ANALOG AND DIGITAL ELECTRONICS, MICROCONTROLLERS, INSTRUMENTATION,  HAM RADIO, WIRELESS COMMUNICATIONS

HOME ABOUT US HAM RADIO PROJECTS PARTS, KITS DOWNLOADS LINKS
 Updated  16 Aug '11

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 Microwave activity pages updated. 390Km on 10GHz video!
Microwave bands, for hams like us, have the highest fun/$ ratio. Latest news, equipment projects and contacts Log in the Ham Radio section. 
 New project by Hotwater! Pic-plot goes to USB... Without any additional adapter, the new Pic-plot2 GPIB to USB converter directly communicates with your PC or laptop through the USB port. Gives faster downloads from your GPIB instrument and it is self-powered from the host PC: no need of DC adaptor. Low-cost alternative to complex GPIB controllers.

16th August 2011: a new page has been added to the "Ham Radio" section, covering antenna projects an theory. It's just a starter now, but it will be continuously enriched from time to time. 

7th August 2011: 2 stations from Malta contacted on 10GHz from Etna volcano. Great QSOs with strong signals. See details on our  MW contacts page.

18th July 2011: we have made many updates in the "Ham Radio" section of our website. New pages have been added, too. 

23rd April 2011: another contact done via tropo on 10GHz between Sicily and Lazio, with a QRB close to 400Km.  Equipment details, photo gallery and some notes in our  MW contacts page. See also a short video (7MB) recorded during this QSO.

27th August 2009: we have added the new "Ham Radio" section to our website, currently covering our 10GHz activities and projects. Some pages are still under construction, but there is already a lot to read.

10th April 2009: with our homebuilt SSB transverters we have covered 378Km  distance at 10GHz. Equipment details, photo gallery and some notes in our  MW contacts page.

1st June 2008: our website has reached 4200 total visits from 104 countries worldwide. Since its opening on the 1st November 2007, a total of  11900 pages have been read, with an average of 1700 pages per month. May has been the month of our records with 1300 visits and 3000 pages browsed. 

19th of May 2008, our Five by Twenty tubes transceiver has been mentioned in a post by AB8RO in the Talk and Opinions - Amateur Radio section of QRZ open forums. Many positive comments followed, and we publicly thank AB8RO together with all friends telling words of appreciation for our projects. 

14th of May 2008, our Five by Twenty tubes transceiver has been mentioned in the new SolderSmoke News blog by Bill  N2CQR CU2JL M0HBR. This has brought many visitors here, and we have discovered a new interesting source of information for all Hams and victims of  "The Knack". Thanks Bill! 

5th and 6th of April 2008, we had the pleasure to participate to the 2nd edition of MAdS competition with two of our latest projects: Johnny's GPS-based universal clock generator and Andrea's APRS PC-less Weather Station. We respectively ranked 2nd and 3rd place.

1st April 2008: our website has reached 2000 visits total from 93 countries worldwide. Since its opening on the 1st November 2007, a total of  more than 6400 pages have been read, with an average of 1200 pages per month.   

       
    Top-visited projects  
   
#1
Five by Twenty 

A complete QRP SSB transceiver operating on 20m Ham band with only 5 tubes.
#2
Pic-plot2
: a GPIB to USB converter 

Our latest project to capture plots or prints of your GPIB instruments to your PC/laptop through the USB port.
#3
Pic-Plot : a GPIB to RS-232 converter

With this interface board you can capture plots or prints of your GPIB instruments to your PC through the serial port.

Pic-plot
All projects in this website are our own design. You find the complete collection in our Projects pages.
 
       
    Special sections  
   

Parts, Kits 

For Pic-plot and Pic-plot2 we can help you with PCBs, key components, kits or mounted boards.

Ham Radio pages The section dedicated to our radio-amateur activities, mainly focused on Microwaves

Download Area 

Get the schematics, PCB and firmware files that help you build by yourself the projects in this website.
 
 
  Thank you for visiting our website. We think that good ideas are not necessarily complex, but they often get out from a true need smartly addressed. If electronics and radio communications are your coolest interests as ours, here you will discover simple solutions that will warm you up, like the HOT WATER!...
       
The projects presented in these pages are our own design and have been tested and verified by ourselves at the best we can. However, they might be inspired by concepts, ideas, solutions coming from known-art or free resources on the Web. We provide them as  reference designs to skilled hobbyists and technicians  who are willing to reproduce them for non-commercial use. Your results might be different from ours and we cannot be considered responsible for that. Similarly, we are not responsible for any damage or injury you might incur while building, assembling or using the equipments, projects or ideas presented in these pages. The firmware embedded in our projects is our property unless differently stated and when available in the Download Area it is license-free only for non-commercial purposes.  
Hotwater 2007-2011