Is It Difficult to Control a Walkie-Talkie Remotely Using Raspberry Pi?

Is It Difficult to Control a Walkie-Talkie Remotely Using Raspberry Pi?

Al Williams (Call sign: WD5GNR) wrote about Hambone on Hackaday, which acts as a computer interface for the walkie-talkie by listening to DTMF commands and can activate the walkie-talkie’s PTT button to play audio via the Raspberry Pi’s GPIO. Controlling a Walkie-Talkie with Raspberry Pi By: Al Williams Today’s amateur radio equipment often has remote … Read more

From Mechanical Pencils to LCD Screens: The Artisan Spirit of Sharp

From Mechanical Pencils to LCD Screens: The Artisan Spirit of Sharp

– ShenzhenWare – Editor’s note: This article is sponsored by Sharp Corporation, and the editorial team of “Rocket CafĂ©” independently composed it, authorized for publication by Shenzhen Bay (Public ID: shenzhenware). This article mainly narrates the story of Sharp’s founder, Tokuji Hayakawa, during the establishment of the company, from the invention of the mechanical pencil … Read more

Choosing the Right SDR Radio: 8-bit, 12-bit, 16-bit, 18-bit, or 24-bit?

Choosing the Right SDR Radio: 8-bit, 12-bit, 16-bit, 18-bit, or 24-bit?

How much is worth spending?Written by: Onno VK6FLAB This week, I finally decided to buy my first software-defined radio with transmission capabilities. For me, this was not an easy choice, as I had to choose from products ranging from low prices to “beyond my budget,” and there are countless options among these choices. Aside from … Read more

Creating a Multi-Functional MP3 Radio with ESP32

Creating a Multi-Functional MP3 Radio with ESP32

Project Name: ESP32 Mini E-Ink Screen MP3 Radio Multi-Function Project Author: Licorice Acid Not Sour Introduction If this “open-source project” could take me back to elementary school… Then the whole grade would be in an uproar!!! And I would definitely become the most stylish kid in the grade! Full Text Navigation Project Description, Software and … Read more

Exploring QRadioLink: A Comprehensive SDR Application for GNU/Linux

Exploring QRadioLink: A Comprehensive SDR Application for GNU/Linux

QRadioLink SDR Client Application for Linux QRadioLink is a GNU/Linux multi-mode (analog and digital) SDR (Software Defined Radio) transceiver application that utilizes the network to achieve radio to VOIP bridging (radio over IP). It is built on GNU Radio and allows experimentation with different digital and analog radio signals using a Qt5 user interface. Possible … Read more

10 Amateur Radio Applications to Make Your Raspberry Pi Useful

10 Amateur Radio Applications to Make Your Raspberry Pi Useful

The Raspberry Pi is a microcomputer the size of a credit card, capable of running Linux and Windows 10 operating systems. Despite its small size, the Raspberry Pi is powerful and highly expandable, truly embodying the saying, “Though the sparrow is small, it has all the vital organs.” However, many friends buy a Raspberry Pi, … Read more