In de kringloopwinkel een spiksplinternieuwe Opinel 9 vinden, met het originele antidiefstal stripje er nog aan, voor maar 1 euro……
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…
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Z 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…
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QRP Labs QCX – CAT & Key Interface – Released
Participate in contests with ease with your QCX. Use N1MM+ to log your contacts and to send signal reports. With…
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QRP Labs QCX – CAT & Key Interface Design
Using the CAT interface of the QCX it was already possible to retrieve it’s frequency in N1MM. I made great…
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Icom 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…
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Garmin Etrex H – Week Number Rollover
The Global Positioning System (GPS) week number rollover is a phenomenon that happens every 1024 weeks, which is about 19.6…
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QRP 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…
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QRP Labs QCX – Power Supply: DIY Battery Packs
To power up a QCX or a QCX+, you need a power source that provides a voltage between 7 and…
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