Author: Johnson Francis

Arduino Nano is a small microcontroller which is breadboard-friendly. It has 30 pins in a DIP (Dual – In – line – Package) with 15 pins on either

Automatic Antenna Tuner 100 Watts N7DDC design, purchased from INKITS by VU3SUA recently.

Here is the commonly used 7805 voltage regulator IC. I am shining a bright spotlight on the device so that the identification can be clearly seen in the

I had posted about solderless breadboard some time back and mentioned about it in a post today morning regarding their use to avoid inhaling ‘solder smoke’ I was

I had posted about the All New zBitx 5 watts QRP All Band, All Mode Radio designed by VU2ESE some time back. Radio amateurs globally have started receiving

Trying to compare values shown in Smith Chart in NanoVNA to that shown in Antenna Tuner after tuning antenna for a non-resonant frequency. I was checking my 80m

Received my new automatic antenna tuner just now and I am happy to share the unboxing video with you. It is of N7DDC design. Accuracy of power measurement

Had posted about previous Venus Bounce or Earth-Venus-Earth (EVE) some time back. Now we have news of another EVE. This time from the Dwingeloo telescope. First Venus Bounce

HLF 200 coil did reduce noise on VHF at night, but did it improve reception?