proteus

★ N.I.C. ★

Proteus — the head, the clock, a Bifrost and Hermes on one small PCB

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Design-stage concept — nothing built. The figures are verified against the parts' sheets and the parts before a board is made.

Proteus is the smallest PCB that is a whole station head: Mayak, Kronos, a Bifrost and Hermes on one printed board, Polaris plugged into it, with one copper NodBus run on the board itself and nothing else. No data body, no spare port, no ribbon: the four data pairs of the one run land on terminals, the run's 12 V feed is the one plug-in board — the isolated 12 V cell on its power body, so a surge burns a module and not the board — and the board is fed through an isolated DC/DC brick on the PCB from a vehicle's 12 V or a site's pack. It fits a 1-DIN radio slot or a small box. Each section is laid out as its own document draws it, pins and firmware unchanged — the station's classic structure on one PCB. The modem is an LTE-M modem, and with the Mayak and Hermes it is what the backup cell carries: when the 12 V goes, the last report still leaves.

Named for Charles Proteus Steinmetz's middle name.

   vehicle 12 V / pack ──▶ [isolated DC/DC brick] ──▶ the 12 V node ── INA238 (LP I²C)
                                                        │
      ┌─────────────────────────────────────────────────┴─────────────────────────────────────────────────────────────────────┐
      │  KRONOS ◀ TIME IN 1 ◀ POLARIS ── CLK · PPS_K · label as traces ──▶ BIFROST                                            │
      │                                                  ▲        port 1 ──▶ 485 island on the board ──▶ 4 pairs on terminals │
      │  MAYAK ── one MasterNOD as traces ───────────────┘        PWR OUT 1 ──▶ the plug-in 12 V cell ──▶ feed pair           │
      │    ├── LP I²C ──▶ HERMES ── 485 · CAN · UART · I²C out                                                                │
      │    ├── the modem, LTE-M ── on the backup cell's rail with the Mayak and Hermes                                        │
      │    └── SD ×2 · Wi-Fi · BLE · USB-C · Ethernet                                                                         │
      └───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘

Files

file	contents
HARDWARE.md	the sections, what becomes a trace, the run on the board, the feed and the brick, the two bucks, what is fitted, the form
WHY.md	the graveyard

Licence

Hardware: CERN-OHL-S v2 (../LICENSE-HW) · Software: MIT (../LICENSE) — Copyright (c) 2026 NIC — Native Intellect Community