can you explain me how to use photoresistors as pitch analog?  Can you send me something like a schematic?
I ask you this because I saw the B58 Cockpit and I don't understand why you use two photoresistors.
Thanks, Mirko.
Oct 27, 2019 in Hardware by

2 Answers

Photo resistor, also know as light dependent resistor (LDR), are light sensitive most often used to indicate the presence or absence of light, or to measure the light intensity. in the dark, their resistance is very high, some times up to 1MG, but when the LDR sensor is exposed to light, the resistance drops dramatically, to a few ohms, depending on the light.

in SimVim work as a same lineal potentiometer code in configurator.


from Colombia.
Oct 27, 2019 by


In general, common potentiometers can be perfectly used for this, at least for for throttles, mixture, prop, rudder.

 As for photo-resistors,  I've been often using the LEDs/Photoresistors for main axes before. When it was a simple "Game controller" input for joysticks the only one sensor was used as 100k photoresistor.

When Arduino analog input is used  we need  a pair of "differential" photoresistors connected as a potentiometer.

Each of them is lighted by LED. When LEDs are moving with the yoke, resistance of one photoresistor is increasing, while the other is decreasing.

In Baron simulator I've implemented the following schematic:

Also, you can try different mechanics, for example the rotating  (tilting) LEDs as I have pictured on the diagram here:


Nov 26, 2019 by