All posts by Albert Kannemeyer

WiFi Signal Strength Meter – in dBm

This free Android application by NeoFrontier Technologies will display all the signal strengths of all the available WiFi access points in your vicinity.  Signal strengths are given in dBm next to the Access Point Name and BSSID or MAC address:   This application is a tool used for debugging WiFi networks. It can be used … Continue reading WiFi Signal Strength Meter – in dBm

DIY Low Cost Energy Efficient Air Cooler – The CoolMachine

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