# Trying to use keyboard extension with CPB & Makecode ("hex file not available")

**URL:** https://forum.makecode.com/t/trying-to-use-keyboard-extension-with-cpb-makecode-hex-file-not-available/9679
**Category:** Adafruit Circuit Playground Express
**Created:** [August 16, 2021, 4:59pm UTC](https://forum.makecode.com/t/trying-to-use-keyboard-extension-with-cpb-makecode-hex-file-not-available/9679 "2021-08-16T16:59:57Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![CPB\_2021\_MD](https://avatars.discourse-cdn.com/v4/letter/c/43a26b/32.png) [@CPB\_2021\_MD](https://forum.makecode.com/u/CPB_2021_MD)
#### Post date: [August 16, 2021, 4:59pm UTC](https://forum.makecode.com/t/trying-to-use-keyboard-extension-with-cpb-makecode-hex-file-not-available/9679/1 "2021-08-16T16:59:57Z")

</div>

Hi all! Trying to create a simple keyboard type command - “hi” when button a is pressed. When trying to download the file, makecode site says “hex file not available”.

Please help!

Thanks