A significant chunk of time in the past week went into writing up the design review report and documenting our plans for the project. Because of limitations on timestamp capturing in PicoScenes that I don’t think we’ll be able to work around, I started looking into how we can use an ESP32 microcontroller to get similarly-precise timestamps, like is done in the Wi-Peep paper. I wrote some code to run the ESP32 in monitor-mode and take timestamps when the interrupt is received. I took some test measurements and noted it was significantly noisier than the Wi-Peep paper’s results; it also seems to vary quite a bit with changes to the optimization and driver settings for the ESP. Next week I will be looking further into if there are any more build-time settings that can be changed or other ways to improve the measurement quality.
