Category Archives: Arduino

So I did a quick video for Linuxfest 2018. Took a stab at an animated gif I tried to upload it here to my blog, going to have to settle for a still. Here is the video on youtube  

Almost missed the deadline for Linuxfest papers. Put in two, one for Arduino another for related to my video regarding tools for Windows admins managing Linux Servers. One curious thing this year is that they allow for commercials.  Hmm gonna … Continue reading →

Unusual meetup today, usually we talk electronics, today we talked mostly 3d printers. Someone brought in this gem It is a 3D printer that works by flashing an image on to resin while the platform sinks at each layer. It … Continue reading →

This is just for those superhet 433Mhz Receivers. I tested one yesterday with a 3.3V VCC and I did not see it go over 3.3V. I don’t have it in the image above but I put a 3.3v to the … Continue reading →

Getting a secondary transmitter up.  The other one seems to go offline, hoping the new one works better. Initially it works, hopefully it works tomorrow.

I like this setup. It is small and uses less parts.  I can pass on the cheaper modules if I need to.  It is so much easier to set up, it is worth the higher cost.  

This is fun, I finally got the device to configure via web page. I was able to get this working right. Looks good, cleaning up the code to get it to work with some errors.    

Recall my past few posts and I been mentioning the use a of a 433mhz receiver. On this picture the three on the left are Superheterodyne and the one on the right is a Super-regenerative The superhet is supposed to be better … Continue reading →