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Message #22060

VM1955

Posts: 4

The team Mobiflight/ Thanks for the work done.
I think it is possible to expand the base of devices connected via Mobiflight.
I am referring to stepper motors such as the Nama17 connected via motor drivers.
This will allow the creation of mechanized YOKE or RUD systems.
I tried it on YOKE PMDG737 mechanized model.
L298N - works with jerks, the speed is not regulated. There is no microstep.
A4988 - Works great. Microstep 1/16.
DRV8825 - analog, more powerful, microstep 1/32
Connecting the A4988 driver (2 pcs) - 2 motors Nema17 Mega controller (DRV similar to the datasheet)
1st Motor Offset 0x0BB6 Aileron
Pin setting motor
1 - 13-Dir
2 - 12-Step
3 - Any
4 - Any
Led Output (AP off / on)
9 - EN
Offset 0x6545
Compare
If curent value = 0
set it to = 1
else set it to = 0

2nd Motor Offset 0x0BB2 Elevator
Pin setting motor
1 - 11-Dir
2 - 10-Step
3 - Any
4 - Any
Led Output (AP off / on)
8 - EN
Offset 0x6545
Compare
If curent value = 0
set it to = 1
else set it to = 0

Pin 9.8 can be combined.

I am using three programs:
MMJOY2 - programming USB devices (buttons up to 128 pcs per device, axes, encoders, etc.)
SpadNext - programming control of USB devices via SimConnect (2nd computer)
Mobiflight - programming LEDs, servo and stepper motors, displays

Translated with an online translator. thanks

2021-02-07 09:21