Christian KellnerDIY Smart gardeningThis is the next blog post in a series where I’m explaining what I did to.. well do less..4 min read·Jun 11, 2021----
Christian KellnerFollow up: Temperature/Rain SensorThis is a follow up on this article: => Click.3 min read·Mar 10, 2021----
Christian KellnerBuilding a night light using an ESP8266 and an Ardafruit NeoPixel RingIn the not too distant future, my daughter will be born. Of course, in the first months, she will sleep next to our bed. As my wife needs…2 min read·Jan 17, 2021----
Christian KellnerBuilding a Homekit enabled weather station using Homebridge and an ESP8266My wife likes to grow her own vegetables on our balcony. The problem with this however is, that one also needs to water the plants (first…9 min read·Dec 22, 2020--1--1