# Teensy connection issue

**URL:** <https://mworks.discourse.group/t/teensy-connection-issue/1095>\
**Category:** Support\
**Created:** [May 16, 2025, 6:44pm UTC](https://mworks.discourse.group/t/teensy-connection-issue/1095 "2025-05-16T18:44:55Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [May 19, 2025, 2:40pm UTC](https://mworks.discourse.group/t/teensy-connection-issue/1095/2 "2025-05-19T14:40:42Z")

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Hi Vladyslav,

Have you [installed the Firmata firmware](https://mworks.discourse.group/t/setting-up-an-arduino-or-compatible-microcontroller-as-a-firmata-device/57) on the Teensy?

Cheers,  
Chris

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