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Re: Batteries
On Tue, Nov 19, 2019 at 12:56 PM, Andy wrote: Trickle charge current is also mentioned on the spec sheet as being 100ma, not enough to kill a 400ma cell. Am I missing something ?
By hwalker · #7236 ·
Re: errors of "error" models
#79: Three Animated-GIF/AVIs in Slow Motion Demonstrate, Step-by-Step, the Graphical Construction of Differential Error Regions Arising in the Measurements with [AnyVNA] Hello, Allow us, please, to
By gin&pez@arg · #7235 ·
Re: Batteries
Quote from spec sheet - ?Charger ?Adaptive charging current control, Adaptive charging current control. Quote from spec sheet - Which in theory should regulate charging current. The world and his
By Andy <punkbiscuit@...> · #7234 ·
File updated in [email protected]
Hello, This email message is a notification to let you know that the following files have been updated in the Files area of the [email protected] group. *
By [email protected] Notification <nanovna-users+notification@...> · #7233 ·
Re: NanoVNA-Saver 0.2.0 - FW version?
Yes, you can upgrade and there is no issue of 'bricking' your unit. Please refer to the Wiki and the User Guide (in the Files section) for info on how to upgrade and how to create a .dfu file if there
By Larry Rothman · #7232 ·
Re: NanoVNA-Saver 0.2.0 - FW version?
Hi Rune, Thanks! As a matter of fact by using NanoVNA v1.03 I got the following info (although I cant see FW version..): Kernel: 4.0.0 Compiler: GCC4.9.3 ... Architecture: ARMv6-M Core variant:
By Alessandro I2SVA <i2sva@...> · #7231 ·
Re: running nanoVNA-saver under Linux Mint XFCE
I wouldn't go as far as qbasic but I agree, whenever I see 'python' I anticipate frustration and trouble. It's a mess. It's a great example of why code re-use doesn't scale well. All too often it's
By Adrian Godwin · #7230 ·
Re: NanoVNA-Saver 0.2.0 - FW version?
Hi Alessandro, Generally, this means your firmware is so old, there is no way to read the firmware version. -- Rune / 5Q5R
By Rune Broberg · #7229 ·
NanoVNA-Saver 0.2.0 - FW version?
Hi all, I noticed that moving to NanoVNASaver 0.2.0 > About, the NanoVNA Firmware version displayed is: NanoVNA Version ? Has anyone noticed the same thing or I have something wrong? NanoVNAe works
By Alessandro I2SVA <i2sva@...> · #7228 ·
Re: Is the NooElec nanoVNA any good?
Many have measured and tested it but found no noticeable difference between the variants. Probably the raw material comes from the same source, pcb is the same. So why would it differ unless the
By Gyula Molnar · #7227 ·
Re: Is the NooElec nanoVNA any good?
Looking again at your pic from Amazon, I notice it is sold by KKMoon. I brought two NanoVNAs from this same seller there. When they arrived one was a clone and the other appears to be a hugen
By Joe St. Clair AF5MH · #7226 ·
Re: Batteries
I thought it was 1.2 amps max pass current, not actual current ? English data sheet mentions intelligent charge levels. https://datasheetspdf.com/pdf/1139134/Injoinic/IP5305/1 Not sure if this helps,
By Andy <punkbiscuit@...> · #7225 ·
Re: Is the NooElec nanoVNA any good?
What is pictured there is missing the "CH0" on the bezel. I think hugen would tag that as a clone That said, I have not seen where the clones have been shown to perform any worse. All NanoVNAs can be
By Joe St. Clair AF5MH · #7224 ·
Re: Is the NooElec nanoVNA any good?
The unit can operate as a stand-alone, unlike the many SDRs out there. However, it can also operate with a PC, laptop, Android, and a number of other platforms. With PC support, you get a MUCH larger
By W0LEV · #7223 ·
Re: BH5HNU NanoVNA-F Aliexpress site no longer there?
Hello June I have joined the group and I will discuss the situation on that group. I am very keen to buy the right product and support the right people. Regards Conrad ________________________________
By Conrad, PA5Y · #7222 ·
Re: Is the NooElec nanoVNA any good?
First of all, I am a total newbie. I ordered in the blind, only looking for the "NanoVNA" word or label: https://www.amazon.com/gp/product/B07WNVXHL6/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
By Mike K0JTA · #7221 ·
Re: Batteries
I'm wondering if hugen is able to verify that the replacement battery control chip he is thinking of using will prevent over charging any cells. I've translated and attached a copy of the FM9688
By Larry Rothman · #7220 ·
Re: running nanoVNA-saver under Linux Mint XFCE
It's Python that's a mess, as bad as java. It promises app portability, and its anything but. We need something like good old QBASIC, where we can load source into an interpreter and run it. Python
By Andy <punkbiscuit@...> · #7218 ·
Re: Some required setting for NanoVNA-saver using female calibrations
Hi Kurt, Sorry for taking long to reply to your email. The issue in your earlier tests seem to be with C0=0: the calibration corrections divide by a value that is dependant on C0, and for that reason,
By Rune Broberg · #7217 ·
Re: BH5HNU NanoVNA-F Aliexpress site no longer there?
Hello David. I have a very specific use for the NanoVNA-F, basically the VNA-H is too small to be useful with my poor eyesight. I have a VNA-H and it compares very favourably with my HP-8712B. The
By Conrad, PA5Y · #7216 ·