We desire to understand what information is available in the PPG sensor.
We desire to exploit the understanding to develop devices of utility.
Using an ESP32 Dev Kit 1, A2D capture and plot of this sensor
Sensore wired into a proof of concept (Solderless Breadboard)
This wiring approximates the "homework II" PWA of Nagham.
Actual Serial Plotter
2026/03/26
This serial plot only has 50 points.
2026/04/16
Changed Arduino IDE to have 500 point serial plot.
https://documentation.espressif.com/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf?pubDate=20250908
https://documentation.espressif.com/esp32_technical_reference_manual_en.pdf
https://documentation.espressif.com/esp32-wroom-32_datasheet_en.pdf
https://documentation.espressif.com/esp32_datasheet_en.pdf