Controllers & Sensors
Acupuncture point locator
This circuit is used to locate the sensitive acupuncture points on the human body. Acupuncture belongs to the traditional alternative medicine. This healing method require the knowledge of the correct location of the important ponts of the body. Traditional acupuncture specialists rely on their expert knowledge to locate these points. Many of them also use [...]
Analog switch circuit
This analog switch circuit is designed to switch on or off and analog line. it consists of two analog switches in IC form that are controlled by two pushbutton switches. In standby mode the voltage at the control pins of the analog switches is low. When the ON buttond is activated, this voltage increases exceeding [...]
Coffee thermometer
Why measure the temperature of the coffee? Well, coffee taste depends on two things. First, how strong the coffee is and second, how hot it is. The second criterium is quite easy since most of the coffee drinkers prefer to have it hot, that is, around 80 degrees centigrade. Since not everybody has a built-in [...]
