Replied to 24 strain gauges on a retaining wall: removing the temperature effect and grouping them by wall section

Why does the concrete expanding with heat count as strain if nothing is pushing on it? Sorry if that's a silly question.

2 days, 16 hours ago

Replied to ESP32-WROOM vs WROVER vs MINI: what do the module names mean and which do I buy?

Ordered a DevKitC with WROOM-32E N4. The box will be a plastic one under the roof edge, so PCB antenna it is. Thanks Brian,…

1 week, 6 days ago

Replied to Two Unos over a pair of HC-05s so the one with the GSM modem reports both

I did exactly this for a uni lab last term and got the same ERROR on BIND. The address comes out of AT+ADDR? with…

2 weeks, 1 day ago

Replied to Showing an inspection drone’s position and flight path live on a board

The replay part is really nice, I didn't know the map could do that.

2 weeks, 3 days ago

Replied to ESP32-WROOM vs WROVER vs MINI: what do the module names mean and which do I buy?

ok so WROOM then. But E or UE?

2 weeks, 3 days ago

Started ESP32-WROOM vs WROVER vs MINI: what do the module names mean and which do I buy?

Student, first IoT project: a small weather station for our hostel that sends temperature, humidity and pressure to Hermetry every 5 minutes. I went…

2 weeks, 4 days ago

Replied to Showing an inspection drone’s position and flight path live on a board

Side question, are you even allowed to send telemetry over 4G from a drone where you are? Some places have rules about that.

3 weeks, 2 days ago

Replied to Small UPS for a remote gateway, or does Hermetry Edge buffering make it unnecessary?

For the LM317 design I think you set it to 13.8 V and add a current limit resistor, we did that in a lab…

1 month, 3 weeks ago