| Want a do-it-yourself solution for taking indoor air quality measurements? This eCO2 Telgram Bot sends alerts to a Telegram account to keep...
| Want a do-it-yourself solution for taking indoor air quality measurements? This eCO2 Telgram Bot sends alerts to a Telegram account to keep...
| It is surprisingly easy to send data to a chat on Telegram. And not only that, it is quite fast too, allowing up to 12 messages per minute....
| eCO2 monitor that indicates poor air quality via a TELEGRAM message, a local display and a web interface
| It happens to all of us — you’re at home and there’s a caller at the door but for some reason or other you do not hear the doorbell buzz or...
| Forward your doorbell to your smartphone or computer.