Most consumer remote controls operate using infrared light. This works well assuming the piece of equipment has a line of sight to the remote. But if you have, say a receiver in a cabinet or ...

The relays in the transmitter and receivers use the standard low-side switching configuration with a 2N2222 transistor to pull down the ground side of the coil and energize the coil, as well as a ...

The Remote Control Extender from Next Generation Home Products is nothing like traditional remote control extenders. The difference is that there is NO IR RECEIVER. The transmitter is located within ...

The first step was to record the signal sent out by his remote. A USB Software Defined Radio transmitter/receiver coupled with a program called SDR# read and recorded the signal without a hitch.

A discrete mute control lets you quiet the FM transmitter if necessary. The device is powered from the USB bus, and features user-adjustable output frequencies from 88.1MHz to 107.9MHz.

It has an RF front end for up and down-link , a digital baseband and a microcontroller in the same device. The transmit path uses a closed loop fractional-N modulator, while a serial peripheral ...