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Ebike electronics

During the development of my solar-powered bicycle, the Maxun One, I had to delve into electronics for e bikes and I have developed a lot of special electronics myself. In the following articles, I will share my projects.

Ebike electronics

Open source robust passive two-wire bus

Abstract To reduce the cabling on an ebike, I have developed a simple, but very robust, 2-wire control bus. The signal and the power supply go together with in total two wires: GND and 5V. Th...

Problems with Kunteng S06P / S-KU63 motor controllers

With this article I would like to draw attention to the fact that I would like to use the Kunteng controllers for my projects, but that Kunteng does not respond to complaints via email that the con...

Kunteng sensorless control doesn't work

With this article I would like to draw attention to the fact that I would like to use the Kunteng controllers for my projects, but that Kunteng does not respond to complaints via email that the con...

DIY adjustable 1A to 5A ebike battery charger

Related articles Ultra fast charging batteries for e-bikes Battery management system (BMS) with internal resistance (IR) compensation Introduction The Amazon battery charger is particularly...

How do torque simulation motor controllers work?

Torque simulation controllers do not control torque In recent times, there has been a surge in the marketing of motor controllers as torque simulation controllers. This led me to assume that these...

Battery management system (BMS) with internal resistance (IR) compensation

Related articles Lightweight high power flyback converter / battery charger with the CR6842S Ultra fast charging batteries for e-bikes Why IR compensation is required IR compensation is a w...

Lightweight high power fast battery charger

Related articles DIY adjustable 1A to 5A ebike battery charger Ultra fast charging batteries for e-bikes Battery management system (BMS) with internal resistance (IR) compensation The chall...

Repairing ebike motor electronics

Related articles S-KU63 e-bike square wave current controlled motor controller Motor controller Repairing any ebike mid-drive or hub motor electronics with an external Chinese motor controll...

DIY high power daytime running light for ebikes

For my e-bike on solar energy, the Maxun One, I developed daytime running lights (DRL). These are mounted inside the rounded corners of the two solar panels. The challenge was to produce the maximu...

Bontrager Ion 200 RT teardown, what inside?

The Bontrager Ion 200 RT /Flare RT light set is one of the best daytime running light for bicycles. It is not only very lightweight but also highly visible at long distance. The light set is of a p...

Pedelec legalisation device

Introduction Many Chinese motor controllers can be used without pedalling, which is not allowed for pedelecs. Here we need additional electronics that adds the extra functionality to meet the EPAC...

High-side n-channel MOSFET driver with LM5050-1

High-side 75V n-channel MOSFET driver for BMS Note: the bq78PL114 is not available anymore and is replaced by the BQ34Z100. With the Li-Ion battery controller bq78PL114 from Texas Instruments, an...

Motor controller

Related articles Repairing any ebike mid-drive or hub motor electronics with an external Chinese motor controller S-KU63 e-bike square wave current controlled motor controller Motor controll...

Review capacity cell balancing BMS "AE-LMD17 REV A1"

BMS AE-LMD17 REV A1 discharges the battery I found out that my battery is discharged in a few months by the AE-LMD17 REV A1 BMS, so I can't use it. The battery voltage drops below the lo...

Battery management system BMS

Intro A battery management system (BMS) is an electronic system that manages a rechargeable battery. A BMS that only contains battery protection is a so-called protection circuit module (PCM). Re...

Kingpan half-bridge 36V 8A fast battery charger

This article is outdated, go to the new article HERE. Why is a lightweight charger needed? Because I want to fast recharge the e-bike LiFePO battery during a trip, I need a lightweight mobile cha...