It's a friendly metaphor, not real coffee. Each "coffee" is €5 and you can buy as many you like.
☕
x
1
3
5
Using @username will link to your social profile
Add a video message
Add a video message
The message will be visible to you and the creator only
Support monthly and be a part of arnoldniessen's creative journey. Cancel anytime.
About arnoldniessen
making CO2 sensors and Daikin P1/P2-MQTT interfaces
Trying to improve control of Daikin heating systems (P1P2MQTT previously P1P2Serial) and reduce COVID-19 transmission risk by measuring indoor CO2 levels (Covid-CO2). If this work benefits you, your appreciation is much appreciated!
