# Recommended RS485 Shield?

**URL:** <https://www.evolver.bio/t/recommended-rs485-shield/214>\
**Category:** Hardware\
**Created:** [October 1, 2020, 4:30am UTC](https://www.evolver.bio/t/recommended-rs485-shield/214 "2020-10-01T04:30:16Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![BBBartelle](https://avatars.discourse-cdn.com/v4/letter/b/7ba0ec/32.png) [@BBBartelle](https://www.evolver.bio/u/BBBartelle)\
**Post date:** [October 1, 2020, 4:30am UTC](https://www.evolver.bio/t/recommended-rs485-shield/214/1 "2020-10-01T04:30:16Z")

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Hi. Which shields do you use for the eVOLVER? I don’t see a particular manufacturer listed in documentation and I’m wondering if mine is causing problems.

Thanks!

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**Author:** ![eduarda](https://avatars.discourse-cdn.com/v4/letter/e/35a633/32.png) [@eduarda](https://www.evolver.bio/u/eduarda)\
**Post date:** [February 4, 2022, 5:54pm UTC](https://www.evolver.bio/t/recommended-rs485-shield/214/2 "2022-02-04T17:54:48Z")

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Hello!  
Did you ever get a reply? I’m searching for the correct shield for the motherboard and for the raspberry pi.

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**Author:** ![heinsz](https://yyz1.discourse-cdn.com/flex035/user_avatar/www.evolver.bio/heinsz/32/52_2.png) [@heinsz](https://www.evolver.bio/u/heinsz)\
**Post date:** [February 7, 2022, 4:54pm UTC](https://www.evolver.bio/t/recommended-rs485-shield/214/3 "2022-02-07T16:54:00Z")

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Hi Eduarda,

This one should work for the raspberry pi, just make sure you _ **do not** _ populate the 120 ohm resistor between the A and B pins.

> **[RS485 serial interface for the Raspberry Pi B+](https://www.abelectronics.co.uk/p/77/rs485-pi#assembly)**
>
> RS485 Pi is a RS485 Serial interface for the Raspberry Pi