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The author wanted a very cheap and simple alarm for some of his possessions, such as his electrically assisted bicycle. This alarm is... -
A circuit for monitoring supply voltages of ±5 V and ±12 V is readily constructed as shown in the diagram. It is appreciably simpler th... -
Strip LEDs are available in different colours powered by direct current (DC) source. These LEDs are available as surface mount devices with... -
The ASUS Eee is a fantastic ultra-portable notebook with almost everything required for geeks (and nothing that isn’t). Plus it features f... -
Simple Purpose Alarm Circuit Diagram . The alarm may be used for a variety of applications, such as frost monitor, room temperature monit...
