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On further consideration it would be lovely to be able to reprogram the present Lectric ONE controller to be more linear with the throttle voltage signal rather than the present light switch response at 1.35V

At long last I removed the CA-V3 and associated wiring and put it in a box, leaving the ONE in its original electrical condition. A test ride showed nothing had changed - it still goes wide open in PAS 1 or above. Oh, well... I'll either get used to it or not. Thinking back to the Lectric 750...

LOL! Maybe I could use two of them in series to do the 6-speed Smartshift?

PCeBiker, Here's a quick look at why it seems problematic. The cables coming out of the present controller are identified by Lectric this way (using their video so connectors are a little hard to ID completely): 1: Wiring harness cable - thick and short, with a black connector 2: Motor cable -...

6zfshdb, If this was a straightforward ebike I might agree that replacing the controller is an answer, and maybe in the long run that's the only real answer. Alas, it is a Lectric ONE. Besides having the usual array of features such as brake lights, brake cutoff switches, front and rear lights...

I tried to research the controller that Lectric uses in the ONE. Haven't found any information yet. My hope is to find some information about programming it. I'm searching using the wording on the label that can be seen from a video on their help site that details removing/replacing the...

Does anyone know whether the Lectric controller can be programmed using the STM32 ST-LINK software?

Well... Checked voltages and learned some things I didn't wish to learn. Ain't that always the way? First, output from the throttle is from about 0.8V to 4.2V as expected. Next, the controller runs WFO at any voltage over 1.35. Finally a softer start can be achieved with the CAV3 by changing...

Not looking good for the home team: if the controller gets more than 1.35V it goes wide open. Interestingly PAS1 is a slower wide open than PAS2 and above but WFO nonetheless. And CAV3 does help tone down the initial lurch, but no help after that. So it begins to look exactly like what PCeBiker...

RunForTheHills, A wee bit of progress. Lowering the Throttle Up Rate did seem to take some of the lurch out of the startup. Progress! The interesting thing about the throttle response from the Lectric controller now is the WFO (wide open throttle) that occurs after the softer start. The WFO is...

RunForTheHills, Thank you. Headed to the garage to try some of this. Any smoke you may see is probably related to some Anglo Saxon language best not shared... Tom

It becomes more obvious I need to learn the CAV3 throttle niceties. In re-reading the manual (OK, I'm a slow learner), the throttle default is "Pass through." This is exactly what I experienced! Now I need to observe the voltages coming from the throttle, and then from the CAV3 output to my...

PCeBiker, Had to cancel the controller order. In reviewing this video: https://youtu.be/87TaN6IDn8M?si=w6Jm6N9MD4VZDn1B it became obvious the new controller wouldn't have a connector for the Pinion automatic transmission. I'll keep trying to make the present controller work (maybe jousting at...

Ordered one. Continuing this thread at: https://forums.electricbikereview.com/threads/working-to-put-grin-ca3-dps-external-shunt-onto-lectric-one.58997/#post-718929

PCeBiker, Not to that point yet, but probably closer than I like to think... Tom

Here's my latest message from a thread I'm not sure why I continued... I'll continue here because the title seems more fitting :rolleyes: I received more probe attachments today, so I'll try to get the proper throttle pin identification - I think I know what they are but...

Update for the end of July (who knew this would be such a low priority???): I have the CAV3 wired in for power so it comes on when I turn the bike on from the switch on the handlebar. I have installed a twist throttle that is supposed to be Hall Effect. My first attempt at wiring the throttle...

ok Finally back to work on the Lectric ONE. Got the CAV3 some power from the ONE's display and connected the throttle (black wire) to the CAV3. Tomorrow should bring some 6-pin connectors which I hope will get the throttle signal from the CAV3 back to the ONE's controller Fingers crossed...

6zfshdb, Thank you! I installed the ElectricAllWheel (EAW) twist throttle to replace Lectric's thumb lever. No improvement. Interestingly it now feels exactly the same as the Lectric Trike2 750 did - no response at all for the first 10 degrees or so of twist, then hang on! As soon as all the...

As the title says I'm working to add a GRIN DPS + External Shunt onto my Lectric ONE. Why? Because the standard Lectric speed control - tried thumb throttle first then the rotating throttle - both still act like a light switch. Can't accelerate smoothly away from a stop - just a lurch to...