Description of proximity switch development

A project log for DIY Low-cost AT Switches

Low-cost, homemade AT switches that, unlike Jelly Bean buttons, work by many forms rather than by contact or pressure

Erick camposErick campos 08/22/2018 at 17:420 Comments

Certainly the section describing the development of the proximity switch is complete. The circuit of the transmitter module is similar to the puff swicth circuit, but in the proximity switch two infrared LEDs are used to detect an obstacle (it can be the hand, arm and even the user's foot).