Everything ready to building Ilyushin Il-62

[Qwseyvnd]

The first successful stepper motor example one revolution, which it spinning but the motor does not go around.
Soon I upload an image.

[Qwseyvnd]

I have been tried in Arduino Forum without big success, so I trying here.

I have an Arduino MEGA2560, 4 rotary encoder for experiment use; in final edition, I will have 20 pieces to use. I want to have 19 resistors to connect them chains from #1 to #20 to just ONE analog pin which is on MEGA2560.
I know that this card operates at 5 Volt and each analog pin can tacle up to 40 mA; thus, that is 125 Ohms. Is that correct, 6,2 Ohms multiply with 19 to getting 117,8 Ohms?
How much power do I need?
In Digikey, I see that I find just, JUST, one resistor with 2 watts and the tolerance is +-1%; so, I need 38 watts ?

[Qwseyvnd]

Finally I found a way form showing just the same I think.
http://www.microchip.com/forums/down...0keymatrix.gif
http://www.microchip.com/forums/m694613.aspx
As you see, this just use ONE pin. Exactly what I am trying to do.

[Qwseyvnd]

Update:
I am trying to understand voltage divider.

[Qwseyvnd]

Successful made prototype for rotary encoder serial with the arduino. I haven't yet programmed in the IDE.

[Qwseyvnd]

Now I have made schematic for the breadboard which includes two standard rotary encoder, which is correct set up. Now I investigate how to interface it with X-Plane SDK.

This function will works that if I turn X or Y, it will make a coordinate point from origo point which can be an airport, then the airplane turn and run to this waypoint/intersection. It is the first prototype; then, I add 9 more with each two rotary encoder which is the complete part of navigation panel.

[Qwseyvnd]

Update about toggle switch
In the Arduino forum, they said it is not possible to have binary toggle switches in one analog pin; but it is possible if I using 3.3v and 5v to make more possiblities.

In the thread I made, one user who wrote said: "Even in real life they must have been a nightmare to wire up."
I have a lot of free time.

[Qwseyvnd]

What I achieved with Arduino card:
- How to set up stepper motor
- How to set up led
- how to set up two rotary encoders.
- How to set up two toggle switches.
Now I need to investigate the SDK.

[Qwseyvnd]

From start until now were a lot of technical paper, now I am doing electronic.

[Qwseyvnd]

Arduino Due
NV-PB 8 *4 stepper motors 32 32
RSBN/VOR correction 5 *4 stepper motors 20 20
52 pins use for Due.
Arduino MEGA2560
LED lys 6 6 6
Brytere 11 11 6
Kompass stepper motor 6 *4 stepper motors 24 24
GO-KR 10 *3 30 but using 5 pins
RSBN/VOR degree/km 2 *4 stepper motors 8
49 pins use for MEGA2560

With the SAM3X8E processor from Atmel, based on the 32 bit ARM Cortex M3 architecture running at 84MHz item, I will using it to calculate navigation if 84 MHz and 96KB SRAM are enough for that.