This video goes over the measurement of the onboard light dependent resistor (LDR). This is in series with other fixed resistors and then is routed to the ADC pins of the CE header (and subsequently the teensy). We go over the measurement methods and the output from the Teensy/arduino sketch.
- Forum post shown in the video: https://forum.pjrc.com/threads/40830-Teensy-3-2-ADC-amp-AREF
- Similar to the resistor kit shown: https://www.elexp.com/ProductDetails.aspx?item_no=3200SMDR2&CatId=53d64b67-c9a1-4560-ba57-1017f0d0ad44