Saturday, December 11, 2021

Reverse engineering the Laotie Ti30 scooter LCD display - part 2

Most e-Scooters and other Electric Vehicles have some form of Electronic Speed Controller (ESC) which is responsible for delivering a power signal that will spin motors at the desired speed. The most common type of motors today are of the BLDC type (Brushless DC motors), which are typically driven by a 3-phase current.

Sunday, December 5, 2021

Reverse engineering the Laotie Ti30 scooter LCD display

One thing about these types of electric vehicles is that there is very limited care for normalisation, when it comes to allow different components to interoperate. Especially in respect to the digital communication between the parts of the system, one cannot expect any baseline currently.

Friday, December 3, 2021

Exercising the right to repair - DYI fixing a Volkswagen Polo 6C windscreen wiper stalk (no parts replaced)

I just went on holidays and did a road trip. Because Murphy is always lurking, I was taken by surprise with runaway window wipers. No matter what position of the wiper stalk, these would run in intermittent mode all the time, as long as the ignition would be on.