I’m using the CHG pin to monitor the battery state, and give a notification sound when my setup is on the wireless charger. Everything works fine, my charge LED comes on and the battery seems to charge as well. For some reason, when my battery gets below 40-50% (based solely on time, not actual monitored voltage) my system stops sending the signal for the notification sound. If I let I charge for an hour or so, it starts notifying me again, and will continue to every time I put it on the charger unless it drops below a certain level.
I can’t copy and paste from the web ide on my phone, but here’s a screenshot from it.