In the wake of becoming a parent, I need to nerd some stuff together for the unborn, and to have an excuse to use my 3dprinter and soldering iron and hack togehter some quick-n-dirty code:)
After reeding up on various sites regarding the inner workings of the Vovo’s MELBUS protocol, it was still a mistery how to send text to the display. However anybody who had the knowledige didn’t speak of it :(.
Having experienced some major WIFI problems over the years, with the overly crouded 2.4 ISM band. I decided to dust of the good old CC2500 chip, and get it running, properly. The reason for this chip? the 8-bit RSS value you can acquire from it. These day’s, the very cheap NRF24L01+ is rather nice, and cheap, but with a 1bit RSSI ‘threshold’, not very useful for these kind of setups.