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 ...

Over on his YouTube channel [Electronic Wizard] has released a video that explains how infrared (IR) remote controllers work: IR Remote Controllers protocol: 101 to advanced. This video covers the NEC ...

Here's a few details on the Infrared Remote Control Extender unit I designed and built to control my NAD T752 A/V receiver. The NAD T752 has an IR input socket on the back of it for system installs ...

This project sprang from the need to be able to remotely control audio-visual equipment placed inside cupboards. RF-based commercial units such as those used for home theatre were found to be overkill ...

Specified for 3V operation, the TSOP34838SS1A infrared (IR) receiver module is capable of operating on voltages down to 2.4V at a distance of up to 35m. The device integrates both a photo detector and ...

Melding together a photodetector and preamplifier in a single package, the TSOP7000 IR receiver features a 455-kHz carrier frequency and is optimized for use in multimedia end-products. The module can ...