Geantwortet auf Die IT des Kunden lehnt jede Portweiterleitung an der Umspannstation ab: Braucht Edge überhaupt eingehenden Zugriff?

A VPN is exactly the conversation I'm trying to avoid. Their security team treats any tunnel into their network as a new project with…

vor 1 Tag, 1 Stunde

Gestartet Die IT des Kunden lehnt jede Portweiterleitung an der Umspannstation ab: Braucht Edge überhaupt eingehenden Zugriff?

Quick sanity check before I go back into a meeting with a utility customer's IT people. Site is a small substation building: 14 Modbus…

vor 3 Tagen, 14 Stunden

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

+1 to Grace. We lost a week on a site job because of a PCB antenna inside a steel cabinet.

vor 2 Wochen, 2 Tagen

Geantwortet auf Yard sensors at the edge of Wi-Fi: why does it get so slow, and what do I do about it?

Also those slow clients eat airtime for everyone on that AP. A frame at 1 Mbps occupies the channel for a long time.

vor 2 Wochen, 4 Tagen

Geantwortet auf Uno setzt sich jedes Mal zurück, wenn mein Pi-Skript /dev/ttyUSB0 öffnet

Easiest fix: don't restart the script. Run it as a systemd service with Restart=always, open the port once and never close it.

vor 1 Monat

Geantwortet auf USBasp am Mac erkennt meine ATmega328P-Boards nicht: "could not find USB device"

Adapter it was. System Information showed nothing through my no-name USB-C dongle; through a powered hub it shows "USBasp" and avrdude finds it. Flashed…

vor 1 Monat, 1 Woche

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

For the sensor: an FSR strip under the mattress works but needs calibrating per mattress and drifts as the foam ages. Load cells under…

vor 1 Monat, 1 Woche

Geantwortet auf Firmware aus unserem US-Werk kopiert, Geräte im UK-Werk melden "bad username or password"

Good catch. Worth putting the host in a config file instead of the build, so the next plant doesn't copy a hardcoded host.

vor 1 Monat, 3 Wochen