Merge pull request #147 from AccelerationConsortium:pymongo

add nb button

docs/courses/hello-world/1.5-data-logging.md

@@ -73,6 +73,12 @@ The output should look something like the following (MAC address and IP address
 
 ✅ Run the code from [the companion notebook](./1.5.1-pymongo.ipynb) to read data from a MongoDB database. Note that this companion notebook also has a section about how to upload data via PyMongo (preferred when you're able to install PyMongo on e.g., a Raspberry Pi 5 or a Windows machine, which wasn't possible for the Pico W microcontroller). That way, you wouldn't need to use AWS Lambda as an intermediate layer (preferred, if feasible).
 
+```{button-ref} ./1.5.1-pymongo
+:color: primary
+:expand:
+Reading from MongoDB using PyMongo [Jupyter Notebook]
+```
+
 ### Reading Material
 
 ✅ Read [Community action on FAIR data will fuel a revolution in materials research](https://doi.org/10.1557/s43577-023-00498-4)