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Showing posts with label LCD. Show all posts
Showing posts with label LCD. Show all posts

Tuesday, December 14, 2021

Reverse engineering the Laotie Ti30 scooter LCD display - part 3 - Encryption Broken!

 

 

In the previous post I had the chance of discovering and documenting most of what there is to learn about the communication between the LCD unit and the master ESC (speed controller) that drives the e-Scooter rear motor.

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.