This air cooling device will cool incoming air with 5.5 Degrees. It is fairly easy to build and much of the materials used can be found free or at very low cost. It uses extremely little electricity compared to other airconditioners. This device is rated at only 6.72 Watts. It operates as an evaporation cooler … Continue reading DIY Low Cost Energy Efficient Air Cooler – The CoolMachine
I received this message fan as a gift. After putting in my own message ( instead of the default PHASE 1 – PHASE 2 etc ) as per the included instructions, I found that it always lost it’s message if left switched off for a while. It did this with batteries inserted and even with … Continue reading USB Programmable message fan – loses program when switched off.
Introduction Many people who are interested in having a wind power system ( wind generator or turbine ) end up building one themselves. This happens because of the huge cost savings involved. It is not difficult to build a wind power system from easily obtainable parts. Tools needed are not more than what is found … Continue reading DIY Wind Generators