Hi!
During this summer I might make a batch of 10 -ish VESCs (possibly the smallest VESC to come), as I've given myself a challenge to design the smallest VESC I possible can, targeting the FPV Drone domain. I'm aiming for 1-5S, 20-40A. And the goal is to simply try to make it in the smallest form factor possible. Which will be interesting considering heat dissipation.
If anyone finds this interesting, let me know !
I have Flipsky 75100 75V 100A controller, and reverse button there works something strange - it does not reverse, just slows down rotation. And problem is that this issue is inconsistent: when VESC is connected to USB, reverse button works as usual.
here is video with demontration of the problem.
Hello all!
I have a china escooter (kugoo g booster)
and wanted some more power from it,
i bought 3 Flipsky's 75100, one for any bad case but all went bad... checked the fets and from 6 fets 3 were burned...
one motor has 1200w peak, it has 2, sensorless
-config 2 vescs via can, and a bluetooth module
50 amp max per esc
absolute watt 2000 per esc
absolute amps 85 per esc
battery 62v (67.2) 29.8 ah
brake amp 0
i only used throttle, no e brake
Hello! First post here.
I've been working on a niche project, and would appreciate input from more experienced hardware designers, and some guidance for customizing the firmware for my design (probably start with 75/300 config files as they seem closest to my design).
Some background on the scooter:
Hello All,
I am trying to get a Flipsky Electric Skateboard Motor BLDC 5065 270KV 1550W to work using a Flipsky V4 VESC driver.
finally off the bench and on the street, pulled away slowly all good, decided to try a little faster, and yes a little faster.....a very little...
vesc app shows 70-90 amps, watts shows 5-600, battery is about 75v....even the math doesnt work...
Bms app shows about 7a, and 500w, it doesnt even match acceleration to the 350w folding but I guess its 4x as heavy.
makerbase new 84200hp v1/a, 20s/84v, mxus 3k turbo
Working with AMC1200 HI side CURRENT SENSING
Red LED-- FAULT UNBALANCED CURRENT
VDD2 = 3V3 to GNDD
Swing from OFFSET expected 1V to VDD2 and 1V to GNDD
How to remove error of low offset of 1560
What to change in COD to lower threshold for fault flag.?
Thanks.
Hi, I am trying to develop my own 75V 100A vesc based on 75300 hardware.
My first prototype runs motor pretty well, but the phase current looks a bit noisy.
So I replaced shunt resistor 0.0005R →0.005R as I read on one article how to reduce the current noise.
and also I modified to source code to
#define CURRENT_SHUNT_RES 0.005 as well.
But the strange thing is that the measured motor current on VESC TOOL is about 10 times higher than before.
The input battery current is similar as before.
There’s a possible fault on mine, the ‘sw’ connection only works every 2nd toggle to switch and the voltages dont seem right. ie
h = on sw=3.25v
l = off sw=0v
h = on sw=3.0v <-----
l = on sw=0.125v <------
h = on sw=3.25v
l = off sw=0v
repeat…
SW line is connected to my bike alarm/ign. control is via pc123 opto-coupler as the output is 84v. vesc GND and SW are connected direct to opto-coupler.
Hey there,
like the tiltle states, i have successfully destroyed a Flispky FSESC 75350.
Problem is, i am not quite sure about what exactly happend and how to avoid it when the next controller arives.
So i was installing the FSESC on a stock sur ron with stock battery(90A BMS) and engine.
Because i was dumb and thirsty for power the battery current was set way too high(150A).
