IK1ZYW Labs

I have been able to program an ATtiny2313 with a very simple setup: 1 DB25, 3 resistors and one 20-pin socket avreal32 Win software computer...

Thanks to the interest of a colleague in my optical experiments, I sped up the work on my MCW light receiver. Using a 10mm red LED at ca. 30...

I started working on this circuit long ago, and never used it thoroughly. Given that NiMH cells can be slow-charged at a constant current ra...

I'm copying and pasting this text here for future personal reference. A Good Reading anyway! The Radio Amateur is CONSIDERATE ...never k...

I've read on CNN.com a long article about hypermilers . I've read on WIRED (April 2008) about a fake company that promised electric ...

If you've browsed through my past posts, you probably know I like to do outdoor VHF contesting. Since I usually carry my station on my s...

I posted this request on the GQRP reflector. I am looking for an external keypad to match my FT-817 that can be built at home. Has it ever ...

I had a little more than 50 QSOs from Rab, nevertheless I wanted to design a nice QSL front. This originates from a digital picture I shot, ...