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Arduino
From: Chris (CHRISSS)
10 Dec 2015 11:15
To: ANT_THOMAS
485 of 542
40898.485
In reply to
40898.484
Really? Cheaper to buy a fully assembled board than a single chip? How much do you buy nanos for? My 10 Atmegas cost £20 so £2 each.
I did try disconnecting the voltage regulator and power LED from a mini but couldn't get the power consumption down far enough. Much easier with the DIP chips if you want to go low power.
From: ANT_THOMAS
10 Dec 2015 11:32
To: Chris (CHRISSS)
486 of 542
40898.486
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40898.485
I bought 5 Nanos for £9.57 early this year. £1.91 each.
I think if low power really is essential then the chip is the way to go.
From: ANT_THOMAS
10 Dec 2015 11:34
To: Chris (CHRISSS)
487 of 542
40898.487
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40898.485
Looks like you can get 10x nanos for ~£16 now.
Possibly even cheaper if you searched a bit harder -
http://www.ebay.co.uk/itm/181880011056
From: ANT_THOMAS
10 Dec 2015 11:35
To: Chris (CHRISSS)
488 of 542
40898.488
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Just found 10 pro minis for under a tenner.
http://www.ebay.co.uk/itm/201419551076
EDITED: 10 Dec 2015 11:36 by ANT_THOMAS
From: Chris (CHRISSS)
10 Dec 2015 11:56
To: ANT_THOMAS
489 of 542
40898.489
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40898.487
Wow, that's crazy cheap. How much do the official ones cost compared to that?
Cheapest I can find the chips on their own is about £1 each. No caps or crystals with that though. My other ones came with all that sfuff but I don't use them, and a DIP socket and reset button.
From: ANT_THOMAS
10 Dec 2015 11:59
To: Chris (CHRISSS)
490 of 542
40898.490
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They're so cheap I pretty much see them as disposable now.
I might see what sort of power a pro mini uses with regulator and all LEDs removed. No USB chip to consume energy either.
From: Chris (CHRISSS)
10 Dec 2015 13:10
To: ANT_THOMAS
491 of 542
40898.491
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40898.490
Not sure if I posted this before but
http://www.gammon.com.au/power
is very helpful for power saving.
From: ANT_THOMAS
10 Dec 2015 13:22
To: Chris (CHRISSS)
492 of 542
40898.492
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I have seen that before, but forgot about it!
From: Chris (CHRISSS)
12 Dec 2015 02:56
To: ALL
493 of 542
40898.493
Soldered up another board with a Li-Ion battery now. It's powering up but not sending the temps for some reason. I'll have to try and fix it tomorrow.
Attachments:
IMG_20151212_015422~01.jpg
From: graphitone
12 Dec 2015 09:32
To: Chris (CHRISSS)
494 of 542
40898.494
In reply to
40898.493
What's it all going to do in the end?