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- Dieses Thema hat 5 Antworten und 5 Teilnehmer, und wurde zuletzt aktualisiert vor 2 Jahren, 4 Monaten von Matthias Runte.
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Januar 24, 2021 um 22:14 Uhr #2000Ulrich SchneiderTeilnehmer
Everything regarding the power supply of trains
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Januar 24, 2021 um 22:29 Uhr #2007Ulrich SchneiderTeilnehmer
I have two questions regarding the power supply of trains
1. There seem to be 3 main sources: AA or AAA batteries (either 6 or 8) or a 9V block. I am curious about what their differences in runtime are. I would love to know how a rechargeable 9V block compares to the other options (e.g. 65% of runtime).
2. I was wondering if there is already a control of the overtime loss in power in the two train controllers. Currently, it seems like there is none but some videos mention it. It also does not look like it is still on the schedule of future releases. I made the experience that I have to adjust the speeds in rocrail over time.
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Januar 30, 2021 um 14:29 Uhr #2114Dan GoreckiTeilnehmer
A few things I’ve noted.
8 Batteries seem to be oriented to the use of rechargables. Most are 1.2V vs 1.5. 1.5×6=9, 1.2×6=7.2, so the extra 2 batteries gets you back to 9.6V. So it will feel more like regular alkalines.
AA vs AAA This is about capacity, or run time. The AA batteries can hold more mAH, my recharges AAA are 1100mAH, and AA are 2800mAH so in theory/simply put, the battery pack w AA should last twice as long as AAA.
From what I remember reading, the official LEGO rechargeable should be closer to 9V, so less of an issue.
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Januar 27, 2021 um 20:49 Uhr #2034RayAdministrator
Hi Ulrich,
We are (and will be) gathering intel on the matter of power loss over time. In the end we hope to compensate for it by adjusting the power level while the battery depletes. If we have more info to share, we put it here. Thanks for starting this topic!
Cheers,
Ray -
Dezember 19, 2021 um 12:52 Uhr #4131Mike MTeilnehmer
Hello all and Matthias,
which design/location of power supply is best practice for the MTCPF with infrared LED actually?
Is it better to couple the train motor unit to the power supply of the microcontroller? That would save the battery box by making it obsolet, wouldn’t it?
Or to have the train motor supplied by a second separate battery box independent from microcontroller power supply?Best regards
Mike
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Dezember 19, 2021 um 19:28 Uhr #4276Matthias RunteAdministrator
Hi Mike, good point. I am working with a single power supply on board, a standard LEGO 9V battery box. Make sure your ESP8266 board copes with that voltage!
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