Category Archives: Explained

DIY USB Pedal device

Sometimes you just need a special USB device for your computer. As your feet are always free, we wanted have a pedal device. The pedal device can act as a keyboard or as a mouse depending on your needs. Just think for the ones experience disabilities. In our special case we wanted a device, that… Read More »

Rotary encoders

See video explanation of this article here: Preface Rotary encoders are pretty cool and easy way to interact with our software. However it is not straight forward to achieve trusty operation with it. The problem in the physical characteristics of these devices, that I will explain in this essay. The second most problematic thing is… Read More »

Playing with RF24L01+ RF module

Preface Recently I’ve received an order from China containing lots of cool stuff. One of this is a cheap radio frequency module. I was playing around with this a bit and I’m happy to share my experiments with you.   Kickstart I had lots of trouble staring up the unit. Fortunately there is an Arduino… Read More »