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Come on moderators, there is no need for this. Some folk you can’t help.

Dave you say the answer was done,how is that then?,i already know a dedicated programer can do the job,the whole question was about trying to use an arduino to do the same,telling me to buy a pkit3

Paul, the answer was done. Please more polite.

Pull your head in mate. Sent: 6 January 2023 11:41 AM To: [email protected] Subject: Re: [ATU100] programming the atu 100 not answering what was asked doesent help!,Do you have verbal dioreaha too?.

why not tell/show what pins were shorted to help others/,you gave only half of the answer!!.

is it possible to make the atu100 retune eveytime the radio changes band?,like a normal internal atu,using data from the radios acc socket/.73 m3vuv.

I was only trying to help Sod you

for what its worth powering my kit build chineese atu-100 from my lab psu,i find it works( not tried to tune!) well the display is on down to about 6.5v.

i was thinking more along the lines of doing it with what i already have,sorry but your answer doesent answer what i asked ok.73.

Hi Paul You need a pickit 2 or 3 Very cheap get a copy one, Dave 2E0DMB

just a quick question,can these be programed using an arduino uno?. 73 m3vuv

well i now have it showing the things it should on the display,did it by trial and error and using stronger glasses,will test it on my antenna tonight,may stick it in a waterproof case and mount it at

The Expansion Board is unnecessarily complicated.? To operate the ATU-100 from Icom transceivers with the 4 pin Molex TUNER port, Simply connect 560 ohm resistors to the A6 via and B connector on the

All of these kits come with little or no documentation, there is plenty of info if you Google it. I have to say though, that at the price they are, they do work well. The old adage “you get what you

Mclr is for programming

Scl-clk Sdat-data

Hi all,i just had this delivered from ebay https://www.ebay.co.uk/itm/125595761940 it came with just a bom and no paperwork to talk of,missing buttons+ power headers missing too,well i have built

Hi Chaps, In case it is a help... This is what I did with my icom 7200 Tune on the atu button side works as does tune button on the 7000 and 7200. best Ian VK5IS

Matěj I haven't actually done this, but looking at the schematics, 4 of the connection points to the interface board are small pads on the rear of the ATU-100 board. Two are labelled 'A6 & A7'? the

hi Craig, your'e welcome! If you would like to use external and internal power supply, you should add the diodes as shown in the pictures ( if not already installed). It's only to be sure, that you