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A custom BLDC motor controller (a custom ESC)
================= IMPORTANT UPDATE ================= I have written a new post about my open ESC on this page and also updated the hardware significantly. If you haven’t built it yet and if you are...
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ChibiOS on my cc2520+stm32f4 boards
I have created a simple example where I use ChibiOS on my rf boards. You can download it here: rfboard-chibios In order to build it, you need ChibiOS with the ST libraries in the ext directory, which...
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Testing my custom motor controller
I have been working more on my motor controller recently, and this is a brief update on the progress. One of my test rigs is my 1:8 RC car. With this one, I can test the startup torque, the braking and...
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Startup torque on sensorless BLDC motors
One of the major challenges when working on my custom open source ESC was to get good startup torque and low-speed performance with sensorless motors. This challenge has been addressed in several...
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Chosing the right BLDC motor and battery setup for an electric skateboard
Recently, I have been involved with the electric skateboard community because of my custom ESC. I get many questions about motor kv, gear ratio, current, voltage and efficiency. In this post, I will...
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Open Source ESC Video Logging on Electric Longboard
In order to get an impression about what the load looks like while using my open source ESC on an electric longboard, I wrote a program using Qt and opencv to do real-time video overlay logging while...
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Connecting a programmer/debugger to my custom STM32 PCBs
When I make custom STM32 PCBs (such as my RF-mote or my ESC), I use an SWD connector for programming and debugging the microcontroller. The connector is a 6-pin micro-jst connector with 2mm pitch,...
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VESC – Open Source ESC
Post updated 2015-10-09 About this project I have made many updates to my custom motor controller recently and the old post is getting confusing with notes and updates, I decided to write a new post...
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VESC – Writing Custom Applications
Updated: 2015-10-15 The VESC has several extra ports and much extra computational power, so it can be used to run custom user code in addition to controlling a motor. This is convenient when there are...
View ArticleCommunicating with the VESC using UART
Many people have asked me how to communicate with the VESC using UART, but I did not have a good answer since I haven’t written any tutorial about that and the only thing I could refer to was the BLDC...
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