FlipSky 75100 Pro V2

WarrenC

WarrenC

100 µW
Joined
Sep 5, 2020
Messages
8
Location
Singapore
Hello everyone, i just placed an order on the "new" 75100 Pro V2 (apparently now the controller supports on/off switch and does not require an external anti spark switch thingy.)

Just wondering, has anyone already bought theirs and tested?
How is the performance, any overheating?
Any changes internally other than the on/off switch?

flipsky.net

Flipsky 75100 Pro V2.0 With Aluminum PCB Based on VESC For Electric Skateboard / Scooter / Ebike Speed Controller

Flipsky 75100 Pro V2.0 With Aluminum PCB Based on VESC For Electric Skateboard / Scooter / Ebike Speed Controller
flipsky.net flipsky.net

IMG_9097.jpeg
 
Not yet, I still have the original version I am tinkering with.

I had been loosely following the thread on the esk8 forum since they have a very in depth review, troubleshooting and custom firmware linked there of the various 75100 and some closely related knockoffs. By all accounts the addition of the aluminum heat sink makes a big difference for performance. Still seems like it needs firmware changes out of the box which is a little ridiculous but that's what you expect from flipsky. They changed their directions on their own website to match some directions from the esk8 thread about phase filters AND that on/off switch feature you mention was a mod that one of the forum members made and posted to the same thread. Obviously someone in the company is watching their customers' work to improve their product and making some changes to the versions after the concept has been proven.


forum.esk8.news

How to update firmware on the Flipsky 75100 & 75200 FOC ESC

This 84v 100a ESC can often be found on AliExpress for under $100 shipped. Flipsky used to claim that the firmware cannot be updated and won’t release the source code, so I worked out the hardware config and compiled custom versions. Those versions are now part of the VESC Tool. However, a...
forum.esk8.news forum.esk8.news
 
WarrenC said:
Hello everyone, i just placed an order on the "new" 75100 Pro V2 (apparently now the controller supports on/off switch and does not require an external anti spark switch thingy.)

Just wondering, has anyone already bought theirs and tested?
How is the performance, any overheating?
Any changes internally other than the on/off switch?

flipsky.net

Flipsky 75100 Pro V2.0 With Aluminum PCB Based on VESC For Electric Skateboard / Scooter / Ebike Speed Controller

Flipsky 75100 Pro V2.0 With Aluminum PCB Based on VESC For Electric Skateboard / Scooter / Ebike Speed Controller
flipsky.net flipsky.net

View attachment 343246
Click to expand...
I have used both the 75100 and the 75100 pro, and I can say that the pro version is definitely an improvement with respect to the heat dissipation. I found the 75100 to overheat after a couple of miles on every journey, ie it cuts the power down and eventually cuts it out too often. The pro version has never given me any problems whatsoever and I’m running a 52v 1500w hub motor on throttle only. Sometimes 10 to 15 miles each way every day.
 
Has anyone tried to install a gear switch? 1/2/3 for these vesc like a conventional ebike controller?

I would prefer having gears so that i wont overspeed / wheelie everytime i move off..
 
Gear switch? do you mean speed switch?
 
I haven't seen a 3 speed switch done for a VESC yet. I have seen some handheld vesc controls (for eSkateboards etc...) have profiles but I think all that logic is in the control unit and not the vesc. When I switched to a vesc; I had been using a 3 speed switch on a different controller but I don't miss it; the throttle control is so tunable I see no need for one anymore in my case. You can try lowering your phase amps or adjusting the throttle curve.
 
I haven't seen a 3 speed switch on anything but the infineon controllers circa the early 2010's :(
 
I guess you're the tester now, hehe.

Let us know how it goes with this. In the past i was hesitant to order any thing RC based because it seems like most components in that world are overrated to hell.
 
Hi, i have the 75100 v2 on order for a 52v power wheels project I’m building, wondered if anyone knows the voltage output on the power switch as I’m hoping to also throw a relay to activate my 52v to 24v converter for the legacy parts of the car at the same time, is it battery voltage or something else like 5v etc. I notice it’s 3-wire, is that for button illumination or volt readout I’ve seen on some handlebar switched throttle? If so could that help me?
 
I believe it's Vbat and the ground is just used for voltage meter or button illumination. At least it's listed as so on the 75200 and I'm pretty sure all it does is apply the Vbat to the voltage regulators that power the board so you need to have it connected. I think the switch they come with is has illumination although possibly only at higher voltages (didn't light up when I tested it a lower voltage) the switch is marked "110V" like it's an AC switch so probably just has a resistor and LED inside so much be dimmer at lower voltages.
 
Thanks for that, I’m also keen to get a functional hi/lo speed ‘switch’ as above. Seems to be a troublesome ask of this controller. Is it possible to wire a potentiometer through the return from throttle into adc to limit max throttle input to say 50%? I’m a little confused on the whole floating voltage thing and what an added pot would do to that. Also if introducing it on a switch could cause a moment of ‘full throttle’ as it switches over from direct and ‘via pot’. Or is my thinking back-to-front?
 
Technically the ADCs should have some sort of pulldown to prevent that (although it would probably be so brief as to not do anything) and most do but I've seen some evidence that a few very poorly designed boards do not, easy enough to test though and I guess you could add a pulldown if needed. Also I think 6.05 might have the option for changing modes via an ADC, I recall hearing something about that. That would allow for a more advanced setting where you could also limit speed and such.
 
Thanks again, do you know where I can find any details of the ‘mode’ switch input by firmware?
 
Ashy87 said:
Thanks again, do you know where I can find any details of the ‘mode’ switch input by firmware?
Click to expand...
It's not in the current release, I thought I heard it will be in the next one but might not be. If you're going to be using it like I think you are, setting it to a low power mode when other people drive it, probably just easy enough to use the phone app to switch profiles for now.
 
If you make a bit of effort, VESC now includes a scripting language, lisp, that could easily be used.

Just set up your 3 speed switch onto 3 input pins, read them from lisp (find appropriate examples in the examples library) and then set the max current, max rpm, max power... whatever you want to limit... from lisp.
 
In re different switch/speed settings, I started off with a Flipsky 75100 three months ago and ended up upgrading to the V2 Pro after it blew a fet. Before that, I was using a Cycle Analyst / Phaserunner setup, the latter of which ended up failing. I explain all this because I still have the Cycle Analyst. Let me quote part of the user manual to help explain the relevance:

The V3 Cycle Analyst is not like a typical ebike display interface that
communicates with one particular model of motor controller. Instead the CA3 is
designed as a more universal display and control unit. To achieve this
universality, it reads existing signals already present in most EV drives to sense
the power and speed of the vehicle, and then it regulates the motor power
through a common throttle signal.

This is an important concept to understand; the CA3 does not "communicate"
with your ebike in the same manner as proprietary display units. Rather it taps
into analog signals already present inside a motor controller and interprets them.
It then sends what it thinks is the most appropriate throttle voltage to your
controller for generating a target amount of power from the motor.

As far as your motor controller knows, the V3 Cycle Analyst is just a throttle
device. The CA3 can't change any internal controller settings, or make the
controller do anything more than what you could do via deft manipulation of a
normal throttle.

https://ebikes.ca/amfile/file/download/file/35/product/466/
Click to expand...

With that understanding, the analog signals being described / tapped into is both ends of the shunt resistor. The Cycle Analyst doesn't need that connection to take the input voltage from a typical three wire throttle and send whatever preconfigured throttle out voltage, which you connect to one of the ADC pins on the Flipsky. The only thing the Cycle Analyst really needs is V+ and V- from the battery, which I provide with a custom harness terminated with XT90s going to the Flipsky and 18AWG wires in parallel terminated with an XT30, which ends up terminating to a JST connector connected to the to the CA, but I digress.

The CA can be configured to take input from a digital switch and have it switch between different throttle settings/profiles that ultimately affect the throttle voltage signal on the pin connected to the ADC input on the Flipsky. Since I already had a CA kicking around and some general familiarity with how it works, this solution was easiest for me. It's also an extra $150 if you don't already have kicking around (CA-SA)

Though I might try taking a swing at coding a solution in LISP. I'm kind of annoyed this functionality isn't already baked into VESC as an ADC control type.
 
I am genuinely curious what people use these power mode switches for, I've honestly never felt the need even with bikes that have far more power than I normally use. I can see being able to switch controller modes for instance but I've never felt a need to just switching throttle/current limits.
 
Please Ebs1971,
Could you provide me with more details regarding your 52v 1500w motor.
Best Regards
ps: Hope my question is not too off topic.
 
regarding speed switches, I saw this handy device the other day. Looks like it has 3 speed pots for the throttle signal. Still wont convert a torque throttle into multi speeds.

Seems like a handy breakout module for lights and switches too.

spintend.com

Ewheel ADC adapter V3 for diy ebike escooter with vesc

The Aadapter is compatible with normal ESC and all other VESC. All in one function adapter for diy Electric skateboar Escooter with VESC : Horn, Head light, Turn Signal light, Brake and rear light, and reverse light support. High, middle, low, 3 level throttle support. Motor reverse and cruise...
spintend.com spintend.com
 
DanGT86 said:
regarding speed switches, I saw this handy device the other day. Looks like it has 3 speed pots for the throttle signal. Still wont convert a torque throttle into multi speeds.

Seems like a handy breakout module for lights and switches too.

spintend.com

Ewheel ADC adapter V3 for diy ebike escooter with vesc

The Aadapter is compatible with normal ESC and all other VESC. All in one function adapter for diy Electric skateboar Escooter with VESC : Horn, Head light, Turn Signal light, Brake and rear light, and reverse light support. High, middle, low, 3 level throttle support. Motor reverse and cruise...
spintend.com spintend.com
Click to expand...
Has anyone fitted one yet, I just ordered one hoping all goes well.
 
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