Hackaday

Morse Code RF Transmitter From A Micro’s Clock Output

If you’re looking for a simple way to make an RF transmitter, check out [Tomasz]’s Morse code transmitter. His design uses nothing more than a microcontroller and a 16MHz crystal to transmit CW Morse ...
Hackaday

rf transmitter

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 ...
EDN

Simple AM Transmitter

There are not many AM transmitters that are easier to build than this one because the inductor is not tapped and has a single winding. There is no need to wind the inductor as it is a readily ...
EDN

Building on a Simple Idea: A Cost-Effective RF Transceiver Chipset That Needs Only a Crystal and a Low-Cost Microcontroller to Complete a Design

Transceiver Disrupts the Economics of Low-Power, Low Data Rate,Bi-Directional Wireless Connectivity for Consumer Electronics, Automotive, Toy, Home Automation and Building Security Markets November 8, ...
Machine Design

RF Power Transmitter Ushers Over-the-Air Wireless Charging into Homes

Powercast will be at CES 2023 with its Ubiquity RF power transmitter, a device it hopes can make a pervasive presence of RF wireless power in smart homes. With this transmitter, Powercast claims to ...