In case you have an Atlas Scientific Kit and don't want to save your data to the Thingspeak #cloud, here's a modified #arduino #sketch which saves the values to an #influxdb (v1 only currently). May it saves somebody some work.
https://github.com/madnuttah/hydroponics-kit-influxdb
#cpp #atlasscientific #ezo #iot #ph #ec #sensors #esp32 #huzzah32 #adafruit #ino #opensource #foss #selfhosting #grafana #homelab #hydroponics