README: Add links to conference presentations

Author: jonnor

README.md

@@ -103,6 +103,26 @@ Information is also available in the official documentation:
 [MicroPython: .mpy files](https://docs.micropython.org/en/latest/reference/mpyfiles.html#versioning-and-compatibility-of-mpy-files)
 
 
+## More learning resources
+
+emlearn-micropython and emlearn has been covered in the following presentations.
+
+- Microcontrollers + Machine Learning in 1-2-3 (PyData Global 2024).
+[Slides etc](https://github.com/jonnor/embeddedml/tree/master/presentations/PyDataGlobal2024)
+- Sensor data processing on microcontrollers with MicroPython and emlearn (PyConZA 2024).
+[Slides etc](https://github.com/jonnor/embeddedml/tree/master/presentations/PyConZA2024)
+- 6 years of open source TinyML with emlearn - a scikit-learn for microcontrollers (TinyML EMEA 2024)
+[YouTube video](https://www.youtube.com/watch?v=oG7PjPMA3Is) |
+[Slides etc](https://github.com/jonnor/embeddedml/tree/master/presentations/TinymlEMEA2024)
+- emlearn - Machine Learning for Tiny Embedded Systems (Embedded Online Conference 2024).
+[Youtube video](https://www.youtube.com/watch?v=qamVWmcBdmI) |
+[Slides etc](https://github.com/jonnor/embeddedml/tree/master/presentations/EmbeddedOnlineConference2024)
+- Machine Learning on microcontrollers using MicroPython and emlearn (PyCon DE & PyData Berlin 2024).
+[Slides etc](https://github.com/jonnor/embeddedml/tree/master/presentations/PyDataBerlin2024) |
+[YouTube video](https://www.youtube.com/watch?v=_MGm8sctqjg&t=1311s&pp=ygUSZW1sZWFybiBtaWNyb3B5dGhv).
+
+Here is an overview of resources for [TinyML in general](https://tinyml.seas.harvard.edu/courses/).
+
 ## Benchmarks
 
 #### UCI handwriting digits