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Update OSD Joystick.md

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docs/OSD Joystick.md
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@ -2,8 +2,12 @@
LED pin can be used to emulate 5key OSD joystick for OSD camera pin, while still driving ws2812 LEDs (shared functionality).
See [LED pin PWM](LED%20pin%20PWM.md) for more details.
Note that for cameras which support RuncamDevice protocol, there is alternative functionality using serial communication: [Runcam device](Runcam%20device.md)
Alao special adapters exist to convert RuncamDevice protocol to OSD Joystick: [Runcam control adapter](https://www.runcam.com/download/runcam_control_adapter_manual.pdf)
# OSD Joystick schematics
![alt text](/docs/assets/images/osd_joystick_keys.png "osd jystick keys")
@ -18,8 +22,9 @@ To simulate 5key joystick, it is sufficient to generate correct voltage on camer
# Enabling OSD Joystick emulation
set led_pin_pwm_mode = shared_high
set osd_joystick_enabled = on
```set led_pin_pwm_mode=shared_high```
```set osd_joystick_enabled=on```
# Connection diagram
@ -34,7 +39,7 @@ RC Filter can be soldered on a small piece of PCB:
![alt text](/docs/assets/images/osd_joystick.jpg "osd joystick")
# Configutring keys voltages
# Configuring keys voltages
If default voltages does not work with your camera model, then you have to measure voltages and find out corresponding PWM duty ratios.