DuWayne's Place

While I am waiting on the boards for the SNA 2.8 I decided I want to build a larger 3D printer.  When I designed the case for the new SNA, I...

I have been trying to get a 3.2" TFT 8 bit parallel interface display working with the STM-32 board, but have had several problems.  So...

I had a wonderful time at FDIM and a great visit with my daughter.  Now I am back and need to get working on some of the projects I had on t...

Again this year I was able to schedule a trip to visit my daughter with a stop over in Dayton for FDIM.  I had a wonderful time, and got to ...

With  FDIM only a couple weeks a way, I am hurrying up with the build and programming of the SNA Jr. version 3.   This uses a mixer and simp...

I was working on the SNA  Jr. version 3 circuit board, and did something really stupid.  I had been checking linearity using several in line...

I have been working on the Spectrum Analyzer, and had hoped to get it done in time for the FDIM  'homebrew' contest. Between  wrong ...