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    How to deterine the motor RPM rating of my Bafang RM G06

    Hey Everyone, I'm trying to determine the RPM rating of my Bafang motor. The code on the motor is BF RMG06 36V250W(9) 20-2101267286-6 (serial?) I believe it's this one: https://bafang-e.com/en/oem-area/components/component/motor/rm-g060250350500dc/ On a full charge of my 36v battery it's...
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    Relay or solid state switch to turn on my 90v DCDC for lights safely

    Hi, I just tried to make a mosfet switch to turn on my DCDC for the bike lights. I wored it so that when the controller is turned on and 5v is present, it would open the gate for the full volts to the DCDC. I want to do this as my battery is 77v and the switches and relays are only up to about...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Hi, i'm having an issue with my controller powering down randomly while in use. I'm using the x4throttle branch with a KT36ZWSRTB-SJT02LB controller. Does anyone know if it's advisable to power my DCDC (used to power my Sempu torque sensor 12v and my BT module 5v) from the blue cable of the...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    This worked for me, thanks so much. I simply soldered a 1k resistor at the back of the plug between signal and ground. I have x4Throttle branch working now with both throttle on x4 and Sempu torque signal on the throttle input. I noticed a few possible bugs that i'll report once i'm more...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Has anyone observed issues with using a throttle on the x4 input? I have a resting voltage of 5v, which seems to be causing the issue as it reads at 4.3v when connected. I have the KT36ZWSRTB-SJT02LB Does anyone know why it's pulled to +5v? It's the same on three identical units i have and...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Thanks Silentguy, I've messaged with Geoff too who also tried to get a Torque and Throttle working. He's used the https://github.com/stancecoke/BMSBattery_S_controllers_firmware/tree/x4throttle successfully, so I'm trying that now. I will report on my progress and hopefully be of use to others...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Hello, I'm trying to get my Sempu T4 Torque sensor working along with a regular throttle, but i'm struggling with the last part of the setup. I have: - KT24/36SVPR-HRD01 controller flashed with the "torque_from_X4" branch of the code - Sempu T4 torque sensor 8-60v version - 36v battery -...
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    LG HG2 Pack problems

    Unfortunately I had no way to see the voltage while under load. If they are fakes they would need to be pretty close in spec as I measured the capacity which checks out and they didn’t get too hot when running at 16A per cell. Sent from my iPhone using Tapatalk
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    LG HG2 Pack problems

    Hi, I've built quite a few packs using Sanyo GA cells and had hardly any issues at all, even when intentionally pushing them to their limits. I've recently built three packs with HG2 cells and had issues with them all. However, i was pushing them to their limits too, so i wanted to ask if...
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    Compact Field Oriented Controller, ASI + Grin, limited run

    This would rock my world :)
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    Compact Field Oriented Controller, ASI + Grin, limited run

    This is a nice update, thanks. I’ll have a test ASAP. Sent from my iPhone using Tapatalk
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Here’s my first project with this firmware, my wife’s stealth school run bike with tandem hitch on for our daughter. Got it working with a Sempu on the YTW-06. Working great with the Bluetooth app, now just fine-tuning the settings! Thanks for all the questions answered and development...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Thanks both, i'll look into these in my next session and I'll make sure to keep notes. :thumb:
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Thank you! :) duly noted Strange as this totally alters the behavior of my motor, works great at 126, if i change it to 140, starts to stutter, practically stops at 70 and starts working again at 40. :wink: I'm not able to determine how to adjust these settings correctly. If it's...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Hi, i'm new to this, but have it working with the app and the motor spinning! I've got the hall order (starting from 12 oclock on the donut, running clockwise) in the right order for my YTW-06. I've set the gear ratio as the effective pole pairs, which is 17.5 * 8 = 140. But the speed is...
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    Long tail cargo bike build

    Looking good :bigthumb:
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    Compact Field Oriented Controller, ASI + Grin, limited run

    I’d like to try this, are there any instructions anywhere? Sent from my iPhone using Tapatalk
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    I'm up for putting some work into this, like updating the documentation perhaps, or maybe a simple video.
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Thanks, i've ordered a little DCDC. I'm all set and ready to flash the controller, but was a little confused by these instructions: "Before deleting, please find out the correct phase and Hall sensor assignment on the complete system with the original firmware. This ensures that the...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Hi stancecoke, You mention using a Buck converter to power the HC-05 bluetooth module, which needs around 30ma at 5v. My current meter shows 40ma from the controller and I have only a PAS running directly from the battery, so would it be ok to run the bluetooth module if it's the only 5v...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    I was trying to install in XP and failed. Tried in Wiindows 10 and it was straight forward. Solved!
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Hi, i'm trying to set this software up and finding it super confusing. I've followed the links in the website linked at the beginning of this thread and can't find what is mentioned for a few links. Where are the most up to date and simple step by step instructions for getting set up? I can use...
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    PSWPower Sinewave Controller w/ regen braking

    QUICK UPDATE Slow Start This KT controller ramps up to full torque quite slowly. Is there any way to decrease the ramp up time? Regen: I've managed to get the Regenerative braking working using the KT LCD3 display and changing the setting C13 to 1. It's not possible to access these settings...
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    Controller to work with Sempu BB Torque Sensor

    A KT controller with opemn source firmware, but not sure how to connect them yet
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    PSWPower Sinewave Controller w/ regen braking

    This explains a lot about what is possible with the KT controller: https://opensourceebikefirmware.bitbucket.io/windows_instructions/index4.html There'sa connection on the circuit board to make the regen linear, so i'm going to try and wire that up. Incidentally, this is also the connection...
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