Touch Free Key Switch

April 12, 2022

New Touch Free Key Switch TF series

Yeswitch Research and development team developed the contactless button switch TF seires at the request of customers. The switch closure can be controlled without any contact between hands and the switch panel at 30mm away. Solved the epidemic period. The embarrassing situation of using toothpicks and keys on the elevator.

TF serious Touch Free key switch. Is my company in the original PT modified on the basis of photoelectric Touch switch series, perfect solve the button switch, must use hand contact with working principle of performances is superior to common capacitive Touch switch, in the elevator button, entrance guard system, medical equipment, public places button with no contact switch precedent.

TF series switch working principle:

When the finger approaches the surface of the switch (20mm-40mm) , the signal changes between the transmitting end and receiving end of the photoelectric switch triggering the output

Signal VCC of the control chip. Whether the switch is started or not is indicated by LED indicator light, buzzer or vibrator. The normal state is that when one color is triggered, it changes to anothe color, so as to control the starting and closing of the equipment.

Touch Switch