EDN

IR Decoder & Encoder — Part 2 (DIY 38-kHz IRTR Module)

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 ...
Hackaday

Bare Bones Arduino IR Receiver

Old infrared remote controls can be a great way to interface with your projects. One of [AnalysIR’s] latest blog posts goes over the simplest way to create an Arduino based IR receiver, making it ...
Hackaday

Multi Input IR Remote Control Repeater

[Peter]’s folks’ cable company is terrible – such a surprise for a cable TV provider – and the digital part of their cable subscription will only work with the company’s cable boxes. The cable company ...
ecoustics

Crestron HD-TX1-F and HD-RX1-F HDMI Transmitter/Receiver

Crestron has released an HDMI-over-fiber transmitter and receiver pair that provides a remarkably powerful, easy to install solution for extending uncompressed HDMI and IR/RS-232 control signals up to ...
EDN

IR–S/PDIF Transmitter

The best-known ways to transmit a digital audio signal (S/PDIF) are to use a standard 75Ω coaxial cable or Toslink optical modules with matching optical cable. Naturally, it can happen that for ...