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#Vanmoof

1 Beitrag1 Beteiligte*r0 Beiträge heute
Antwortete im Thread
Öffentlich
Paulette Sterckeman - Oswald

@thomas die liste wird immer länger:
- #VanMoof
- #Smart
- #truma

Meistens krempeln dann ein paar Enthusiasten die Ärmel hoch und das Oszilloskop raus und untersuchen die Technik so langem bis Sie raushaben, was dahinter steckt.

Wenn ein Hersteller einenPgadaufgibt, sollte er doch mindestens so viel Rückgrat haben, die nötigen Informationen bereitzustellen um eine Alternative aufbauen zu können.

Truma ist da auch nicht besser:

paulette.die-oswalds.net/umbau

paulette.die-oswalds.netiNet Box Alternative
Öffentlich
Amro has been

I really hate bicycle repair work. My son's bike was broken. One of the pedals had broken of.
And that seems a simple fix. Screw out the remaining axle nub and screw in a replacement.
But it was stuck. I used penetration oil. And heat. Couldn't get it lose.
Oh, well. I have another VanMoof for parts. I'll replace the complete crank and front cog.
Couldn't get it lose. Again. Bought a crank puller. Still no dice.
Fuck it. I have long covid. This is costing me to much energy. I'll take it to a bicycle repair shop.
There is one in walking distance.
They are to busy, please make an appointment on the website.
I can't figure where on the website.
Just write a mail.
No reaction.
I am calling them and when it says press 2 to make an appointment.
I press 2.
The connection gets cut.
Fuck it. I just drill out the axle. It's a pain. But I did it before, well sort of
Two days later I have a hole where the axle used to be. But the aluminium aloy has completely melted into the groove of the crank. No way I am getting that to an usable state.
Fuck it. Admitting defeat I combine the wheels, tires and mudgards with the other frame.
I hate VanMoof.
Know to find someone that can replace those cranks on the frame. So I can have two whole bikes again

A bicycle crank with a bored out hole where the axle of the step used to be. The hole is grooved and pock marked aluminium on the inside
A bicycle crank with a broken axle nub sticking out.
One VanMoof bike made complete from two. Ready to go. In front of a book case
The parts of the second bike on my balcony
#Bikes#BikeRepair#VanMoof
Öffentlich
Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️

My latest blog post: I'm presenting at the 2025 Open Hardware Summit

mikecoats.com/presenting-at-oh

I'm excited to announce that in one month's time I'm presenting at @oshwassociation's Open Hardware Summit 2025. My talk's titled "VanSpoof and F**dG3ar: Reverse engineering proprietary bike components to prevent e-waste" and covers everything involved in designing replacement, open source, parts to repair VanMoof e-bikes.

mikecoats.comI'm presenting at the 2025 Open Hardware Summit
Mehr von Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
#electronics#eBike#hardware
Antwortete im Thread
Öffentlich
rhold

@luebbermann finde diese integrieren Lichter auch problematisch.

Vielleicht schick, aber propreitär: kein Standard sondern Hersteller spezifisch. Gut Licht kann man immernoch durch ein einfaches Licht ersetzen, aber gilt das auch für alle anderen Teile oder macht man sich da Hersteller abhängig?

Bin seit meinem #vanMoof da ein gebranntes Kind.

Öffentlich
Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️

My latest blog post: VanSpoof – A-Muntzing We Will Go

mikecoats.com/van-spoof-muntzi

With my first few VanSpoof prototypes assembled, I had noticed that the L78L05 was sometimes getting a little hot. Instead of knuckling down and calculating more suitable component values, I turned to the tried and tested method of Muntzing to get my power draw down.

mikecoats.comVanSpoof – A-Muntzing We Will Go
Mehr von Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
#eBike#electronics#hardware
Öffentlich
Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️

My latest blog post: VanSpoof - Prototype 1 - Hardware

mikecoats.com/van-spoof-protot

Let's look at building a prototype PCB for my VanSpoof project. I really want to get better at soldering SMD components, so I'm going to try to use as few through-hole parts as I can get away with.

mikecoats.comVanSpoof - Prototype 1 - HardwareLet's look at building a prototype PCB for my VanSpoof project. I really want to get better at soldering SMD components, so I'm going to try to use as few through-hole parts as I can get away with.
#eBike#electronics#hardware
Öffentlich
Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️

My latest blog post: Reverse Engineering a VanMoof e-shifter – Part 2 – Decoding the Signals

mikecoats.com/vanmoof-eshifter

Now we've tapped in to the wiring of a VanMoof e-shifter, let's work out the baud rate and format of the data being transmitted and which format of messages are being exchanged between it and the bike.

mikecoats.comReverse Engineering a VanMoof e-shifter – Part 2 – Decoding the SignalsNow we've tapped in to the wiring of a VanMoof e-shifter, let's work out the baud rate and format of the data being transmitted and which format of messages are being exchanged between it and the bike.
#eBike#electronics#hardware
Öffentlich
Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️

My latest blog post: Reverse Engineering a VanMoof e-shifter – Part 1 – Connectors and Connections

mikecoats.com/vanmoof-eshifter

The most common and dreaded complaint for VanMoof owners is "Err 44". If I can reverse engineer the communications between the bike and the e-shifter, I should be able to build a replacement module that spoofs the original. Let's identify the wiring involved.

mikecoats.comReverse Engineering a VanMoof e-shifter – Part 1 – Connectors and Connections – mikecoats.com
#eBike#electronics#hardware
Öffentlich
Markus Udosson Bo

920€ Reparaturkosten weil die Elektronik im #VanMoof #S3 verreckt ist… Auch wenn es schick aussieht war es nicht die beste Wahl im nachhinein. Wäre allerdings Garantie gewesen wenn sie nicht insolvent wären.

Nachdem es ein Jahr rumstand da ich auf eine Werkstatt in der Nähe gewartet hab, hab ichs halt doch nach Freiburg gebracht. Nach gerade mal knapp 1000km war es auch noch viel zu neu um es nicht zu reparieren. Vor allem wenn man sich die Neupreise an schaut. Dann halt keine neue AppleWatch. #1stWorldProblem

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