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ТЕМА: E-Coder Mini Diagram - What are VT ?

E-Coder Mini Diagram - What are VT ? 19 Авг 2018 17:22 #1

  • M0CKE
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Hi All

I ahve an E-Coder Mini and i'm looking to create a daughter-board with buttons, encoders and LED's on.

I want to understand what the VT units are that are connected to LEDPRIM and LEDSEC which then have 3 LED's after them

Could someone explain please?

Thanks

MAK
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E-Coder Mini Diagram - What are VT ? 02 Янв 2020 10:29 #2

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I too would like an explanation on what LED- Prim and Sec are. I take it that VT1 and VT2 are MOSFETS but in which situations are they used? :?
73 oz8pm
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E-Coder Mini Diagram - What are VT ? 04 Янв 2020 19:24 #3

  • iw7dmh
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They should be the outputs for encoder and keyboard keys leds. The settings are in the Options->Panel menu (see the attached picture).
For what I know the E-Coder protocol is not open, but you could consider using the TCI protocol.
In a few days I should publish a Arduino (ESP32) library that cover almost every 1.3 TCI command.

You can use it for everything you need.
In the second picture you can see a typical application: an automatic band switch with hw com port for each receiver.

73' Enzo
iw7dmh
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Последнее редактирование: 04 Янв 2020 19:33 от iw7dmh.
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E-Coder Mini Diagram - What are VT ? 07 Янв 2020 08:53 #4

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Hi Enzo

I also thought about using TCI for this task but as far as I can see that necessitates a listener between the eesdr and the usb-based peripheral (ie. an alternative e-coder). On the other hand that solution could provide extended functionality over the original e-coder!

I would be VERY interested in seeing your implementation of the Arduino TCI-library (I’m almost solely use STM32 but it shouldn't be a problem porting it).

Vy73 de OZ8PM, Peter
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