MFJ-993b Web Remote download

Arduino Mega 2560 Code with a standard Ethernet Shield that drives Relays to control a MFJ-993b Autotuner remotely.

Supports Up and Down for manual L and C Tuning, Autotune On/Off, Antenna Selection 1/2 and 100ms Short /1000ms Long for Tune.

Op Note 1: You may need additional power for the 5V relay board; sometimes you can power the 5V relay board from the Mega 2560 - but reset/start the device first and then connect power to the relay board.

Op Note 2: You will need determine pinouts to the MFJ-993b DB9 yourself. This is easy to determine; refer to the manual at https://mfjenterprises.com/products/mfj-993b#product-manuals

*Note for ESP32*

See https://github.com/dl9sec/MFJ-993WWRC for working with ESP32 modules. It works very well with the MFJ-993B and is a great project! Opto-Isolators are recommended rather than FETs ! Enhancements to this may appear that include additional functionality that this project incorporates.

Features

Web control of MFJ-993B
Remote Control MFJ-993B
Mega 2560
Ethernet
MFJ-993b
Tuner
Amateur Radio

Project Samples

Project Activity

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License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

User Interface

Web-based

Registered

2020-10-28

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