Reviving a hardware project often means revisiting past designs-and sometimes, embracing the lessons they teach. After months of redrawing schematics…
Continue ReadingTo Do List For 2024
Porting the Autmatic Magnetic Loop Tuner project to the Teensy 4.0 platform Building a Nano CW keyer https://github.com/k3ng/k3ng_cw_keyer/tree/master Describing and…
Continue ReadingZ-Match – Soldering It All Together
Now that the two toroids are prepared, and everything is already mounted into the enclosure lid, we can start soldering…
Continue ReadingZ-Match – Winding Toroid T2
The project descibes to use a FT37-43 toroid. This toroid is manufactured by Amidon. I’m using a similar toroid made…
Continue ReadingZ-Match – Winding Toroid T1
Green wire, 5 turns Start with the green wire. In the parts list it is stated this wire should be…
Continue ReadingZ Match – Preparing The Enclosure
The original design features the Radio-Shack P/N 270-233 box, wich measures 5″ 1/16 x 2″ 5/8 x 1″ 5/8. I…
Continue ReadingZ Match – Preparing The Poly Capacitors
The capacitors that are used in this ATU are CMB-443BF’s. You can find them on AliExpress. These capacitors are used…
Continue ReadingIcom External Keypad V1.21 – Released
I released the project files of the Icom External Keypad V1.21. You can find them on the Icom External Keypad…
Continue ReadingQRP Labs QCX – Power Supply: TOPK 20000mAh Power Bank
On the Belgian Facebook group “AliExpress voor makers” I saw a powerbank pass by with quite a number of good…
Continue ReadingIcom External Keypad Connector Cable
To connect the external keypad to your Icom radio you’ll need to make a connector cable. For this we use…
Continue ReadingIC-7300 External Keyboard – V1.00 Finished
The 8 pin screw connector finally arrived, so last weekend I took some time to assemble the 4 remaining PCB’s…
Continue ReadingAutomatic Magnetic Loop Tuner – Smaller Enclosure Finished
When our first batch of automatic magnetic loop tuners was finished, I started looking for another enclosure. One that was…
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