QT150-ASG

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Interface - Sensor, Capacitive Touch

QT150-ASG capacitive touch sensors are an excellent choice as an interface solution for a range of industrial applications. As a short-range touch sensing solution, the QT150-ASG provides an accurate and reliable means of interface between a contacting sensor device, such as a switch or a keypad, and a controller or processor.

The QT150-ASG is designed to detect an activated human or animal body condition or an object close by to its sensing area, usually a flat surface. When a user places a finger or other object on the sensing area, the QT150-ASG will detect the presence of this object and send a signal to the processor which then makes a decision. The QT150-ASG can be used for a variety of applications including medical and gaming devices, as well as home appliances.

The working principle of the QT150-ASG is based on the detection of electric fields. It has a circuit board with a sensing area which comprises a grid of electrodes. When a finger or other object is placed on or near the sensing area, it causes a disruption to the electric fields which is then detected by the circuit board and relayed as a signal to the processor. The processor can then interpret this signal to recognise the presence of the object. The QT150-ASG will also detect if the object is removed from the sensing area.

The QT150-ASG is a simple and reliable solution for capacitive touch sensing applications. It is well-suited for medical and gaming applications, as well as home appliances. As a short-range sensing solution, it provides an accurate and reliable means of interface between a controller or processor and a contacting sensor device. The QT150-ASG allows a user to easily determine if a button has been pressed or if an object is close by to its sensing area.

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