Install a programmable thermostat Keeping your thermostat set low and then trying to heat your home up quickly, such as when you return home, can cause it to expend more energy and cost you more ...

大牯牛山“纵火烧山” 官方通报12人被行政处罚 网友称牢底坐穿呢 ...

[ned] received a free X10 RF remote. He popped it open to discover that the device is actually based on a PIC. By replacing the PIC with his own he’s able to issue any X10 command using the ...