> For the complete documentation index, see [llms.txt](https://mariah-brandon.gitbook.io/soil-liquifaction-manual/XitgxfzIAOCULyDqoF79/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariah-brandon.gitbook.io/soil-liquifaction-manual/XitgxfzIAOCULyDqoF79/7.-loading-firmware.md).

# 7. Loading Firmware

1. Download the firmware for your project from [www.tangiblesthatteach.com/downloads](https://mariah-brandon.gitbook.io/soil-liquifaction-manual/XitgxfzIAOCULyDqoF79/www.tangiblesthatteach.com/downloads). 

![](/files/LNfeNoW1WBa3CFwGGAfU)

2\. Open the file browser/finder on your computer. 

![](/files/yrAwtuGISAeQuP8UcTAU)

3\. Ensure the probe is not plugged into the junction box, and the USB cord is NOT plugged into the computer. 

![](/files/O0c5OmkGpXpbMDK3lato)

4\. Open the junction box and take the Raspberry Pi Pico (microcontroller) out.

![](/files/IVLWP8VMPFiCYasOAfpu)

![](/files/aQbX1Kt6kxjNQP7g17qq)

5\. Hold down the button on the Raspberry Pi Pico while plugging the USB cord into the computer. 

![](/files/ui0O99CT3YNbXWdjRbVx)

6\. The Raspberry Pi will show up as a storage drive on your computer.  

![](/files/VKFrEOJTF2Kw8RMdruVo)

7\. Drag and drop the firmware onto the storage drive in your browser/finder. 

![](/files/HrUXi9Zsu2VPEXmFarhk)

8\. The storage drive will "disappear."  This means the firmware is loaded. 

![](/files/0RglxZRU0sXIqeLdqumM)

9\. Put the Raspberry Pi back into the junction box, and close the box, ensuring the wires line up with the holes in the box.  

![](/files/mtlwgOT5rUqXet5gg4v0)

![](/files/io6oSBxXgc1N6Pl5t5kw)

![](/files/4VgZGCCYMHIX0YpUj2i2)