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Questions tagged [electronics]

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0
votes
1answer
44 views

Is it possible to add a TT shifter to Di2 junction box?

Is it technically possible to add another shifter to an already functioning Di2 setup, allowing for an extra shifter at the end of an aero extension bar, hooked up to the same junction box as the ...
1
vote
0answers
96 views

Gear change recording

Has anyone heard of a device that records gear changes? Like a cadence sensor or power meter, but specific to recording when you change gear. With all the data we can currently capture about our ...
1
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2answers
114 views

RPM regulation of direct hub motors

I found this bike push-trailer. Because the trailer project is open-source I discovered that the used hub motor is MUXUS XF40 (specs here) In many places on the internet a learned that if such ...
3
votes
2answers
191 views

AC dyno light on battery pack?

I'm running a Supernova E3 PRO 2 of my dynohub. However I would like to use my non-dynohub front-wheel whilst still being able to use the same lights on battery power. The lights have an internal AC/...
0
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0answers
108 views

PowerTap G3 Hub Service Calibration

Does anyone know how PowerTap G3 Service Calibration procedure is supposed to carried? I am asking as the official service I have sent my hub to has trouble in doing it. Personally I imagine that ...
2
votes
1answer
182 views

Electronic shifting for planetary gear hub

Gear hubs are nice, but after getting a Rohloff I realized that shifting is extremely difficult and requires lots of effort. So this got me thinking: do electronic shifting systems exist for gear hubs?...
3
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2answers
2k views

Kalkhoff Agattu (e-bike) Panasonic 24v engine dead - worth repairing?

UPDATE: http://www.kalkhoff-bikes.com/en/bikes/e-bike/e-activity/agattu-impulse-8-hs-8-g-1.html I went with one of the above. It's not a 2016 model though. The Impulse 2 drive is awesome. My three ...
3
votes
2answers
535 views

Bosch Nyon computer — syncs but no activities are transferred

I have an electric bike with a Bosch engine (Performance Line) and a Nyon Computer. My eBike Connect app (on iPhone) is able to connect to the Nyon (see screenshot) but no activities are ...
2
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2answers
598 views

Bosch Nyon and W-LAN

I have an electric bike with a Bosch engine (Performance Line) and a Nyon Computer. The Nyon is not able to connect to WPA or WPA2 password protected networks. If I remove authentication on my ...
3
votes
1answer
872 views

Is the XTR Di2 battery compatible with Ultegra Di2?

I'm considering installing an Ultegra Di2 groupset on a small road bike. The space below the water bottle bosses is too little to install the regular road Di2 battery, but the XTR SM-BTC1 Di2 battery ...
3
votes
4answers
1k views

Password protect Shimano Di2?

I'm working on a bike with Shimano Di2 (electronic shifting with servo motors in the derailleurs), and I use the e-tube software on a laptop to configure it. What I would like to do is be able to ...
4
votes
1answer
2k views

What does “Electronic Ready” mean on a Giant Frame?

I just purchased a 2014 Giant TCX SLR 2, and noticed in the spec sheet that the frame is "Electronic Ready" What does this mean? http://www.giant-bicycles.com/en-ca/bikes/model/tcx.slr.2/17669/73500/...
1
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3answers
1k views

Lights wiring polarity and wire marking

I am re-wiring my bike lights to add a smartphone charger and improve the connections. Wires are going in pairs, one wire in a pair being marked with a white stripe. Since I am using LED lights, ...
3
votes
5answers
555 views

Finding Elevation Change, any method

So, I think it'd be cool - for goal setting for example - if I could keep track of my elevation change. The problem is, the local cyclocomputers I looked at seem to use barometric pressure to ...
1
vote
2answers
346 views

triathlon handlebars for ultegra di2

I recently bought a Canyon AL 9.0 Di2 bike and would like to mount a triathlon handlebars on it. My ultimate desire would be able to have the gear switchers both on the triathlon and the bike's ...
1
vote
4answers
12k views

How long will a battery last in a Garmin GSC 10?

My relatively new Garmin GSC 10 Speed/Cadence unit has started losing connection to my Garmin 500. I'm assuming that the battery is running out, since I'm still using the original that came with it. I ...
4
votes
3answers
1k views

Which parameters should I track with bicycle computer so I can analyze changes in my riding?

I'm building Arduino-based bicycle computer with GPS at my free time as a hobby project. So I have to find out which parameters of ride will be useful to track to see a progress (or any changes) in ...
9
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9answers
2k views

Protecting gadgets against rain during touring

When carrying laptop / camera around I'm always stressed out when it starts raining. Living in a city one can easily avoid rain though - but on a long touring trip there will inevitably be cases when ...
2
votes
1answer
253 views

Cheap energy sources for electronics during touring with low amount of sun energy?

My goal is to find a cheap energy sources for touring. I cannot use solar all the time so I am planning to get Reelights outlined here, for lights, because they are cheaper than installing a hub ...