Recent content by erwincoumans

Great, I ordered one and wonder if I get 4.12 still? I like your PNG of the silkscreen with the component numbers. I can't find those on Vedder's github repo. Could you also share a PNG of the other side of the PCB? Did you use Kicad to create those PNGs?

I was new to SMD hand soldering and within a few weeks learned VESC assembly by hand SMD soldering, using microscope, hakko soldering iron and hot air. Using hand soldering seems a good SMD technique, although it takes time and patience. Do you suggest that using a reflow oven is easier to...

I hand soldered several working VESC from bare PCB, and used: 1 stereo soldering microscope https://www.amazon.com/gp/aw/d/B005C75IVM/ref=yo_ii_img?ie=UTF8&psc=1 hakko fx-888d soldering iron heating gun, needed for DRV8302 ground pad and to fix issues flux, tweezers, leaded solder I didn't use...

That is convenient. I didn't realize that the VESC is 4 layer, I thought it was just 2. It would be great to have such a public link to order ready-assembled VESC in small batches (ignoring the high price for now). Right now it is very complicated to order assembled VESCs, because the number of...

Get the stm discovery kit, it has an st-link onboard. It is cheap from Amazon, and you can use Vedders UART code on it. The separate st-link v2 programmer never worked for me.

You seem to run an old VESC furmware, can you try with the latest one? Also, I would leave UART speed default to 115200.

I just tried it and none of my sensorless motors with with original e-go ESC, it seems to require Hall sensors. The phone-app reports 'hardware error'. The original motor has Hall sensors. The VESC does detect the Hall sensors and works in sensored mode. I used my own hand-soldered VESC's...

A dual motor setup requires two ESC's, so no, stock e-go has only a single ESC. That's why I replaced the ESC by two VESC's, then your dual motor kit will work (use a splitter cable to power the two VESC's using e-go battery pack. A single hub motor maybe possible with stock e-go ESC,I need to...

I still have your dual hub motors here (they work fine with my custom patch). I could hook up a single motor to the original e-Go ESC, if I find some time. I've used the hub motor with dual VESC on the E-go with original battery, works fine.

I find a hub drive to be closest to regular skateboard when coasting, so if smooth coasting is your goal, contact Pediglide. With more advanced encoders in motors, (V)ESC software could me modified to compensate for friction, cogging etc, but that needs significant work. Such compensation (and...

I've done a lot of experiments modifying E-Go with single and dual motor setup, with and without sensors. Here is a dual-motor setup, with the $299 dual Benchwheel power kit and dual VESC that I hand-soldered. The acceleration and speed feels similar to my dual 2000W Boosted Board, but I haven't...

Great, I just tested it with my STM32 Discovery and it works well. Only the 'val' command uses UART, all the other commands (help, info etc) don't require VESC. The 'val' command indeed returns the values in the terminal: ch> val ch> Input voltage: 26.29 V Temp: 24.29 degC Current...

Congrats, this looks great. It might help to keep a few extra cm. distance between Arduino /nRF24l01 and ESC (especially mosfets). Also the nrf24 version with PA+NLA+longer antenna might be better. What mill did you use to mill aluminium? How did you attach pulley to motor shaft? Did you grind...

Yes, I got this controller too, it was $49 a few months ago, it works well with the VESC and other ESCs. Here are some pictures related to it with pin-out (use the 3 pins on the inside of the 6 pins PCB next to the MCU) It also has a speed selector function:

I got the Benchwheel kit and the motors are not sensored. Startup is great using VESC, there is a small belt transmission ratio. With some work, you could add sensors in the caps that cover the shaft/pulley. For example you could add hall sensors in the caps, similar to boosted board, or add...