CircuitPython code for KS0429 Keyestudio TDS Meter
Reference links with original Arduino code from which this CircuitPython code was created
https://wiki.keyestudio.com/KS0429_keyestudio_TDS_Meter_V1.0
https://randomnerdtutorials.com/arduino-tds-water-quality-sensor/
My initial code includes setting the Watchdog Timer, running a monochrome SSD1306 OLED display, and using a thermistor for both temperture reading to display & temp compensation for the TDS calculation.