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There are some folk you just cannot help :-)

Lights are on but no one is home!

Hi 5 turns in the tandem core equal to 10 W power , or known as QRP mod. For 50 W I would use 7 turns. It is possible to calculate, the voltage on the tandem coils should not exceed 2 Volts peak value

B.s,it wont let me write anything while the all protect in red is showing,thats the whole point how to get rid of it ?,erasing and rewriting the fw dont work as the protect all is still there!!.

No you are not stuffed, You just do not hear what people are saying, Just use the updated firmware on the GitHub,

just heard from the seller,i am informed the fw has been encrypted,guess i am stuffed then?,maybe a warning to others!.

Howard and amanda,i have tried the google route and got no where on this programing issue,if i had rest assured i would not be asking here,i have programing experiance but not with microchip

Hi, I can’t remember where I bought my kit from but it worked first time once built, as for programming I haven’t tried it to see if the pic is write protected. I did think of downloading the

If you are incapable of sorting out why a kit will work/or not, you should think about getting one ready made. I think there are lots of people on here who would have helped you but have been put off

hi? Paul, look here: https://github.com/Dfinitski/N7DDC-ATU-100-mini-and-extended-boards/tree/master/ATU_100_EXT_board/FirmWare_PIC16F1938/1938_EXT_board_sources_V_3.2 (

how come i am getting this grief?,no one else seems to have these issues,this is a kit from aliexpress ,are they all read protected?.

no file came to my mail,why is it not on the github page any idea?,cheers+73 m3vuv Paul.

hi Paul, I sent you V3.2 per PM. To program this hex to the PIC you have to erase it before (menu: Programmer -> Erase). It's the only way to delete the protect flags for program- and EEPROM-space.

i just looked on the github page i only see ver 3 hex file not 3.2,has it been released yet,if so where to get it,cheers 73.

Hi i did wonder about it saying all protected in red,with that will i still be able to program it with the authers hex file or will it lock me out,i have never used pics mostly atmel.73.

ATU100 from China, is read protected; it says "All Protect" in red. The content cannot be read, so only "0000" appears. You can rewrite it using the .hex file from the author's github page and in the

Paul, with respect, it's hardly fair to ask again after about an hour.? Not everybody monitors this group constantly or indeed may be in a different time zone like me in VK. And not everybody has

is no one going to give me an answer on this,this is after reading the pic with a new pickit3 on the board of a brand new atu-100 china kit from aliexpress!,is it faulty,ie not programed?,thanks in

hi all,this is what i see after reading my atu 100 pic,looks blank to me?,is it normal?

just got the standalone sw from the link in the vid and it worked,at least it read the pic chip and i have saved the original hex file,cheers+73 m3vuv.