IR LED emits infrared light, and used in TV remotes. This Infrared is received by the receiver TSOP17XX (TSOP 1738used in TV). TSOP17XX receives the modulated Infrared waves and changes its output.

This light activated remote switch circuit could be operated using a flashlight beam and could eb used for toggling a specified load from a distance using an external light source such as a flashlight ...

It’s fun running into a remote that works well with Z-Wave or Zigbee setups. There are options out there, but not all of them maintain solid connectivity while also sporting a good battery life. This ...

We frequently get home automation tips, many of which have simple circuit-based on/off control for lights. [Paulo Borges] has created something quite different, however, with his in-the-wall ...

As the only electronics engineer in my family and circle of friends, it is sometimes not possible to evade an appeal for help. This time the request came from a friendly elderly lady in a retirement ...

“The core feature of this device is its incredible versatility,” says one reviewer. “It boasts four physical buttons, and ...