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I can see the picture after clicking on the link.

João

I can see the picture. It is a multimeter and a power supply

João

Sorry, I only saw your post now.
Concerning the Voice Module, please have a look at this link.

https://openrcforums.com/forum/viewtopic.php?f=5&t=6831

João

Hey guys, I am back after some long(ish) break. Oh no, not him again :o :P :D So, is erskyTX still being developed? Does it still support my 9xtreme and Ar9x boards, or do I have to buy / build some other radios? ;) I have been doing some other stuff but my son asked me to build a couple receivers f...

Hi Sergio, have a look here: https://github.com/MikeBland/mbtx Also for the chip, I don't know where you are, but I am in Europe. This shop in Germany has it. A bit expensive though. https://www.reichelt.com/de/en/8-bit-atmega-avr-microcontroller-256-kb-16-mhz-tqfp-64-atmega-2561-16au-p68180.html?&a...

I Sergio, I have been away from all this for quite a while as DIY was one of the mai reasons that kept me on this hobby, and it seems no one does it anymore since Frsky started producing radios. :( I still use my 9x radios in all their different flavors. Atmega2561, 9xtreme, Ar9x board, etc. I also ...

This is veeeeery cool, thank you for sharing..

João

Cool, well done. Congratulations

João

cool

What do you mean, "select the right protocol"?, I'm loading er9x-128Green.hex, I already told you that my processor is an ATMEGA 128 a-au green Download the radio eeprom to eepe, edit the model, select the correct protocol for the RF module you are using, and then burn the eeprom back to ...

So, you cannot make the radio control a servo? can you download the eeprom to eepe, and select the correct protocol, and then burn the eeprom to the radio again? Then try to move a servo again?

João

The fuses, as far as I remember, look ok. :o Can your radio control a servo? Is it only the screen that is dead? If so, it could be that the screen is damaged, Please try to gently removing the screen ribbon from the connector, then insert it again and lock the connector. Perhaps there is some bad c...

Ok, did that radio screen work before?

Can you please use eepe to read the fuses, and post them here?
Connect your programmer to the radio as you do to flash the firmware. Then open eepe, and click on the "Burn" menu. Then select "Read Fuses".
Please post the output here.

João

Ahh, ok, thanks..

João

Please check your LCD connection. it looks like the right tab of the LCD connector is not fully closed. Check also that the LCD is well inserted in the connector, and straight..

João

Long range with ESP32? Or what does LRS mean?

João

Oh, oh, processor very hot is not good :( Actually this is something I was going to ask you to check. Either something is shorting one or more processor pins, or the processor itself is gone South, broken, kaput :( Please disconnect everything from the mainboard except the LCD display and the connec...

Ok, then, do you have an RF module inserted? Does is control a servo? if you turn the radio ON while pressing both horizontal trims to the center, and then connect to the PC, is it recognized by it? If all this fails, please turn your radio ON and measure the voltage between both sides of R9 and gro...

Please read Reinhard's post again. That is exactly what you want to do. I bet that R9 is broken. And by the way, inserting or removing the RF module while the radio is ON might cause that R9 to fail. João EDIT: Or did I misunderstood your post and you did did measure R9? if so, what is the measured ...

Please post a good resolution picture of the top side of the radio's motherboard. Even better if you can keep the complete processor in the picture..

Also, did you install any type of backlight behind your radio's screen?

João

Is that even legal? Not here in Europe for sure.

João

Hi, Schematics, here. Now the firmware, I guess here as well. Unless Mike posted it somewhere else, but I don't think so

João

Cool, Well done

João

Try saying again that "it is the last time"
Last time it failed when you said it

João

Ok, good, thanks.. Obviously I haven't been following all this since a while

João

Could it be that the changes made to the bootloader (obviously without Mike knowing about it) broke the capability of the MPM being able to be updated by the ErskyTX firmware.. This concerns me because I have a radio with an MPM built in it, and it would be a pain to even flash a new bootloader to i...

That would be a shame..
I hope he is ok..
I can see that DIY is dying on RC So much that I have also lost interest on it since a while.. I wish all that came back.


João

There should not be any voltage drop with a Mosfet..

João

I think I have Mosfets on some of my radios charging circuit. Will try charging them with a B6 charger tomorrow. But I have NiMh batteries on my radios. I have never charged any Lithium battery inside a radio. I like my radios a lot

João

Oh, wait there, You didn't say you were charging Lithium batteries. I thought you were using some HiMh or NiCad batteries..

João