We’ve seen no shortage of projects that use the ESP8266 or ESP32 to add “smart” features to existing home appliances, often by pairing the microcontroller with a radio or IR transmitter. If your ...

The transmitter project provides 2 channels for transmitting and receiving which operates on the 418MHz frequency. The circuit utilizes a few ordinary components to create the RF transmitter and RF ...

Abstract: Direct digital-to-RF conversion at the antenna interface offers many exciting opportunities to push the performance envelope of RF transmitters in efficiency, area, signal bandwidth, and ...

Powercast has unveiled its Ubiquity wireless power transmitters, which use radio frequency (RF) power to charge devices over the air. The Pittsburgh, Pennsylvania-based company showed off its Ubiquity ...

It is often required to switch electrical appliances from a distance without being a direct line of sight between the transmitter and receiver. As you may well know, an RF based wireless remote ...

Designed to be economical, Powercast claims that it has lowered the barrier to entry where RF wireless power can actually become ubiquitous with multiple RF transmitters covering every home. Ubiquity ...

Since I've been looking into car MP3 players, a friend of mine told me about an RF transmitter she saw, that you hook into the antenna on your head unit, and would receive from another unit plugged ...