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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'?

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

Found one on ebay US here. https://www.ebay.com/itm/303637007917 -- Craig Williams W6CAW

Wow what a group. Yes correct board on ebay. Will check for the 12V in on the main board in a few days. Thanks both. -- Craig Williams W6CAW

Daryl, I have a few V1.32c PCB's available.?? This is my latest version (March 2022)? which includes the two 5k1 (5100ohm) resistors on the USB-C connector. Glenn vk3pe

hi Craig, look here: the red circle marks 12V in. So you can remove battery and USB-connector. 73 Immo

Update - Thanks to the members of the group I have a board on the way. Thanks to all.. Original post If someone has a V1.3 board for sale, please contact me. I'm good in QRZ or via

Is it one of these boards? https://www.ebay.co.uk/itm/185237090807 My USB connector broke as well and I ended up buying two of these boards (one as a spare) I am getting there with re-attaching it

The mini USB connector fell of my unit. No way I can find to solder it back on. Tried a pig tale connected to what I thought was the 5V input pins but no joy. Does anyone know if the battery units

Firmware 1.6 has been released on GitHub. https://github.com/Dfinitski/ATU-10-10W-QRP-antenna-tuner/blob/main/README.md