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Hello! Happy New Year! Here ( https://disk.yandex.ru/d/06xLMizkSnbDBg ) is my attempt to add the TQFP-44 sitting option around the original UQFN-40 pads. Also - I cleared as much ground near the

Thanks Fred. 73

Hi Norm, I see that Newark has them in stock: https://www.newark.com/multicomp/hrs1h-s-dc12v/signal-relay-hrs1-series-spdt/dp/97K1570 73 Fred, N6SMN

Norm, My ATU-100 was bought as a kit.? The relays supplied are on eBay. The number on them is *"HRS1H-S-DC12V"* which gives plenty of hits. vk3pe

Howdy I think I am missing something..i have a Chinese unit and the 4 line oled.? I know about vcc and ground.? What are the two other lines and where do they go ? And how do you program it or set

Finally putting together another ATU-100 kit I got a while ago only to end up one relay short. Looked up the part number on both DigiKey and Mouser with no joy. Anyone have a part number for me?

*Steve I think the manual tweak buttons are only valid in the test mode software.? Connections are via the existing interface jack to the IC-705. As far as I know, the only assembled boards are of

I am interested in the ATU-10, especially since David has added connections for manual tweak buttons.? But I would want an assembled board (not being up to SMD soldering) and am concerned about the

I have an ATU-100 board that I bought pre-assembled,? Worked fine, then suddenly in mid-operation the power supply fuse blew.? I now find that the 12 volt power line is shorted to ground.? I

Hi Dave Perhaps it would be a good idea to let the tuner work in auto mode to start with and make a note of the L and C values determined by the ATU. Then switch to manual mode and use these values

With the unit in simple "Test Mode", I am experimenting with manual operation - so, basically to perform the tuning the same as the Autotune function, but doing it manually. However, I'm not sure

.....and I have Glenn's V1.3 boards (about 10) available in the USA for $5 postpaid in the USA. 73 Kees K5BCQ

I have the V1.2 boards available ex UK

OK Luca Good luck with the project. Glenn vk3pe

Hi Glenn, thanks for your very detailed answer ! I have purchased two evaluation boards at mouser. I have seen that only few are still available. Have a nice 2022 Luca

Luca I take it you are building one of N7DDC's original PCB's??? That part is in very short supply as you have found. I don't know where you might find them. Mouser (Cat # *579-DM164142* ) have an

Hi, i ask if someone knows where it is possible to purchase?PIC16F18877-E/MV for ATU-10. 73 Luca IK2LRN

That's great - thank you for this awesome tuner ! 73, Dave KG7WOC

Hi, Dave The power measured at the input and the value is correct when SWR close to 1.

Hi - I have a question about the displayed data - With the unit in "Test Mode", the display shows "SWR" and a power value - is this value the power measured at the input to the tuner, or the output