du1vss (D.I.Y.)

It's all about ham radio. Although some of my projects involved transmitters, rf amplifiers and antennas that operate outside the ham bands, these things are solely for educational purpose only and experimentation.

Tuesday, June 20, 2023

DIY Arduino Uno Data Logger

›

Another great project that you can make with arduino is the datalogger. The basic design of a logger calls for a timer, a memory and convert...

Wednesday, September 28, 2022

Homebrew SWR / Power Meter for HF and VHF

›

A friend is asking if I can fabricate a low-cost SWR/power meter with accurate performance up to 144MHz. One of the designs I have attemp...

Monday, September 26, 2022

Digital Tank Level Meter

›

At my current workplace, we operate with large tanks designed for storing huge quantities of chocolates. Regrettably, these tanks lack built...

Sunday, June 23, 2019

Programming TK-3000:M6

›

My new company just bought 10 pcs of Kenwood TK-3000:M6 radio to help our communication inside the plant but the supplier only ...

10 comments:

Saturday, November 3, 2018

Voice Activated Repeater Controller Using LB1403N

›

Here is my first attempt to construct a voice activated repeater controller using a VU driver IC LB1403N. Instead of driving a group of...

3 comments:

Saturday, March 31, 2018

Mosfet Replacement in Pallet Amp Trick

›

I would like to share my trick in replacing the mosfet from pallet amplifier which I learned from my experiences in pallet fabrication and ...

Sunday, January 28, 2018

DDS based VFO

›

Another weekend project is this variable frequency oscillator based from dds chip. I found this project useful in my home brew dsb trans...

‹

›

Home

View web version

About Me

hevirred: Hello, I'm Vir, a ham radio operator with a callsign of DU1VSS. I hope you find this blog useful and interesting. Feel free to send me an email if you have questions about my project. Thank you and 73. hevirred@gmail.com

View my complete profile