MicroP25RX

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btt

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I reverted the code back to the 0101-06 state. Let me know if there are any audio issues in this release.
 

btt

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I was recently contacted by a MicroP25RX owner about an issue with a humming sound in the audio. After replacing the USB cable, the audio issue was resolved. I believe this is due to some cables not being able to supply the necessary current without significant voltage drops. If you are having any issues, please make sure that you have a USB cable that can handle the power supply current requirements.
 

btt

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Hey Todd,
Any plans to make a gui interface like the P25RXII so we can program, etc via windows pc?..
For anyone that might have missed the new thread.. The GUI interface for the MicroP25RX is called MicroP25RXMon. As of the latest releases, it supports reading and writing the entire configuration from the receiver as well as reading/writing the configuration information to a local file. The SD card is not required to read, write, update the configuration. The application also allows monitoring meta information and audio on the PC. Thanks to goldmyne99 for his contributions to the code and also for suggesting the Processing dev environment. There is a Windows 64-bit executable available. You need to upgrade to the latest firmware to use the application. There is a separate thread for the application here.
 

goldmyne99

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I think it may just be a bad WIO terminal.
The SD CARD should not be in the Wio Terminal SD CARD slot. The Wio Terminal should not cause an error with the SD CARD in the RX card slot.

When I have seen this error in the past, reseating the SD CARD in the RX card slot OR reformatting the SD CARD fixed my issue.
 

shirsch101

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Tried to upgrade the firmware to the latest version. Followed the directions very carefully, everything seemed to go good but when I tried to turn on the display all I had on the screen of the Wio was "BlueTail MicroP25RX"
Any ideas what went wrong??
 

KevinC

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Tried to upgrade the firmware to the latest version. Followed the directions very carefully, everything seemed to go good but when I tried to turn on the display all I had on the screen of the Wio was "BlueTail MicroP25RX"
Any ideas what went wrong??

I would power cycle everything. And you did update both the BTT and Wio FW, correct?
 

btt

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Firmware version 2023-01-19-02 is available. After updating to this version please report if you notice any significant changes (good or bad). Thanks!
 

btt

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I received the first return request for the MicroP25RX this evening. The sales since the first couple of bad reviews (only bad reviews) have not been good. Even though there were only two people who had issues, the sales since then cannot support this product. I thought maybe the new filter idea for dual-band 770/580 MHz would be a big hit, but I was very wrong and I reallly shouldnt' have invested in the parts for that filter. Big mistake. I don't think anyone is really having issues with IMD due to LTE on either side of those bands with BTT products. I did have a great idea for improving BTT receivers since then. I have already invested what little capital I have left in an order for boards and parts for the next generation. I normally wouldn't announce this until I was sure, but I have decided to remove inventory from the web site and wait for the new design to show up. The new design will shift a function that everyone thinks can be done correctly in software to the hardware. I believe this will be a game changer. If I'm wrong, I will fade to black. If I'm right, you are going to want one. There will be a good discount for initial buyers (even though I'm investing more money for parts). I know this sounds desperate. It is. I can't do this much longer. Sorry guys.
 

freqseeker

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Too bad about the sales being down. These really are great receivers. People don't know what they're missing. I run my units 24/7.
I do look forward to your new design.
 

btt

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Too bad about the sales being down. These really are great receivers. People don't know what they're missing. I run my units 24/7.
I do look forward to your new design.
Thank you sir. Regarding the new design, I haven't been holding out. I had a new idea for a design very recently. Although I haven't tested it with real hardware yet, I've done simulations in firmware. I think it will bring the receivers into a completely different level of performance. Boards are on the way. I will report on the results soon.
 

dustinsterk

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My $.02, @btt you have created one heck of a product with the microp25rx! I run mine daily for 8+ hours a day and it is on par with my SDS100. The amount of customization and your respond to feedback/updates is unbelievable and unheard of! The only 'issue' I can see others having with it is that to make it fully operational without a computer - you need a 3rd party screen (wio) and a custom enclosure for the "fit and finish". Even still, that is < $300 - which is 1/2 the cost of anything else that I have found as good.

Have you marketed this product at all? Could the lack of sales just be the fact that only RR users of this forum know about it?
 

btt

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Have you marketed this product at all? Could the lack of sales just be the fact that only RR users of this forum know about it?
It could be. In the very beginning, I spent $300 on google ads and didn't sell a single receiver. I'll have to start thinking about alternatives.

I received an email from someone that was concerned that I'm changing the hardware again. I want to remind everyone that the reason the the P25RX and P25RX-II are not available now is because of the inability to buy the parts right now. Another point that I should have mentioned is that the MicroP25RX-II will be 100% compatible with the MicroP25RX. The firmware and software will be the same.
 

robnj74

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It could be. In the very beginning, I spent $300 on google ads and didn't sell a single receiver. I'll have to start thinking about alternatives.

I received an email from someone that was concerned that I'm changing the hardware again. I want to remind everyone that the reason the the P25RX and P25RX-II are not available now is because of the inability to buy the parts right now. Another point that I should have mentioned is that the MicroP25RX-II will be 100% compatible with the MicroP25RX. The firmware and software will be the same.

I'm looking forward to hopefully trying this new product out. The original works pretty good, the audio is as good as my SDS100 so this should be interesting.
 
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