I posted a couple weeks ago and got many good comments which I was able to resolve but I still have some initial weirdness in my power supply. I have tried LiOn AA's in series and also 1 CR123-A rechargeable with the same results. Below is the schematic of the circuit and also the graphs of the raw voltage and regulated voltage. Please let me know what could be causing this weirdness in the beginning. The sample rate is 10 seconds so 200 is 2000 seconds on the x axis. Orange=raw, blue=regulated. Below is a shorter series to show the beginning zoomed in and then a longer series to see more data if needed.
I have tried swapping the 1000uf capacitor with different varying sizes and get the same result. I don't think this is related to the regulator. Also, if I completely remove the sensor, the problem persists, so, we can conclude this is not causing any weirdness as well.
I have tried swapping the 1000uf capacitor with different varying sizes and get the same result. I don't think this is related to the regulator. Also, if I completely remove the sensor, the problem persists, so, we can conclude this is not causing any weirdness as well.