Antonio Glenn
Hannah Kilpatrick
Danielle Liu
This week, we soldered lead wires into the IR LED emitter and photodiode in their holders in the frame. We designed and built 2 circuits. One circuit used the 5 V Arduino to power the IR LED and the other circuit was an op amp circuit that converted the photodiode current into into a detectable voltage signal. We tested that our circuits worked by adding and removing the detector and observing a change in voltage.
Below is a photo of our hardware and a link to a video of us testing our circuit.
