Re: We started selling nanoVNA-H4 using STM32F303CCT6 and 4-inch LCD
On Thu, Jan 23, 2020 at 07:21 AM, Steven Greenfield AE7HD wrote: " ... difference between nanoVNA-F and nanoVNA-H4..." I am also interested in the difference.
By
hwalker
·
#10103
·
|
Re: Advice please on battery charging
The bit of plastic is nothing more than a handle to remove the screen protector. Battery charging is indicated by flashing blue LED.? If it flashes, battery is charging.? If steady on, fully
By
Bob Albert <bob91343@...>
·
#10102
·
|
Reading Inductor Packages
#coils
#parts
I subscribe to 'The Engineer's Garage' newsletter and thought folks here might be interested in this article. It's mostly for surface mount devices but is still useful info.
By
Larry Rothman
·
#10101
·
|
Re: OT: But I hope someone from this group can provide some info on this
What touchscreen is broken - the generator or the Nanovna? You have not indicated the model of the generator, the size of its screen, etc.
By
Larry Rothman
·
#10100
·
|
OT: But I hope someone from this group can provide some info on this
I bougt this frequency generator a year ago and when I received it I tested it, found that there was a software to use it by computer and put it aside as I had to place to make a test bench as my
By
Pierre Martel <petem001@...>
·
#10099
·
|
Re: Is anyone working on a screen larger than 4.3 inches?
iOS does not support virtual COM port devices by USB, but does via BlueTooth LE..
By
Oristo
·
#10098
·
|
Re: Is anyone working on a screen larger than 4.3 inches?
David, Even though you don't use Android, you could just buy an android tablet and dedicate it to just use the NanoVNA. You could even mount the two together in an enclosure so it would then be
By
Trystan G0KAY
·
#10097
·
|
Re: Review of NanoVNA-H4
#nanovna-h4
On Wed, Jan 22, 2020 at 12:17 AM, Oristo wrote: You may be able to capture screens by modifying https://oristopo.github.io/nVhelp/html/screenV.py Specifically, replace 320 and 240 at lines 46 and 73
By
hwalker
·
#10096
·
|
Re: We started selling nanoVNA-H4 using STM32F303CCT6 and 4-inch LCD
I am also interested in the difference. -- Steve Greenfield AE7HD http://www.linkedin.com/in/stevenjgreenfield
By
Steven Greenfield AE7HD <alienrelics@...>
·
#10095
·
|
Re: Review of NanoVNA-H4
#nanovna-h4
Received my NanoVNA-H4 today. Looks like a nice device. I have noticed a problem and just wondering if I am alone...Setting the center frequency to anything above 1Ghz, everything freezes and the only
By
hwalker
·
#10094
·
|
Re: Is anyone working on a screen larger than 4.3 inches?
I am interested mainly in using the unit self-contained, with no app. I don¡¯t use Android - I used to, but found too many incompatible problems for me. I switched to an iPhone XS max, which is quite
By
Dr. David Kirkby, Kirkby Microwave Ltd
·
#10093
·
|
Re: Advice please on battery charging
Go back and check your purchae description. Very many NanoVNAs particularly from China are offered sans battery because of customs and air mail issues with shipping Lithium batteries. I bet you have
By
Bob KV4PC
·
#10092
·
|
Re: Is anyone working on a screen larger than 4.3 inches?
Regarding the suggested phone, the price point was kind of a jolt to me so I looked it up, but when I checked the link, the Shipping & Handling was actually more then the phone. Wow - deceptive
By
Bob KV4PC
·
#10091
·
|
Re: 4" H4 arrived
Thanks for the link Larry. Jos Op 22-1-2020 om 22:08 schreef Larry Rothman:
By
Jos Stevens
·
#10090
·
|
Re: Advice please on battery charging
Eric WA3UYI
By
Eric Furness <ericfurn1@...>
·
#10089
·
|
Re: Review of NanoVNA-H4
#nanovna-h4
Received my NanoVNA-H4 today. Looks like a nice device. I have noticed a problem and just wondering if I am alone...Setting the center frequency to anything above 1Ghz, everything freezes and the only
By
Keith N
·
#10088
·
|
Re: 4" H4 arrived
I've done that on more than one occasion ========================================== Hi Herb, That comes with age, i'm very old, Hi. Abt the menu, there are several more like under "Marker" there are
By
Jos Stevens
·
#10087
·
|
Re: Still Trying to Decide
Thanks Herb. This is a lot of valuable information. I will check Alibaba and can wait until they come back from New Years. Tom
By
hamrad45
·
#10086
·
|
Re: How high will Hugen v3.4 HW go?
I guess there are a few on the list with access to Agilent or other high-end VNAs. It would be nice to see a side-by-side comparison made between the H4 and the high-end, and a pdf or YouTube video
By
Glen K4KV <glenk4kv@...>
·
#10085
·
|
Re: Advice please on battery charging
Open it and check if there is a battery installed - there may not be. I doubt the piece of film has anything to do with a battery as the 450ma battery is connected via a header.
By
Ronan Daly
·
#10084
·
|