A remote control for a beam antenna.

EA2J

New member
Good morning to every body, many thanks for read me.

My name is Arsenio and I am a ham radio. I have experience with Arduino programming but this is the first time that I use a Teensy 4 PCB.

My project is a remote control for a beam antena. I want to build a graphical control console with a TFT 2.8’’ display screen. I know to do it, but I have some dubts.

Document about the linearity of the ADC or analogic sensor.
The SPI connections. CS=10, DC=9, MOSI=11, SCK=13, is OK?
I need read a analog voltage from 0 to 3.3 Volts, the pin 14 is OK?

Many thanks, Arsenio
 
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