Alarm clocks upgraded with the trends of technology. Everyone is looking for best alarm clocks suited for him. But the old fashioned ones still has their fans appeal. Handy transmitter-controlled ...

Here is an ultra simple automatic light switch circuit for bedrooms. After construction, connect the input terminals of this circuit in parallel to the internal buzzer terminals of a Quartz-Alarm ...

To avoid being overwhelmed by the myriad options when shopping for a clock, consider their key features to find the best wall ...