+## TRA Tech 2021 ##
+
+Bdale gave a talk in the first-ever TRA Technical Conference held in the
+evenings at LDRS 39 on
+[Building Better Electronics Bays](https://www.youtube.com/watch?v=nM3T95gH750)
+
+## Local 4H presentation in March 2014 ##
+
+Bdale was invited to give an introduction to electronics in rockets to a
+local 4H rocketry project in Colorado Springs.
+
+* [Slides](./RocketElectronics.odp)
+