Technical notes, projects, modules, tools, workflows, and architecture on electronics, software engineering, and DevOps.
The front end cap of the PoE32 enclosure: a bare PCB with no traces and no components, whose only job is to close the aluminium profile and put the RJ45 exactly where it belongs, cut precisely by the board house.
The rear cover of the PoE32 enclosure that also turns PoE32 into a fire alarm node: it powers and resets a detector line from 24 V and reads normal, alarm, and a broken line from a single analog input.
PoE32 Lite v3 is a small RISC-V board that takes its data and its power from one Ethernet cable, now with the whole PoE power path on the board. It failed out of the box: why, how it runs with jumper wires, and where v4 goes.
Get an email when a new article is published.