Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper ...

Two communication links consisting of IR and RF are being used by this remote control which is subdivided into three parts as separate boards including RF transmitter, IR transmitter, and IR/RF ...

As you might have noticed, the 38-KHz pulse generator is built around the evergreen timer chip NE555P (IC1). Here, the RC components (R5-C3-P1) set the astable frequency to drive the infrared light ...

FFE's Fireray Reflective combines an infrared transmitter and receiver in a single unit. A beam is projected onto a high-precision prismatic reflector mounted on the opposite wall and the signal is ...