Can I use AC DC Apdater with 6.5 V 2000 mA with Netduino Plus
#1
Posted 18 July 2012 - 04:35 PM
#2
Posted 18 July 2012 - 05:21 PM
If you have not already paid for the power supply, look for another one that has 7.5V output or 5V output. (7.5V would be connected to the barrel connector, 5V can be connected directly to the Vin pin.)
If you have already got it:
1/ Check that the output has + in the centre and - on the outside. There is a picture on the base of the adapter in the link you gave, but I can't quite see it.
You want:
2/ Try it.
As long as the polarity is correct you will not damage the Netduino.
You may find it is not as reliable as it should be, but I think it will probably work.
The current required for the Netduino depends on the devices you have connected to it.
The maximum current that the regulator can handle is 800mA see Wiki page. So the input current should always be less than this. If the Netduino is using more than 800mA the Netduino will probably be damaged.
The power supply you chose should be rated to give more current than the current the Netduino uses.
So if you are going to use 800mA, buy a 1 Amp power supply.
Hope this helps - Paul
#3
Posted 18 July 2012 - 05:24 PM
My .NETMF projects: .NETMF Toolbox / Gadgeteer Light / Some PCB designs
#4
Posted 19 July 2012 - 02:53 AM
#5
Posted 19 July 2012 - 10:47 AM
This bit has confused me (easily done, I'm afraid)....The current required for the Netduino depends on the devices you have connected to it.
The maximum current that the regulator can handle is 800mA see Wiki page. So the input current should always be less than this. If the Netduino is using more than 800mA the Netduino will probably be damaged.
The power supply you chose should be rated to give more current than the current the Netduino uses.
So if you are going to use 800mA, buy a 1 Amp power supply.
The first paragraph seems to be contradicted by the second.
In the first, it looks to me like you're saying that the ND will attempt to draw as much current as is needed by all the attached peripherals, but it might be damaged if that goes over 800mA. Then in the second you say that you should oversupply if you're going to use all 800mA - doesn't that run the risk of damaging the device if you go over?
#6
Posted 19 July 2012 - 11:55 AM
#7
Posted 19 July 2012 - 12:00 PM
#8
Posted 19 July 2012 - 06:58 PM
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