Replied to ESP8266 as a local MQTT broker so the sensors keep working when the internet drops?

what happens to the Hermetry alarms when the internet is down? do they just not fire?

1 week, 1 day ago

Replied to Uno resets every time my Pi script opens /dev/ttyUSB0

What is DTR? I have the same kind of setup for a water meter

1 month ago

Replied to Night-time bed-exit alert for a care home: which sensor, and how do I only alert between 22:00 and 06:00?

Glad there's no camera. Also check with the manager whether residents or families have to agree to the bed sensors, our building had to…

1 month, 1 week ago

Replied to Sensors on campus lamp posts with no wiring, can we power them wirelessly?

Following, our buildings want the same for the parking lot lights.

1 month, 2 weeks ago

Replied to Paper towel level alarms fire every time someone pulls a towel

I'm new to IoT too, but we did exactly this for soap dispensers in our buildings last year and fought the same e-mail flood,…

1 month, 2 weeks ago

Replied to 2.1.0: create, edit and arrange your own dashboards

Built my first one this morning following the getting started page. Took me a while to work out that you resize a card by…

1 month, 2 weeks ago

Replied to Switching a server room split AC off and on from Hermetry with a 16 A plug relay

I am new to the IoT side but HVAC I know a bit from our buildings, and we had the same discussion with our…

1 month, 3 weeks ago

Replied to HTU21D answers the scan but every humidity read comes back empty

Is the breakout 3.3V? Sorry if obvious, I fried one on 5V last month.

1 month, 4 weeks ago