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 ...

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 ...

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 ...

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 ...

Wireless charging technology company Powercast has released a new RF-based over-the-air (OTA) wireless power system that enables radio frequency identification (RFID) transmission, as well as a power ...

This video appeared in Microwaves & RF and has been published here with permission. Check out our Sensors Converge 2023 coverage. Batteries are the bane of IoT sensors, but they're typically a ...

Members can download this article in PDF format. In this design idea, you will learn how to interface two PIC microcontrollers using a wireless 433-MHz RF transmitter/receiver pair to control up to ...

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 closet, ...