Tip for troubleshooting the Raspbery PI camera module Recently I was developing an application with the raspberry PI camera module, when the camera stopped working. The error when running raspistill was “mmal_vc_component_create: failed to create component ‘vc.ril.camera’”. I […]
Detecting a higher voltage on a Raspberry PI pin In a Raspberry PI application I made recently I wanted to detect if a 24 volts circuit was powered. As you probably know the Raspberry PI pins can only handle […]
Raspberry Pi to netduino serial communication The Raspberry Pi and Netduino both got their strenghts, but what if they can talk to each other? I did a small proof of concept and got them to do […]
Fun with Raspberry PI, Node.js and websockets I recently did a cool proof of concept; a raspberry PI running Nodje.js with a PIR sensor that emits messages if there is movement, and a Node.js webserver that serves […]
Aplifying stuff with an non-inverting op-amp Just a quick reminder note. I needed to amplify a CV trig signal from my Eurorack system because the Roland SH-09 needed more than 7,5 volts. I did a little […]
Arduino button class I’m currently working on power control and switching system for a model railway, and I was in the need of a good way to handle buttons, so I created a […]
Modernizing a vintage tv set Some friends of mine are starting a cafe whose interior style will be inspired by the the swedish fifties (“funkis”). She bought an old vintage television set and asked me […]
Changing the battery of the Kawai SX-240 A while ago I bought an old Kawai SX-240 synthesizer. The SX-240 suffers from problems with a rechargeable NICad memory battery that can start to leak after some time. The […]
Emulating hardware with Netduino One incredibly funky thing you can do with the Netduino is to emulate hardware really simple using interfaces and linked files.
