CAT FT-857D from a web browser Technical aspects

The control of a radio station is usually done by an application installed on a target machine, this application being often developed specifically for an operating system (Windows, Unix, …). After a description of the functional aspects in a previous article, this video presents the technical aspects of the implementation of the FT-857D CAT in a web browser.

The presentation of the technical aspects in pdf.

Source code : https://github.com/Phil-f6czv/FT857-Web-browser-CAT-ESP32

FT-857D CAT from a web browser
Functional aspects

A hamradio station remote control is usually done by an application installed on a dedicated machine, this application being often developed according to an operating system (Windows, Unix, …). This video shows a FT-857D remote control using an application developed on a web browser and therefore independent of the system. The web server is an ESP32 TTGO micro-controller board connected to the FT-857D.

The developments are based on those described in the article on FT-857D parameters display on an ESP32 board.

The video presents the developments functional aspects.

The video is in French but is subtitled in English.

YAESU FT-857D parameters display on a TTGO-T-Display

The work was to port the FT-857D CAT library and the corresponding display application on the ESP32 T-Display. This software was originally developed on an Arduino Nano (see article) The goal was to have a platform of the same size as the Arduino Nano but with in addition to the serial link, an on-board WiFi and Bluetooth.

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FT-1000 Mark V Field panoramic adapter output

The Yaesu FT-1000 Mark V Field does not have an “Intermediate Frequency” output that allows to view a “waterfall” or spectrum view of the selected band using an external device.

This article, after presenting different solutions, describes the solution chosen and its implementation with an SDRPlay RSP2PRO receiver and SDRUno software.

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YAESU FT-857D parameters display with an Arduino

A display of some Yaesu FT-857D’s parameters was developed for a 4×20 LCD screen. The software implements via the serial link the FT-857D CAT (Computer Aided Transceiver) controls and additional readings of the transceiver’s EEPROM. The developments were made from a source code developed for Arduino by VE3BUX.

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