ESP-01 + DHT22: Send data to influxdb

My first ESP-01 "system" is running now. It measures temperature and humidity using a DHT22 every 20 seconds and send the data to an influxdb database.

The influxdb is then used by a Grafana instance where I define a panel for the temperature and humidity. Here are the first measurements:

Looks like there where a glitch at about 12:30 - I will have a look how often this happen.
And here is the corresponding ESP code: