IoT Red Phone - The phone rings and uses Amazon Polly to tell you what's wrong.
Alexa Sternzeit Skill - A skill for Alexa which tells you the Star Trek stardate
8266fritz - An Up- Downstream hardware monitor for a FRITZ!Box
IoT Pi Smartmeter - Read data from a smartmeter and send via IoT to the cloud
PPD42NS - Arduino reads Dust Particle Sensor - Shinyei PPD42NS