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Claudio Fritsche
2025-02-03 07:04:14 +01:00
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99 Work/0 OneSec/OneSecNotes/30 Engineering Skills/Communication Protocols/PWM.md
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# Alternative Protocols
In the drone community the standard pwm has become too slow and therefore it has been adapted. It was mostly the update rate which was too slow
## Overview
A good overview page can also be found [here](https://oscarliang.com/esc-firmware-protocols/).
|ESC Protocol|Signal Width|Lowest Update Rate|
|---|---|---|
|**PWM**|1000-2000us|0.5KHz|
|**OneShot125**|125-250us|4KHz|
|**OneShot42**|42-84us|11.9KHz|
|**MultiShot**|5-25us|40KHz|
|**DShot150**|106.7us|9.4KHz|
|**DShot300**|53.3us|18.8KHz|
|**DShot600**|26.7us|37.5KHz|
|**DShot1200**|13.3us|75.2KHz|
|**DShot2400**|6.7us|149.3KHz|
## Oneshot
Oneshot42 vs Oneshot125
## Multishot
## Proshot
## Dshot
Dshot150 vs Dshot300 vs Dshot600
Bidirectional --> feedback