Asked
— Edited
Here's the debug. was working fine until then.
EZB 0:
EZB 1:
EZB 2:
EZB 3:
EZB 4:
TCP Server stopped
TCP Server stopped
TCP Server stopped
TCP Server stopped
TCP Server stopped
Camera Disabled
Camera Disabled
Error Initializing Camera: System.ArgumentException: Value does not fall within the expected range.
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at .()
at .(Control )
at EZ_B.Camera.StartCamera(String videoCaptureDeviceName, Control processedPreviewControl, Control realtimePreviewControl, Int32 captureWidth, Int32 captureHeight). Resolution: 160x120
TCP Server stopped
TCP Server stopped
TCP Server stopped
TCP Server stopped
TCP Server stopped
Speech Recognition Culture: en-US
Loaded speech recognition successfully
Attempting connection on COM15
Connected to COM15 at 9600
EZ-B reports EZ-B Firmware V16
Connected
Comm Err: The operation has timed out.
BbytesToExpect: 1
Received:
Disconnected
Disconnected
Comm Err: Not Connected
BbytesToExpect: 1
Received:
Disconnected
Disconnected
Attempting connection on COM15
Connected to COM15 at 9600
EZ-B reports EZ-B Firmware V16
Connected
Disgard incoming buffer (This should never happen)
Comm Err: The operation has timed out.
BbytesToExpect: 1
Received:
Disconnected
Comm Err: Not Connected
Disconnected
BbytesToExpect: 1
Received:
Disconnected
Disconnected
What could be wrong?
Hey, When I checked the voltage with a multimeter, I observed that one terminal of LM1084 voltage regulator has 4.8v while the other is at 0v... So when I checked the voltage across GND and 5v it is 0v.. Does that mean I should change the voltage regulator?
But LM1084 is unavailable in India... Is LM317 an exact replacement of LM1084...
A battery under load can read a lower voltage than when not under load. It indicates that you may have a defective battery or that the load is large. Try powering something else and check the voltage drop. Try a different battery and check voltage drop.
Edit: I guess you edited your post while I was replying...
This relates to your 7.2v to 3.5v drop question.
@pranav: The 1084 and 7805 have different pin outs. Check the datasheet if you're probing - there cannot be 0 volts on one of the regulators. If that was the case, nothing would work
4.8v is normal because your voltage meter isn't perfect - neither is the conductivity between your volt meter probes onto the pcb circuit
I got this in datasheet... But I just want to know if it is really compatible to the circuit provided in EZ-B?
And between the below mentioned terminals I am reading 0v... What am I suppose to do? I am in total chaos...
tired tired tired
@Rich ,
I've connected a fresh 9v battery to EZ-B (nothing else is connected to EZ-B).. The voltage dropped down to 8.12 v
As a guess I would say that your 7.2v pack is faulty then. a drop of 0.9v or 10% isn't cause for concern. I assume it was reading 9.0v with no load on it?
Did the EZ-B function with the 9v pack on it?
Nope...
As I mentioned I had a 0v at the mentioned pins in the diagram posted above... I don't know if I can replace that voltage regulator with LM317...
@pranav while the LM317 and the LM1084 do have the same pinout, the LM317 is a variable voltage regulator that you need to attach resistors to in order to set the output voltage. It's not strictly a 5V regulator like the 1084. Datasheet here.
Be aware that the LM317 isn't rated for as high of a current as the LM1084 either, 1.5A versus 5A. This means that it will reach thermal shutdown much faster than the LM1084 so you won't be able run nearly as many servos. I would suggest finding a 1084 from Digikey or Element14 who both ship worldwide. Otherwise, if you are at the end of your rope you could always contact our Support team and we might be able to figure out something.