mercury switch

Microbit | Sensor Series 14 – Magic Light Cup Sensor

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Microbit | Sensor Series 14 - Magic Light Cup Sensor

01 Introduction The Magic Light Cup module consists of two identical sensors, each equipped with an LED and a mercury tilt switch. The mercury switch provides a digital signal indicating whether the sensor is tilted, and PWM can be used to adjust the brightness of the LED. Thus, tilting one light cup can illuminate the … Read more

Microbit | Sensor Series 13 – Mercury Switch Sensor

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Microbit | Sensor Series 13 - Mercury Switch Sensor

01 Introduction The mercury switch is a sensor that utilizes the excellent conductivity and fluidity of mercury to control circuit switching. It consists of a glass tube, mercury, fixed electrodes, and leads. 02 Principle Mercury Mercury is a chemical element, element number 80 in the periodic table, commonly known as quicksilver. Its chemical symbol is … Read more