Ann Arbor, Ypsilanti & Friends Community

AI6YR BenScraped the paint off the other side of this, and mystery is revealed. The opamp IC is being used as a voltage comparator to report battery voltage! <a href="https://m.ai6yr.org/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a> <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>

AI6YR BenHmm, this ebike has a LM342N embedded in it. It has no connection to the controller, it has has a momentary switch only connected to jt. Did they really go to all this trouble just for the annoying buzzer?!?! <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://m.ai6yr.org/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a> <a href="https://m.ai6yr.org/tags/hacking" class="mention hashtag" rel="nofollow noopener" target="_blank">#hacking</a>

AI6YR BenNear complete dissection of an ebike. The question now is what kind of rebuild I should do on this. <a href="https://m.ai6yr.org/tags/BikeTooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#BikeTooter</a> <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>

AI6YR BenAha, this is the equivalent of a Nakto "Step Through" bicycle. The little button on the left doesn't start the bike, it's just a silly little horn.The switch is a LIGHT SWITCH. Not a speed switch.There should be a "pedal assist on/off" switch, but I don't see one here. I may need to rig one up.<a href="https://m.ai6yr.org/tags/BikeHacking" class="mention hashtag" rel="nofollow noopener" target="_blank">#BikeHacking</a> <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>

AI6YR BenThis is what pure ebike performance looks like 🤪<a href="https://m.ai6yr.org/tags/biketooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#biketooter</a> <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>

AI6YR BenAha...I can't find a brand name on this, but the design of this is almost identical to the current "Ancheer" electric bikes. I suspect it's close to the same specs as whatever they were building in 2010. Probably multiple manufacturers with cloned designs, anyway. <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>

AI6YR BenSo far all the line colors/groupings match. I suspect this is close to whatever these Chinese controller companies are using as a standard. <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://m.ai6yr.org/tags/diy" class="mention hashtag" rel="nofollow noopener" target="_blank">#diy</a> <a href="https://m.ai6yr.org/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a>

AI6YR BenOooh, this was an old SLA battery ebike someone converted to a spicy pillow bike! <a href="https://m.ai6yr.org/tags/diy" class="mention hashtag" rel="nofollow noopener" target="_blank">#diy</a> <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://m.ai6yr.org/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a>

AI6YR BenBefore I removed the spicy pillow, did test to see that the controller was working. <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://m.ai6yr.org/tags/diy" class="mention hashtag" rel="nofollow noopener" target="_blank">#diy</a> <a href="https://www.youtube.com/watch?v=7gLFszKRVbg" rel="nofollow noopener" translate="no" target="_blank">https://www.youtube.com/watch?v=7gLFszKRVbg</a>

AI6YR BenAh, Google Lens still works! <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://m.ai6yr.org/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a>

AI6YR BenNaked ebike action. 36V controller. <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>

Gemma ⭐️🔰🇺🇸 🇵🇭 🎐I would like to build a second <a href="https://mstdn.plus/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> with a Bafang BBS02B 750 W mid-drive motor kit. This time, I would choose a bicycle with mulitple gears, instead of a <a href="https://mstdn.plus/tags/singlespeed" class="mention hashtag" rel="nofollow noopener" target="_blank">#singlespeed</a> My current 500 W rear hub motor singlespeed is barely enough to get me up the mild hills of my town, and I only get about 20 miles out of a fully-charged 504 Wh battery, because I use it mostly on the highest assist setting.I want something like a Soma Buena Vista mixte. I wear mostly skirts and dresses. <a href="https://mstdn.plus/tags/BikeTooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#BikeTooter</a>

AI6YR BenSo the questions now (aside from the "how do I keep the battery from catching fire" 🤪 )1. How to convert this to a Class I e-bike 2. What battery technology to switch it to, and what is the hub capable of (with focus on SAFE battery tech -- I assume LiFePO4 is the right choice here now) 3. What e-bike controller would work best (vs. whatever is hacked into here now, which is "turns on when pedaled")(The purpose of this foolish exercise, for me, is simply to learn about the technology... I am quite happy pedaling uphill with my normal bikes right now!)<a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://m.ai6yr.org/tags/BikeTooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#BikeTooter</a> <a href="https://m.ai6yr.org/tags/DIY" class="mention hashtag" rel="nofollow noopener" target="_blank">#DIY</a> <a href="https://m.ai6yr.org/tags/projects" class="mention hashtag" rel="nofollow noopener" target="_blank">#projects</a>

AI6YR BenSomeone selling this broken ebike. Step through.. maybe a former micro mobility bike? LoL.. Any thoughts from <a href="https://m.ai6yr.org/tags/BikeTooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#BikeTooter</a> land on if it's at all worth an attempted project? (Probably can talk these folks down to any price, they take clean outs and estates by the pound and garage sale the remnants) <a href="https://m.ai6yr.org/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>

autumn 🐾 hyper-fixated on dogsi'm selling my overbuilt radwagon 4. i don't use it as much since i've moved downtown and tend to walk more than bike these days.asking $1000. bought for ~$2000 back in 2022. it does have some faults (will add in another post), but it comes with a butt ton of accessories.located in raleigh, NC!<a href="https://triangletoot.party/tags/bikeTooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#bikeTooter</a> <a href="https://triangletoot.party/tags/radWagon" class="mention hashtag" rel="nofollow noopener" target="_blank">#radWagon</a> <a href="https://triangletoot.party/tags/bikeForSale" class="mention hashtag" rel="nofollow noopener" target="_blank">#bikeForSale</a> <a href="https://triangletoot.party/tags/eBike" class="mention hashtag" rel="nofollow noopener" target="_blank">#eBike</a>

Kernel BobHi. I'm kbob. Intro time.I used to get paid to write software. Now that I'm retired, I do it for free. I also play with 3D printers and electronics and stuff.I love learning, and I like to make things the hard way. I often create a <a href="https://chaos.social/tags/BuildThread" class="mention hashtag" rel="nofollow noopener" target="_blank">#BuildThread</a> about a project and update it for months.Interests<a href="https://chaos.social/tags/3DPrinting" class="mention hashtag" rel="nofollow noopener" target="_blank">#3DPrinting</a> <a href="https://chaos.social/tags/CAD" class="mention hashtag" rel="nofollow noopener" target="_blank">#CAD</a> <a href="https://chaos.social/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a> <a href="https://chaos.social/tags/FPGA" class="mention hashtag" rel="nofollow noopener" target="_blank">#FPGA</a> <a href="https://chaos.social/tags/synth" class="mention hashtag" rel="nofollow noopener" target="_blank">#synth</a> <a href="https://chaos.social/tags/BassGuitar" class="mention hashtag" rel="nofollow noopener" target="_blank">#BassGuitar</a> <a href="https://chaos.social/tags/solar" class="mention hashtag" rel="nofollow noopener" target="_blank">#solar</a> <a href="https://chaos.social/tags/geothermal" class="mention hashtag" rel="nofollow noopener" target="_blank">#geothermal</a> <a href="https://chaos.social/tags/homelab" class="mention hashtag" rel="nofollow noopener" target="_blank">#homelab</a> <a href="https://chaos.social/tags/homeassistant" class="mention hashtag" rel="nofollow noopener" target="_blank">#homeassistant</a> <a href="https://chaos.social/tags/pinball" class="mention hashtag" rel="nofollow noopener" target="_blank">#pinball</a> <a href="https://chaos.social/tags/ev" class="mention hashtag" rel="nofollow noopener" target="_blank">#ev</a> <a href="https://chaos.social/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://chaos.social/tags/biking" class="mention hashtag" rel="nofollow noopener" target="_blank">#biking</a> ... and more

Oceans CraigJoel does it again - a lovely story about the good things we have. I don’t catch buses much being too happy on an <a href="https://mastodon.nz/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> but this is the route I do catch occasionally. 100% Can recommend. <a href="https://mastodon.nz/tags/publictransport" class="mention hashtag" rel="nofollow noopener" target="_blank">#publictransport</a>In praise of the Number 24 Bus, Wellington’s most scenic commute <a href="https://thespinoff.co.nz/wellington/11-07-2025/in-praise-of-the-number-24-bus-wellingtons-most-scenic-commute?utm_source=spinoff-share-button&utm_medium=spinoff-web-mobile" rel="nofollow noopener" translate="no" target="_blank">https://thespinoff.co.nz/wellington/11-07-2025/in-praise-of-the-number-24-bus-wellingtons-most-scenic-commute?utm_source=spinoff-share-button&utm_medium=spinoff-web-mobile</a>

Kathleen Jones 🚲 🐋 🖌️⚾️A beautiful overcast day for riding along the Northern California coast. Full summer gear required (layers, gloves, long pants).<a href="https://sfba.social/tags/BikeTooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#BikeTooter</a> <a href="https://sfba.social/tags/bicycling" class="mention hashtag" rel="nofollow noopener" target="_blank">#bicycling</a> <a href="https://sfba.social/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://sfba.social/tags/drawing" class="mention hashtag" rel="nofollow noopener" target="_blank">#drawing</a> <a href="https://sfba.social/tags/sketching" class="mention hashtag" rel="nofollow noopener" target="_blank">#sketching</a> <a href="https://sfba.social/tags/WhatISawRiding" class="mention hashtag" rel="nofollow noopener" target="_blank">#WhatISawRiding</a> <a href="https://sfba.social/tags/HalfMoonBay" class="mention hashtag" rel="nofollow noopener" target="_blank">#HalfMoonBay</a>

HolgerZum <a href="https://troet.cafe/tags/SilentSunday" class="mention hashtag" rel="nofollow noopener" target="_blank">#SilentSunday</a> wäre hier ein Foto was ich heute morgen gemacht habe.Einfach mal Paue machen!<a href="https://troet.cafe/tags/pause" class="mention hashtag" rel="nofollow noopener" target="_blank">#pause</a> <a href="https://troet.cafe/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a> <a href="https://troet.cafe/tags/pedelec" class="mention hashtag" rel="nofollow noopener" target="_blank">#pedelec</a> <a href="https://troet.cafe/tags/bank" class="mention hashtag" rel="nofollow noopener" target="_blank">#bank</a> <a href="https://troet.cafe/tags/orange" class="mention hashtag" rel="nofollow noopener" target="_blank">#orange</a> <a href="https://troet.cafe/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#Photography</a> <a href="https://troet.cafe/tags/Fotografie" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fotografie</a>

Gemma ⭐️🔰🇺🇸 🇵🇭 🎐<a href="https://sfba.social/@ascentale" class="u-url mention" rel="nofollow noopener" target="_blank">@ascentale</a> <a href="https://mstdn.social/@cainmark" class="u-url mention" rel="nofollow noopener" target="_blank">@cainmark</a> <a href="https://a.gup.pe/u/bikenite" class="u-url mention" rel="nofollow noopener" target="_blank">@bikenite</a> <a href="https://mstdn.plus/tags/BikeNite" class="mention hashtag" rel="nofollow noopener" target="_blank">#BikeNite</a> A2. The closest thing to that for me is that after 5 years of living in the same house, my boss was driving me home one day, and turned down a street I'd never ridden, before.It turns out that street is the flattest route between my home and our downtown business district, so it is now my preferred route, to save my legs and my battery, because I ride a <a href="https://mstdn.plus/tags/singlespeed" class="mention hashtag" rel="nofollow noopener" target="_blank">#singlespeed</a> <a href="https://mstdn.plus/tags/ebike" class="mention hashtag" rel="nofollow noopener" target="_blank">#ebike</a>, usually filled with handbag, briefcase, and groceries.

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