开云体育

Mitch,

The “power switch” switches between the internal battery pack and the external power supply (I think).? I put batteries into the battery case inside and mine wouldn’t work even though there is 6 volts showing up on the board where the battery pack connects to it.? I put a 9 volt battery with appropriate plug into the external power socket (after seeing a 5 volt regulator on the board) and mine came alive.? Still have to figure out why my switch won’t pass the battery pack current to the circuits on the board, so now it works like an on/off switch.? I also put 12 volts into the external power socket and again everything works...... as it should be with the built in 5 volt regulator.? Now have to wait until Farhan adds more to the hfsignals site re the Antuino.? He has started an Antuino topic heading there to expand on as he gets ready to sell these devices.

Hope this helps.

David J. Wilcox K8WPE’s iPad

On May 20, 2019, at 6:35 PM, mitchone via Groups.Io <mitchone@...> wrote:

I also purchased one of the Antuino's at FDIM.? Trying to figure a few things out and satisfy a few curiosities.

I believe the USB standard is for 5v with various power draws.? What is the voltage for the barrel connector, I'm assuming 5v again, and is the pin positive or negative.

Since I haven't tried plugging anything into the barrel connector I'm not sure what the purpose of the switch is, I'm assuming it's to control the power coming in on the barrel connector.

These questions may seem obvious to everyone else, but they're not so much to me.? I'm relatively new to the amateur radio field and pretty much everything else involving the hobby.? I have looked at the schematic and it's something else I'm learning.? I did notice a power section on the schematic that has Battery1 and DC J1.? I'm assuming that's what I'm referring to when it comes to the barrel connector and USB.

If someone who has a few minutes to spare can discuss the flow of that small power section so I can get an idea of what all those components are doing which will help me gain a better understanding of circuit flow.? So far, I think I've figured out that the output voltage is 5v onto the motherboard.? I do see the switch and don't quite understand what it does, besides the obvious of switching something on and off, my assumption is the barrel connector, it defintiely doesn't have an impact on the USB power.

ANy help would be greatly appreciated,

73
Mitch, KN4ONH