Designing a pan\ tilt camera tracking system using ADS-B 1090MHz signals

In my quest of pulling things apart and building useless projects, I have been playing around with a RTL Spectrum analyzer / software defined radios, ADS-B signals and antennas. It all started with trying to replicate my garage door opener by reverse engineering the 433Mhz RF signals and ended up with me tracking ADS-B signals…Continue reading Designing a pan\ tilt camera tracking system using ADS-B 1090MHz signals

fortnite lamp

Wifi, battery powered, USB rechargeable Fortnite lithograph

Now isn’t that a mouthful… My nephew like all other teens, is into Fortnite. He also discovered RGB LEDs…. So, I thought I’d upgrade his AliExpress 5/10m RGB strip to a Wi-Fi enabled, 16 million colour, battery powered, USB rechargeable Fortnite lithographed 3d printed lamp! All in all, it was a pretty easy project, but…Continue reading Wifi, battery powered, USB rechargeable Fortnite lithograph

Virtualmin: connect to Milter service inet:localhost:8891: Connection refused

Came across this error on Debian 9 and Virtualmin. When setting up DKIM for email delivery it seems like it cant connect to the milter. Error logs were showing Also running netstat -natpu | grep opendkim showed nothing. A couple steps to fix, Go into Virtualmin > Email Settings > DomainKeys Identified Mail Disable DKIM…Continue reading Virtualmin: connect to Milter service inet:localhost:8891: Connection refused

Xamarin.Forms Shell Error: XLS0503 A value of type ‘MenuItem’ cannot be added to a collection or dictionary of type ‘IList’.

In Xamarin.Forms Ive found when starting a new Shell project I have come across the error XLS0503. It usually comes about during the building of the menu structure. As you add menuitems and shellcontent to shell, the XLS0503 error will begin to pop up. Solution Pretty simple, completely clean the solution by right clicking on…Continue reading Xamarin.Forms Shell Error: XLS0503 A value of type ‘MenuItem’ cannot be added to a collection or dictionary of type ‘IList’.