Johnson's Techworld

After reading through the initial pages of the manual, I went ahead with installing the new MPPT Solar Charge Controller. Remaining pages were meant for setting up grid

LB7UG had been actively discussing on YouTube regarding optimization of my Easy BITX build. Today I am trying out a modified version of the VU3GAO Easy BITX dual

I have been thinking of buying an MPPT Solar Charge Controller for quite some time. I waited for a 30A version for quite a long time and finally

In an SSB (Single Sideband) transceiver like the Easy BITX, the Beat Frequency Oscillator (BFO) is one of the most critical components for ensuring clear voice communication and

The 6-meter band (50 MHz) is affectionately known in the amateur radio community as the “Magic Band.” It sits at the boundary between the High Frequency (HF) and

SSTV Expedition 74 Series 32 features “Cooperation in Space” event is from Friday, May 8  at 10:30 UTC to Tuesday, May 12 at 16:30 UTC. using a transmit

So far I have tried only SSTV reception on VHF at 145.800 MHz and I had received a few images earlier. This time the SSTV transmission from the

Including an AM (Medium Wave) radio in a “Go Kit” is one of the most practical decisions for emergency preparedness. While FM is great for local music and

These days we are used to Dual In-line Package (DIP) ICs. In fact, I am seeing a Single-In-Line (SIL) Package IC for the first time. I located this

I had a UPS which had gone out of order. Took out the transformer for repurposing into a DC power supply as it was a heavy duty one.