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

Put hysteresis on the battery rule, something like below 20 with a margin of 5. Cold mornings make batteries dip and you'll get an…

3 days, 3 hours ago

Replied to 2.1.1: a sample data source, board settings and board packages

Did exactly this for a client last week. The dry run listed two cards as Skipped, both process diagram cards, because the client org…

4 weeks ago

Replied to 2.1.1 for automation: named secrets in HTTP requests, durable webhook triggers, delivery reports

Question on the webhook part. Does "repaired after an outage" mean the calls that came in during the outage get run afterwards, or only…

1 month ago

Started Remote Pi gateways reboot at random: how does the Pi detect undervoltage, and can I get an alarm for it?

We have Pi 4 gateways in small pump kiosks, each reading a flow meter and two pressure transmitters and sending to Hermetry. Three of…

2 months ago

Replied to Buğra: ready solutions, flows and the software side

Water site sounds very close to my day job, tanks and pump stations. Is it included or does it need something extra on the…

2 months, 2 weeks ago

Replied to Pi 4 as Wi-Fi access point plus 4G uplink for a farm shed, or buy a licensed router?

Both work, I have both in the field. On Bookworm it's much less fiddly, NetworkManager does the AP and the NAT in one go:…

2 months, 3 weeks ago

Replied to MCP3008 gives 0 or 1023 only: how do I prove SPI works on a Pi 3B+?

Is VREF tied to 3.3 V? If VREF floats you get exactly that 0 / 1023 behaviour.

2 months, 4 weeks ago

Replied to Balancing robot demo: tilt angle drifts or jitters, and streaming tuning data gets me rate_limit disconnects

Complementary filter at 0.98 and a timer-driven loop, and it stands. Tuned it with P=18, D=0.6, a tiny I, plus a 6 % deadband.…

3 months, 2 weeks ago