Lesson: Simple Motion Sensor
a simple motion sensor allows students to create a simple motion sensor using just a battery, and some found objects and a diode.
Electronics
Tech, Dirt, Rain, and Security
Security is essential on an urban farm. From cameras to drones to locks I am always looking for ways to improve security. Locks are my nemesis. I forget combinations, I lose keys. So when Amazon offered up a weatherproof biometric lock option I leapt at the opportunity. No more locked gates! No more fumbling or …
