FIBER Lite
FIBER Lite is a Raspberry Pi 5 based variant of FIBER for quickly bringing up and testing LoRaWAN devices — in particular HARDWARIO STICKER and HARDWARIO CHESTER — bench-side, without needing to stand up a separate LoRaWAN network server, database, and visualization stack for every test.
Setup is the same procedure as FIBER — see Installation (or the Quick Start Guide), with tabs at the few points where it genuinely diverges. There's no separate FIBER Lite install flow: ChirpStack, Node-RED, InfluxDB, Grafana, and the branded Dashboard are all part of the one shared stack, available on both variants. This page (and the Troubleshooting section below it) covers only what's actually different about the Lite variant — which comes down to hardware. See Introduction and Hardware Description for everything else FIBER already covers.
What's Different
| FIBER (CM4) | FIBER Lite (Pi 5) | |
|---|---|---|
| Platform | Raspberry Pi Compute Module 4 | Raspberry Pi 5 |
| Storage | eMMC (on-module, 8/16/32 GB) | microSD card, 32 GB, high-endurance |
| Power | PoE (802.3af) + Li-Ion backup battery | USB-C, no PoE injector, no backup battery |
| RTC | External PCF85063A I2C chip | Native built-in RTC (rtc0) — no overlay needed |
| Enclosure | Custom FIBER enclosure, 175×120×35 mm | DIN-rail enclosure |
| 1-Wire hub, LCD, buzzer | Present | Not present |
| BLE, LTE | Present | Not present (LAN or Wi-Fi only) |
| LoRaWAN concentrator | RAK5146, USB-connected | RAK5146 on a RAK2287 HAT, SPI-connected |
See Data Flow on the Installation landing page for how the shared software stack fits together — it's identical on both variants.
Bill of Materials (FIBER Lite specific)
| Component | Notes |
|---|---|
| Raspberry Pi 5 | Main compute unit |
| RAK WisLink RAK5146 | LoRaWAN concentrator card (SX1302), SPI |
| RAK2287 Pi HAT | SPI adapter for RAK5146 → Raspberry Pi 5 GPIO header |
| DIN-rail enclosure | For cabinet/rack mounting |
| microSD card, 32 GB, high-endurance | OS + logs + time-series database (write-heavy workload) |
| Standoffs | Mechanical mounting |