[PSUBS-MAILIST] Vesc motor temperature display

Tue Jan 8 01:10:52 EST 2019

Hi Alan,
I've been (and still am) tied up with other things - had a quick go at
replicating but mine aren't working now (maybe it's an app update).

Of the 3 temperature values, I think the one in large text is the VESC
temp, the Greek symbol is the motor, and Max is probably the maximum either
has reached.

Cheers,
Steve

On Sat, Jan 5, 2019 at 12:15 PM Alan via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Aussie Steve,
> some success at last thanks.
> I managed to get one of my 3 bluetooth modules up & running & sending
> data from the Vesc to my phone.
> I can see motor temperature but Can't see Vesc temperature. Above mot.
> there
> is max! The max temperature is similar to the motor temperature; is this a
> record
> of the max temperature the motor has gotten to, or default because I
> haven't
> put in any settings yet, or is the max meant to be the Vesc temperature?
> Also there is a little drop down at the top ( in picture "esc monitor
> now") that I can't seem to get rid of & are not sure of it's meaning. There
> seems to be a vibration happening, again this may be an alarm because I
> haven't put in any settings.
> Have attached a couple of screen shots.
> Any thoughts would be appreciated thanks.
> Alan
> [image: image1.JPG]
> [image: image2.JPG]
>
> On 3/01/2019, at 10:36 PM, Alan via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Thanks Steve,
> I have renewed hope!
> I have the 2 apps Vesc monitor & Esc Monitor. As said, couldn't see motor
> temp in the monitoring list for either of them but it may appear after I
> have
> bound the correct bluetooth to the app & configured the settings.
> I have 3 bluetooth modules & was suspicious that the jaycar module which
> was designed for arduino wasn't working with the Vesc. I do have an HM-10
> module & I'll play around with that tomorrow.
> Cheers Alan
>
>
> On 3/01/2019, at 1:57 PM, Stephen Fordyce via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hi Alan,
> Apologies for the delay - I was away enjoying summer!
>
> I mostly use the the Android app "ESC Monitor" by Ackmaniac, which
> definitely displays motor temp if available (it may not be labelled very
> well is all).  The app:
> https://play.google.com/store/apps/details?id=ackmaniac.vescmonitor
> The app and a phone in a waterproof case are what I use for monitoring via
> bluetooth.  Use these instructions to get it working:
> https://www.electric-skateboard.builders/t/vesc-monitor-android-app/20888
>
> It uses a cheap "HM-10" bluetooth module, like this one:
>
> https://www.ebay.com.au/itm/AU-2Pcs-BLE-Bluetooth-4-0-HM-10-AT-09-CC2540-CC2541-Wireless-Transceiver-Module/153251503984?hash=item23ae805f70:rk:1:pf:0
>
> See how you go and I can help with troubleshooting if needed.
>
> The Metr/Perimetr apps which go with the expensive dongle are excellent
> and the dongle well worth the $$$ for testing.  You can change the VESC
> configuration/settings and even do firmware updates apparently (I am
> running custom firmware) via bluetooth this way - saves a heap of messing
> about opening housings, etc.
>
> Cheers,
> Steve (the Aussie one)
>
>
>
>
> On Tue, Jan 1, 2019 at 9:42 AM Alan via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Jon,
>> thanks, it is using a 10K NTC thermistor but the power to it runs through
>> a
>> small pcb in the motor that is also used by the hall sensors. I have
>> sealed
>> the wires out of the motor, so it's not a reasonable option to separate
>> the
>> thermistor from the pcb. And again I am needing the reading from this
>> thermistor
>> to go into the esc for over-temperature control.
>> The Esc attaches to a computer via a usb connection. I am not sure what
>> protocol is used to transfer this data. At some stage I am wanting to be
>> able
>> to display all this data ( motor & esc temperature, Voltage, Amp draw,
>> rpm, run
>> time duty cycle) on my HMI. But at the moment just looking for the motor
>> temperature.
>> I am on holiday at the moment & will have another determined look at this
>> when
>> I get back!
>> Cheers Alan
>>
>>
>>
>> On 1/01/2019, at 2:15 AM, Jon Wallace via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Alan,
>>
>> I'm not familiar with the motor.  What is the protocol the temperature
>> output is using, analog, I2C, SPI, serial?  Arduino can handle all of
>> those, just output to either 7-segment LED or a 16 character LCD.
>>
>> LCD Shield Kit w/ 16x2 Character Display - Only 2 pins used!
>> <https://www.adafruit.com/product/772>
>>
>> Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Green
>> <https://www.adafruit.com/product/880>
>>
>> Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Green
>> What's better than a single LED? Lots of LEDs! A fun way to make a small
>> display is to use an 8x8 matrix or ...
>> <https://www.adafruit.com/product/880>
>>
>>
>> LCD Shield Kit w/ 16x2 Character Display - Only 2 pins used!
>> This new Adafruit shield makes it easy to use a 16x2 Character LCD. We
>> really like the Blue & White 16x2 LCD...
>> <https://www.adafruit.com/product/772>
>>
>>
>>
>> ------------------------------
>> *From:* Alan via Personal_Submersibles <personal_submersibles at psubs.org>
>> *To:* Personal Submersibles General Discussion <
>> personal_submersibles at psubs.org>
>> *Sent:* Monday, December 31, 2018 3:36 AM
>> *Subject:* Re: [PSUBS-MAILIST] Vesc motor temperature display
>>
>> Hi Steve,
>> thanks but no it was Aussie Steve, I should have been more specific.
>> He is familiar with my motor controller.
>> The temperature sensor is powered from the Vesc motor controller
>> & the signal returns to the Vesc. Also the Vesc has the over-temperature
>> cut back that you mentioned. I don't want to disable this by running
>> the temperature sensor from a different power source.
>> I can get the temperature reading on my laptop, but don't want to take
>> that out in an inflatable.
>> Cheers Alan
>>
>>
>> > On 31/12/2018, at 10:58 AM, Steve McQueen via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>> >
>> > Alan, not sure if I am the Steve you were pinging, but to me the first
>> question would be where/how are you wanting to measure/monitor the
>> temperature?
>> > Some of the more sophisticated thrusters have overtemp sensors built
>> in. Understanding the sensor type (thermocouple, RTD etc.) and how it is
>> installed will lead to ways of monitoring/reading it
>> >
>> > Thanks,
>> > Steve
>> >
>> > ---- Alan via Personal_Submersibles <personal_submersibles at psubs.org>
>> wrote:
>> >> Steve,
>> >> if you are listening in.
>> >> I have pool tested my 6374 thruster & have it nearly ready for testing
>> >> on the back of an inflatable.
>> >> There are 2 android apps that I downloaded, "esc monitor" & "Vesc
>> monitor,
>> >> neither display motor temperature which is the main condition I want
>> to see.
>> >> The "Vesc tool" app for androids requires an expensive dongle that
>> will take
>> >> ages to get here.
>> >> Any ideas on the easiest way to monitor my motor temperature?
>> >> I have hall sensors, so power from the Vesc is supplying the
>> temperature
>> >> & hall sensors. Have a couple of arduinos & a raspberry pi sitting
>> around
>> >> if they can be used.
>> >> Dead keen to have a holiday out on the water towing a lure around but
>> >> stuck at home till I sought this out.
>> >> Cheers Alan
>> >>
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