About half a year ago I installed a 3 meter warm white led strip above my desk. Although I didn’t spend a lot of money on it I am really happy with the light quality and intensity. Lately I was thinking about adding more LED strips and was checking the options. One important aspect [...]
this is another entry for the 555contest.com Introduction
A certain knock at the door may tell you if the person behind it is the one expected or just somebody else. Each knock on the door itself cannot tell you too much, it can be lighter or stronger and that’s all about it, there’s [...]
The RFM12B modules from Hoperf are small, cheap and offer a lot of features.
But their size has a slight drawback: both the SMD modules and the through-hole ones have 2mm pitch instead of the standard 2.54mm (100mil). This makes them incompatible with breadboards or prototyping PCBs. That is why I needed to make [...]