Note:

The version in the repository is an ongoing development. It could and will contain bugs. To make sure you use the latest fully tested firmware, check the releases!

TEF6686_ESP32

Advanced Tuner software for NXP TEF668x tuners with ESP32 board
Based on Catena / NXP semiconductors API

More information: https://www.pe5pvb.nl/tef6686/

Setup

During boot hold:

BW button to change rotary encoder direction
Mode button the flip screen
Standby button to calibrate analogue S-meter
Rotary button to switch between normal and optical rotary encoder

Manual

STANDBY SHORT PRESS: Switch band
STANDBY LONG PRESS: Standby
ROTARY SHORT PRESS: Set stepsize or navigate
ROTARY LONG PRESS: Toggle iMS & EQ
MODE SHORT PRESS: Switch between auto/manual or exit menu
MODE LONG PRESS: Open menu
BW SHORT PRESS: Switch bandwidth setting
BW LONG PRESS: Switch mono, or auto stereo

Instalation

Recommended method: You can download already compiled software and upload it using prepared script from release page.

Alternative method: You can download source code from release page or using git.
git clone https://github.com/PE5PVB/TEF6686_ESP32

Then compile and upload it using for example Arduino IDE (remember to select ESP's serial port).
Important you need to fill your User_Setup.h file (located in Arduino/libraries/TFT_eSPI folder) with these values:

#define ILI9341_DRIVER
#define TFT_CS          5
#define TFT_DC          17
#define TFT_RST         16
#define LOAD_GLCD
#define LOAD_FONT2
#define LOAD_FONT4
#define LOAD_FONT6
#define LOAD_FONT7
#define LOAD_FONT8
#define LOAD_GFXFF
#define SMOOTH_FONT
#define SPI_FREQUENCY   10000000

ALL OTHER SETTINGS SHOULD BE REMARKED!

From v1.16 you need to update your ESP32 boards in board manager to v2.x
In case you experience QRM from the screen on 90MHz, try to lower the SPI_FREQUENCY parameter.

Connecting analog signal meter

                      to meter
                          |
                R         V
  IO27 -------=====-----=====---|
               1 k     5 k POT

Contributing

We are open for a new ideas in our project. Feel free to share your thoughts in Discussions.
You can also contribute your own code using Pull Requests. We will review it and merge into main branch.

You are using our software and you found a difficulty? Please create new issue and describe your problem.

We also would like to invite you to join our Discord community where we share our ideas and help each other with some issues.

Special thanks to all contributors. You are awesome! ❤️

License

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

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