There is some noise in the measurements if you read the data by the secondso there are some solutions that I will try. I built 2 of the ESP8266 boards just to see the difference in V if there was any.07V eh not bad for a 10 bit resolution Then Wifi and then sending data to the influx db. So far so good I got all the right outputs going to the serial monitor. Using an ESP8266 board I installed a BME280 i2cboard for environment stats and calculated a Voltage divider for 100V max to 3.3V for the A0 pin. Over my holiday, (forSean's benefit) my Vacation I immersed myself into learning the Arduino IDE. Well you wereright there wasn't an easy answer but. ![]() You don't want to live-stream data to influxDB because then you'll just have way too much data in there - and if you use a PI, you'll destroy your storage medium fast. So I use MQTT for everything - but I have important information live streamed and displayed in Node-Red, and then once every five minutes it sends an AVG value via MQTT to Node-Red which then pushes it to InfluxDB and Grafana picks it up from there. The issue with influxdb and grafana is that they aren't good for streaming data - as in, they are great to show data taken every couple minutes - but I want to know my voltage and temperature instantly. When I finish it, I'll have code for an esp8266, and an image of a pi to allow for all of this monitoring. ![]() Check youtube there are a bunch of tutorials, all of which skip over some very important steps. Getting data into influxdb is the hard part. I've got my system up and running now - and trust me, you did the easiest part. Well, you've got the majority of work left. No matter what, you'll need to develop the hardware yourself from scratch and write all the code from scratch. ![]() Your best bet is going to be either an arduino with an esp8266 to send data over WIFI or an ESP32 that has enough analog inputs for you to be able to use them.
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