dennis.salzner
fau.de
My small Raspberry PI Home-Server failed once again after approx. 2 years of operation. This time the SD-Card literally burned up. I'll reinstall it, document the process and share some insights I've had from over a decade of running home servers.
Our fridge broke down. I took it apart, debugged the issue and added some smart home temperature sensors to be sure it works reliably after the repair.
Monitoring Soil Moisture with a Wemos D1 Mini, MCP3008 and cheap soil moisture probe. Some years ago I bought roughly a dozen cheap plant soil moisture probes. In the following I'll describe how to connect them to a Wemos D1 Mini Dev-Board with an mcp3008 Analog-Digital-Conveter and how to send messages with the readings to your Telegram chat client.
The DirtDevil Spider M607 is a cheap entry-level vacuum robot. It does not feature optical mapping, but rather randomly moves around until it hits an obstacle and then turns to avoid it. This works reasonably well, but I purchased the robot in order to modify it.
A small speaker and a small single board computer with some Linux software is all that is required to build a WiFi speaker. With it you will be able to listen to music within WiFi range and optionally control music with your smartphone.
I’ve been growing herbs on my balcony in the summer. The heat causes the water to vaporate quickly meaning I have to water the growing beds every day. If I’d forget or when I’m on a business trip, the herbs would dry up. So the only solution is automatic watering.