 +0000

https://medium.com/@roffe/kubernetes-in-production-shopgun-2c280f0c0923

Computer Repairs

Sun, 24 Feb 2019 01:43:03 +0000

For private persons and companies I can offer computer diagnostics and repairs

I’m proficient in a wide range of operating systems

Windows 95 – 11
Windows NT series
Linux
Mac OSX

Open Source

Wed, 11 May 2016 21:57:12 +0000

My github page

txlogger – Data logging for SAAB Trionic 5, 7 & 8

gocan – Golang CAN library with adapter drivers

Qmail Autoresponder 2.0.6 – fixed pesky message-id bugg that has been present since 1998

k8s-sslmate – Deprecated – A software written in GO running inside a Kubernetes cluster to sync your SSLmate certificates as secrets for usage with f.x nginx-ingerss controller. It uses the native Kubernetes api client to talk to the cluster.