# roPlug: A configurable scroll wheel prototype

**URL:** <https://community.frame.work/t/roplug-a-configurable-scroll-wheel-prototype/10266>\
**Category:** Expansion Card\
**Created:** [November 1, 2021, 2:32am UTC](https://community.frame.work/t/roplug-a-configurable-scroll-wheel-prototype/10266 "2021-11-01T02:32:47Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![ExplodingWaffle](https://sea1.discourse-cdn.com/flex001/user_avatar/community.frame.work/explodingwaffle/32/6616_2.png) [@ExplodingWaffle](https://community.frame.work/u/ExplodingWaffle)\
**Post date:** [November 1, 2021, 9:22pm UTC](https://community.frame.work/t/roplug-a-configurable-scroll-wheel-prototype/10266/3 "2021-11-01T21:22:54Z")

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why do you need the usb A adapter? does it physically fit?  
i noticed on the schematic you have two 22 ohm resistors on CC and VCONN- this is wrong, you should have one 5.1k resistor on CC. might explain it

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