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Hi Tim, Yes, I have 20 turnss. See the diagram in the attachment and I did. If you have 27 turns (you are using firmware 3.2), what is the value entered in EEprom cell 31 - 99? Regards , Marek SQ7BCN

Hi, The thing has been used on 2 systems, *windows 7 64bit* and *windows 10 64bit*. The other interesting detail is the programmer (pickit2) can handle easily the 1938 pic whether if if powered or not

Hi, That's good to hear! Which operating system did you use? I could program the pic controller using a Linux tool but whatever I tried I could not use the microchip programmer software. I have tried

Hi, FYI a *pickit2* works fine with the? 1938... The device just need to be updated once with the latest available firmware, and the pic is recognized w/o probs... Software to use is "Pickit 2 V

I'm not aware of any kits. For assembly of smd parts, some places like JLCPCB for example will only load components on one side. The ATU-10 has quite a few parts on the bottom. glenn vk3pe

Hi Marek, Have you actually counted the turns on your coupler ? Mine has 27, so that's what I had to input to mine and its working just fine. cheers Tim -- VK2XAX : QF56if : ITU59 : CQ30 : BMARC : WIA

Hi,can the ATU-10 be bought as a full kit yet with all the SMD componets yet?

Hello Guys, I have a tnner ATU1000 Firmware ver 2.7 *atu_100_fw_EXT_27_1500W.hex* Power torque and SWR approx. I changed the firmware to v3.2 and I can't get the correct power measurements and the swr

Hi all, Here's one of my "0805" boards, all assembled.??? (I have now built 4 x ATU-10s !!) I don't have the correct BN43-1502 balun core so used a BN43-302 which is a bit longer. I used David's

Hi David, Great and I will test this weekend. It's busy at work right now and evening I need some off computer time instead. Best regards Onno Op wo 8 dec. 2021 20:03 schreef The Hempsteads

Hi All Manual mode firmware for test here. Connect two additional buttons to Ext connector, temporary just for play with this FW. Those are "+" and "-" buttons.

Thank you David and Onno I have decoupled both Bypass and Tune buttons with 22nf (the only SMD caps I have) caps as close to the processor pins as possible and the tuner copes very well at 100w now.

Thanks for the reply. Yes I checked those items and I even changed a relay to be sure. AFter the first comment and more thinking and research, I now think it is the last two toroids or at least one of

I have updated the github repo to add the missing files (and updated some of the files). For the compiler, you will need to download the XC8 compiler, which I think also comes from MPLAB? (if you

Thank you, that worked. Karl Heinz - K5KHK

Hi, Steve Most likely that is RF interferences to buttons wires. Auto and Bypass lines should be grounded with 0.1uF 0603 SMT capacitor on the board close to PIC processor nodes. Those are optional

Sounds like the processor detects overload condition which would trigger the bypass mode? Does the display show overload? What did you fix on the tuner to make it work again? Best regards Onno pa1ap

Hi After successfully repairing an ATU-100 I find that although the tuner works well, it tends to switch from auto mode to bypass mode when more than about 75-80watts is used. Has anyone else noticed

You can download the compilers for free. https://www.microchip.com/en-us/development-tools-tools-and-software/mplab-xc-compilers Once installed you can select the 8/16/32 bits compiler you need. For

I just installed MPLab and MCC, but it’s complaining that I don’t have any compilers installed. When I look for compiler packages, I see large dollar amounts… Where would I find a free PIC