So it is no surprise that hams like [jmharvey] will build an antenna analyzer from a DDS module and an Arduino instead of dropping a few hundred dollars on a commercial unit. As he points out ...

The Arduino connects to the FM radio module over I2C. The existing antenna was connected to the TEA5767 module. The radio module outputs stereo audio, but [Marcus] was content with using just a ...

What do you pick when you want to make something with a nostalgic touch? A radio, of course! Well, the project presented here is about building a compact Arduino FM Radio with the help of an ...

Someone has invented a way to add Wi-Fi to a standard Arduino Uno, by proposing a module that drops into the DIL socket ... plus an Espressif ESP8285 for the Wi-Fi interface, a Wi-Fi antenna and ...

Adafruit has announced the availability of the ESP32-S2 WROOM Module with PCB Antenna equipped with 4 MB flash and available to purchase priced at just $3.25. The new module is the single-core 240 ...

The quintplexer module directs PCS and cellular signals from the same antenna without the need for switches and control logic. This eliminates the space, cost, and electrical loss of the switch ...