Hi,
I've done a simple thermometer with a DHT21, ESP32 ans I would like to show the readings in a line chart. I've used the MQTT node to recive dates and a chart to show them.
My problem is to set the min propriety of the chart, because, if I set it to 0 and the temp drops below 0, the measure will not displayed, if I'll leave the propriety blank and measure are positive the 0 value is not displayed anyway...
There is a solution for this problem?