Hello,
Just having a hard time getting my head around how to power some sensors for a water purification system.
I have done a schematic of the whole system.
Two things I'm unsure of:
1- Pressure Sensor (Gravity: Analog Water Pressure Sensor)
It says input voltage is 5v. The esp32 can only handle 3.3v.
Am reading the voltage via an ADS1115 (along with 3 TDS sensors) as on board ADS isn't great and using WiFi.
Would powering with 3v3 be an issue?
Would it be better to have it on its own ADS1115?
2- Flow Sensors (Gravity: Liquid Flow Sensor)
It says voltage input from 3.5v?
Would powering with 3v3 be an issue?
OR
Should I use a logic level converter
The rest of the stuff I'm happy with
Thank you in advance