Everything you need to build the automatic magnetic loop tuner in just one picture. On the Flickr page, you can…
Continue Reading- Automatic Magnetic Loop Tuner
- IC-7300 Keyboard
- Icom External Keypad
- PCB
- QRP Labs – QCX
- Soldering
- Sontheimer Bridge
- Z-Match
How Are PCB’s Made?
There are about 10 working days between finishing the PCB design in Eagle and the reception of the finished product…
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Automatic Magnetic Loop Tuner – Stepper Motor
Adafruit has dedicated an interesting blogpost about stepper motors. Click on the link below to learn all about stepper motors.…
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Automatic Magnetic Loop Tuner – Another Soldering Session
I took some time to solder another PCB for an Automatic Magnetic Loop Tuner. I made some pictures of the…
Continue ReadingAutomatic Magnetic Loop Tuner – Printed Circuit Board (PCB)
Using the original schematic as a starting point, I reworked the electrical diagram and incorporated an A4988/DRV8825 module. You can…
Continue ReadingAutomatic Magnetic Loop Tuner – A4975STB, A4988 or DRV8825
The design Loftur published on the project site was built around two A4975SBT ic’s. Although they are available at digikey.com…
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Automatic Magnetic Loop Tuner – Rotary Encoder
The rotary encoder is the most expensive part of the automatic magnetic loop tuner. It’s a little more expensive than…
Continue ReadingSoldering – When To Use Flux
Ever wondered when you should use flux when soldering? Here’s a video that will explain this in a very clear…
Continue ReadingAutomatic Magnetic Loop Tuner – Region 1 SSB Field day
CQ field day, CQ field day, this is ON5IA/P. The proof of the pudding is in the eating, as they…
Continue ReadingAutomatic Magnetic Loop Tuner – First QSO
On the 15th of March 2017, we were ready to test our final product. The Automatic Magnetic Loop Tuner was…
Continue ReadingAutomatic Magnetic Loop Tuner – Assembly
The PCB is soldered, we did the metal work and the paint job on the project box. Now we are…
Continue ReadingAutomatic Magnetic Loop Tuner – Metalwork
Now it’s time to put the soldering iron down for a while and pick up our metal working tools. Our…
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