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Dave, Node red is an amazingly flexible GUI package once through the worst of the learning curve, attached is my effort so far.? I'm sure QRP will be fine with the ESP8266, I tried multiple shielding

Hi Ian, Yes, sorry I should have mentioned that the GUI is Node-RED. It’s a very quick way of generating a control front end. I have not done extensive testing with RF, so I agree it may mean I have

Because the didn't think it worth while mentioning they added the missing i to version!

People that use the web forum part of this often edit their posts. Those of use that only get email see a fresh post with the Edited message attached. We have no idea if they changed something

Why do people make post like this that say?[Edited Message Follows] without giving a clue as to what has changed, added or deleted? Do they expect the reader to figure it out? If it's not obvious, I

Nice work Dave, is the Gui node red?? OTT is just the beginning;-) Its good the esp worked for that. I tried one with a atu100 at the base of my vertical but had problems with wifi not? resetting

Bob- I noted that K8MRD YouTube channel did a recent report on the ATU-10 that he’d purchased from Bangood. The US Amazon link you provided was a pricey option, $US126 plus $US30 for shipping the

Hi Marek, I wanted to avoid a balun and try to match a simple vertical wire on a 6m tall glass fiber pole (with some radials). It should be matchable on the 4 bands between 20m and 10m. Do you propose

Many thanks to David (N7DDC) for this great little ATU and to Dave (WA1RCT) for porting the code to the MPLAB IDE. To work around the issue of using UART type interfaces, I have used a homebrew

Hello all, Did someone try to update the tuning algorithm for the ATU-100 or is there an update planned? I have the situation where can reach SWR 1.1 on my random wire by manual switching to the

Oh, the radio in the pic is using a 3.5" Nextion...

Aaron - If the display is comatose double check it's wiring.? I know I often get the data and clock lines swapped and IIRC the display will appear dead. 73, Justin B. KI5GKD

What I mean in not working is that I can't tell if it is on or not. The OLED is not coming on. I will go over the suggestion that you all have gave me and I will get back to you. Justin KI5GKD, that

Also check the diodes on the tandem bridge , mine had schottky diodes smb33 and replaced them with 1N5711 ! 73's Jason 9H5BM

Hi, Aaron First of all, read the memory and check the cells values, according to user manual. You can find there what is power level to start a tuning, how many turns should be on the tandem core. At

Aaron - I have four of these tuners with three being modded for QRP and one of them incorporated into one of my uBITX radios as you plan - great combo!? I suppose maybe the first step would be

Thanks for the instructions and shopping tip! R -- Rod VA3MZD

Greetings all. I got a ATU-100 complete inside a case and I went to do the QRP mod on it. Then I got put in the hospital and when I got out I tried to put it all back together and it did not work. I

Daivd, I am not sure if I understand your question, but method I described measures transmission losses. Of course there are losses in coax as well as due to not perfect SWR. Antenna wire itself also

Thank you, got it Those data for receiving mode only. Not interested. Is somebody measured real efficient while 10-100W transmission?