Pi 4 in action Post author:Phil Post published:December 1, 2019 Post category:Resources / tech_ventures Demonstrating automated systems to Year 9 with a Raspberry Pi 4, breadboard mounted PIR and resulting monkey on patrol.! Share this:Share Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Phil Teacher with tech You Might Also Like Polygon universe September 8, 2020 Scrapyard switches August 12, 2018 Interview with CAS October 30, 2019