# More questions

**URL:** <https://mworks.discourse.group/t/more-questions/373>\
**Category:** Support\
**Created:** [November 2, 2017, 3:36pm UTC](https://mworks.discourse.group/t/more-questions/373 "2017-11-02T15:36:49Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![cstawarz](https://yyz1.discourse-cdn.com/flex031/user_avatar/mworks.discourse.group/cstawarz/32/3_2.png) [@cstawarz](https://mworks.discourse.group/u/cstawarz)\
**Post date:** [November 2, 2017, 3:36pm UTC](https://mworks.discourse.group/t/more-questions/373/1 "2017-11-02T15:36:49Z")

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More questions for you!

1. To control the reward pump, also to send TTL to other devices, do we need a hardware? If so, what is MWork’s output to the hardware (USB?) and is the hardware something we can buy off the shelf?

2. I am using an EyeLink system for eye tracking, how should I input the eye signal to MWorks (USB or ethernet)? Do I need any board in between?

Cheers,  
Arash

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**Author:** ![cstawarz](https://yyz1.discourse-cdn.com/flex031/user_avatar/mworks.discourse.group/cstawarz/32/3_2.png) [@cstawarz](https://mworks.discourse.group/u/cstawarz)\
**Post date:** [November 2, 2017, 3:42pm UTC](https://mworks.discourse.group/t/more-questions/373/2 "2017-11-02T15:42:40Z")

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Same answers as [last time you asked](https://mworks.discourse.group/discussions/questions/774) 🙂

If you use the EyeLink’s Ethernet connection, you don’t need another board between the EyeLink PC and the Mac running MWServer.

Chris

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**Author:** ![cstawarz](https://yyz1.discourse-cdn.com/flex031/user_avatar/mworks.discourse.group/cstawarz/32/3_2.png) [@cstawarz](https://mworks.discourse.group/u/cstawarz)\
**Post date:** [November 2, 2017, 8:34pm UTC](https://mworks.discourse.group/t/more-questions/373/3 "2017-11-02T20:34:29Z")

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Oops, you are right!

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**Author:** ![cstawarz](https://yyz1.discourse-cdn.com/flex031/user_avatar/mworks.discourse.group/cstawarz/32/3_2.png) [@cstawarz](https://mworks.discourse.group/u/cstawarz)\
**Post date:** [July 19, 2022, 9:52pm UTC](https://mworks.discourse.group/t/more-questions/373/4 "2022-07-19T21:52:07Z")

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