As I mentioned in my other post, I wanted to re-do the temperature sensor, this time on my own PCB. Driven by the hunger for instant gratification, I have overcome my fear of home-made PCBs using toner transfer and ferric…
Software only solution for feeding weather data to emoncms
I have installed emoncms to try it as alternative to my own data visualization software. It is quite nice piece of software and is open source. I then wanted to gather weather data but lack the hardware to measure humidity,…
Monitoring of my heat pump performance
Having the heat pump in place, I decided that the next logical step is to be able to monitor its performance. The reasons behind that are simple 1) It is a home made hack job, not a ready product so…
Custom defrost algorithm for Daikin heat pump
One of the things that has been quite annoying about my Daikin heat pump converted to air-water system, is the defrosting algorithm, or is it better to say the lack of defrost algorithm. Basically below 5 degrees Celsius it defrosts…
Control Daikin air conditioner over the Internet
[Edit] I now offer limited numbers of pre-built units in my shop. Here is a small home-automation project that I have been working in my free time. I wanted to control my home-made air source heat pump system (based on Daikin FTX71GV /…