Sorry I really can't remember but it was probably a bodge of some kind :)

What do you achieve by doing this? a) you have no solid reference from which to assess your twist grip throttle position and b) If differential power is applied particularly during cornering then you could end up with a turning moment leading to skidding. But hey - give it a try and let us know (I really don't recommend this though)

@@richard_wenner A slight leaning curve here. This will be mostly for slopes and achieving high speed slowly, not for stop jerk motion. First the rear motor will be powered and later it shall be assisted by the front motor as per requirement . This way all the required power will be supplied slowly and- the front wheel will not skid while spinning fast. Sequential power!!

@@MangoCitizen 4 wheel EVs have sophisticated processors with feedback to maintain precise traction control (and anti-skid breaking). Not sure how you could sense this from your two wheels whilst still trying to hold on and steer via the handle bars.

Sorry I don't know where this stuff is any more

Have you understood the complete video - with both options?

@@richard_wenner Probably not. I only see using Serial Adapter (Tx-A10 + Rx-A9), but nothing when using STLink v2. Need to do anything else with the STLink v2 before Uploading the Blink program from Arduino IDE at 2:04

@@jonathanlau7521 You just have to ensure that you select the correct output to target. I think everything else should be set for you. Good luck.

I'd forgotten all about this sorry. I'll try to go back and look but am really busy at the moment. Apologies.

@@richard_wenner Thx. I typed it in by hand anyways.

@@vogel431 Thanks for letting me know. (Clears one thing from my ToDo list). Best of luck.

Thank you.

Happy cycling.

Mmm yes, I have the same fear with one of my bikes that has an aluminium frame. It's light and I can weld it if necessary BUT I'm aware of invisible weakness and fracture failures that are bound to happen over time (particularly with the ever growing number of pot holes here). The other thing is the adoption of torsion bars. Again, ordinary bike frames do not consider the level of torque that modern motors can produce. Thanks for your contribution and happy cycling! :)

Glad you liked it.

Which version are you using?

@@richard_wenner 2.2.1

It is not (for use on UK roads). I'm working on an acceptable route to legality.

Thank you. I only wish I could find my full version of this video that this comes from. :(

Thank you. I only wish that I'd kept the complete video that this was part of. Have you played with 'Meshtastic'? It's a great tool for teaching practical, low cost. IoT based RF, I'd have thought.

PS - Are you likely to press Ctrl-Z on Brexit? Asking for a friend..

That ship has sailed but the obvious action, in commercial terms, would be to return closer to our largest trading partner. Although, with worrying EU moves towards the right, any form of political is a non started.

I avoid the imperative hoping that viewers can arrive at their own conclusion. As I sat considering the current situation I could not help but think of the 'boiling frog' and pleased that we are now released from this tyranny, for the moment.

There should be a link at the very base for the full source. 1 kzbin.info/www/bejne/fZXaqWaPnKemhqM George Eustace 2 kzbin.info/www/bejne/gInTg4Vqfcl7ea8 Sajid Javid 3 kzbin.info/www/bejne/eaCQqp6Fga6bY5o Matt Hancock 4 kzbin.info/www/bejne/Y2nPfYarra2Sg80 Dominic Raab 5 kzbin.info/www/bejne/r3SQq2p9d5eNjJI Bill Cash 6 kzbin.info/www/bejne/hmLPaJyJbLeofKc Alok Sharma 7 kzbin.info/www/bejne/hJuZnaGVfJ2rq7s Chris Grayling 8 kzbin.info/www/bejne/r3mXhHyJrdRoa6M Kwasi Kwarteng 9 kzbin.info/www/bejne/ppm8iWmdm6l3Z6M Paul Scully 10 kzbin.info/www/bejne/q5SsnaqojLqojdU Theresa May 11 kzbin.info/www/bejne/gaGamZuGYrF_jac Brandon Lewis 12 kzbin.info/www/bejne/fqmUeIycqZuHnLM Nadhim Zahawi 13 kzbin.info/www/bejne/mJ2bmo18Z9J7gNU Chris Heaton Harris 14 kzbin.info/www/bejne/jXvXiqhva7KJj6s John Redwood 15 kzbin.info/www/bejne/pGrTlJ97bsR6ebM Michael Gove 16 kzbin.info/www/bejne/aaO6Y4p4g853qrc Andrea Leadsom 17 kzbin.info/www/bejne/f2SaoWuLm9OjhNU Nadine Dorries 18 kzbin.info/www/bejne/b56nnnRnfN-eis0 Owen Paterson 19 kzbin.info/www/bejne/goTWanuZlrZmic0 Neil Parish 20 kzbin.info/www/bejne/b4uWm31thairebs Chris Pincher 21 kzbin.info/www/bejne/g5yWgHysrad7etk Scott Benton 22 kzbin.info/www/bejne/nILOXqmXlqmfh5I Peter Bone 23 kzbin.info/www/bejne/rGayo6GaebRnlc0 Boris Johnson 24 kzbin.info/www/bejne/fnW9qWypqLd6o5o Full story

Thank you.

Cheers

Brilliant! Happy cycling.

I have a quick question does the pedal assist work on both motors

are u in the uk and how hard was it to register it as a moped and all that?

I'm sure mine came from China but I'm now only using these as a front end to a far more complete Arduino/GPS device.

Thanks - best of luck. Do please keep me updated. I'm now looking at a quad following my tri kzbin.info/www/bejne/eZ-tYp6PgrOVrtUsi=XIQsfM0Amn3Mqtlq

@@richard_wenner you are building a quad for two?

@@davidcarr2649 or a quad for four although I think this would definitely cause interest with the local fuzz. AliExpress appears to have many cheap go-cart bases with steering and suspension for about £600 which appears to be great value (if they will ship them to the UK). btw that meter reference is here:- www.amazon.co.uk/Precision-Analyzer-Consumption-Performance-Backlight/dp/B07M5XD4G9/ref=asc_df_B07M5XD4G9/?tag=googshopuk-21&linkCode=df0&hvadid=309857966843&hvpos=&hvnetw=g&hvrand=16471503113968056366&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9045425&hvtargid=pla-633698426290&psc=1&mcid=d352271c4f853e24921bdd00189b61d5

Thank you.

I don't think I was

As a spread spectrum technology it is perfect for layering/sharing RF signals across a wide frequency band (like WiFi). Remember the LoRa packets are very, very short and there are additional provisions within the LoRAWAN stack to increase the resilience of the system as a whole. Obviously performance is better in rural/quiet areas but again in built up areas (radio noisy & relatively hostile) the use of more concentrated nodes (like mobile phones) can also be used but I've no information about any areas where saturation has occurred.

Thanks

Thank you.

My pleasure - thank you for your comment. It makes these things worthwhile.

same bud but windows throws an error about unrecognized usb device edit: i got it working

Same here but on MacOS. I get "Failed uploading: no upload port provided" and the only available port is Bluetooth-incoming-port. UPDATE: I managed it to work and MacOS/Arduino IDE see the virtual USB.

oh bruh you just need to upload a blink sketch using arduino ide

@@Reyhank45Music Arduino IDE just errors trying to upload anything to it including the blink sketch.

@@davidh1187 upload method : STM32CUBEPROGRAMMER(SWD)?

Thank you. 3 Wheeler break down? You can always pedal. kzbin.info/www/bejne/qqbOZniei5Wbibcsi=EZgtxXAVcKOR1gLv but I don't

kzbin.info/www/bejne/eZ-tYp6PgrOVrtUsi=XwHcQW2aiozYMOD2 Turned out to be a good 2 seater too! :)

I 've seen, on Cube you can define in Debug a procedure to flash the device to use the same program the bootloader / arduino package offers. Run > Debug Configuration > C++ Application > Main > C++ Application > [command to flash] [arguments]

Thank you.

You could use a multipole switch or relay to flip between the required connections I suppose but take care. What is it that you expect to get back?

Hi Richard, I was hoping to connect two controllers and one LCD display and one throttle. The reason being; battery level, speed, distance traveled. I know the Voillamrt controllers with LCD display have different wiring, and was hoping to avoid two separate displays and two separate throttles. I don't know if this is possible. Thank you for your response.

@@dennisfilek5652 Have you the full connection details of the units you are using?

Hi Richard, These controllers have the usual wiring for the motor, hall sensors, brakes, etc. They also include red, black, and green for the throttle , red, blue, black,green, and yellow for the display with on/off switch.

@@dennisfilek5652 So no description of the function of the wires then?

Cheers

Thank you.

I'll put it on the list to be looked at but I'm currently snowed under with requests and productions. Sorry.

Mulțumesc

Thank you

The difference is that the phasing of the motors on a hover board do not matter - blade positioning between the two is irrelevant whereas the feedback from each motor on a bike varies with size of wheel and differential distance travelled.

@@richard_wenner that is actually correct, thanks for your answer 😊

@@samithawaba895 please let us know how you get on - I'm currently working on an e-kayak

Not seen a dual hub version BUT they would have two run 2 controllers - because of the sync problem I explained in this video. Why do you wish to switch between 1 and 2 motors? I see no advantage in the complication (or dragging an unpowered motor along).

@@richard_wenner I plan to use my bike a little for hunting in the woods, I’m thinking having the front hub with give me better AWD over small obstacles like down trees etc.. there isn’t always a clear path

@@mdvandale I hope that you do not mind me saying but in my experience this kind of manipulation is unnecessarily complex, difficult to control (in the field - no pun intended) and ineffective. Good luck anyway.

@@richard_wenner so your saying the only way would be to purchase one already made with a 2 hub setup, I was hoping their was an upgrade path.

@@mdvandale I believe that what I was saying was - if you have dual hub drive now don't bother to split it into two single/one dual drive. It's not a Land Rover where you have the time and easy controls to switch between the two modes during cycling. The only time I have done this is with a 5 drive hospital wheelchair where the customer wanted to provide a short very high power mode, in case the wheelchair was stuck before a large kerb.

Deep down really shallow? Thank you.

Yes, I had hoped that was clear from my explanation about the phasing of the motor drives (and the impossibility of doing so). This is 2 motors, two controllers, one battery and one twist grip. Hope this helps.

@@richard_wenner thanks bro.

So it's not worth it then? How was the distance testing, and how much do you think it really helped out?

Measure the voltage that comes out of you throttle control on the 48v system. If it is 0 to 5v then there is little reason why the two systems should run from separate batteries. Ensure all -ve supplies are bonded together and +ve supplies separated. Also beware of the polarity of the brake leads. If you are not happy just down rate everything to 36v.

100W IS 50dBm, yes you are correct. It is also 20dBW. I hope what follows clarifies this point and does not add more confusion. The difference is in the units employed. Here we are considering relative and absolute levels. The video does state 'power ratio' (at 2:20) hence the figure you quote. It's a relative comparison and uses logarithms to condense/compress/expand a massive scale into more containable numbers. (It also allows the use of addition and subtraction when considering chains of gains and losses). As my example above states dBm is dB(milliwatts) and dBW is dB(watts) . If you are now happy with the explanation being about the units used you should also be happy that 100W = 0dB(100w). I really do hope that this helps.

Annoyingly I had a load of this stuff but it disappeared when cardiffschools.net was closed

Thank you.