Two on Tour That's a cracking idea, I like that a lot
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Fraid not mate... something like that I would simply make myself with something like an LM2576
My 200w of solar yielded less than 1Ah today...280Ah of lithium and 410watts of solar, it copes with the milli-amps.
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I've used these before with good results, many of the cheaper ones give out masses of RFI and electrical noise making them useless. I've only drawn milliamps out of them though for a dashcam, at full current might be a different storyI got a pair of 12v to 5v 3A buck convertors to power a MiFi and a Pi. They are potted, so should cope better with movement and vibration. No heatsink though. Only been running for a couple of months, so I can't tell you much about reliability.
Amazon product ASIN B08Q34TYV5
I would assume the voltage trimmer is necessary when using it with the Rpi, not sure how accurate the 5v would be with the ones without it. I think the Rpi is susceptible to under voltage.I'm using a couple of these to power the Rasp Pi's on our van.
They have remained stable and accurate going by the LED readout and are easy to set the output voltage via the trimmer, plus the seller is UK and in the UK.
Mine are on 24/7 and have been for the past 6 months or so.
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How do these devices work with the variations in voltage you see in a Motorhome i.e is the output a constant set voltage?My Pi's are piggybacked onto 7" touch screens which with the extra current draw of the touch screen brings up the under voltage/current warning arrow on the screen, so I
tweek the trimmer until the warning arrow stays off, which is about an indicated 5.3 volt on the LED readout of the PSU.
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How do these devices work with the variations in voltage you see in a Motorhome i.e is the output a constant set voltage?
How do these devices work with the variations in voltage you see in a Motorhome i.e is the output a constant set voltage?
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Thanks for that Paul, that’s an excellent effort. I might invest in a few of these, do you have an example of a suitable case/enclosure
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I went with one of these in the end, I have set it up at home to run a Raspberry Pi 3 B+ with Victron Venus OS installed and to power my MiFi. I used the USB to power the Raspberry and the output terminals for the MiFi, so far no issues with power.I use one of these to power my Huawei B535 router via the 12volt outlet and that leaves the usb for something else.
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