docs(power): split power into its own guide and cover the DC routes

README.md

@@ -45,11 +45,17 @@ Doppler radar, with an optional TI IWR6843 angle radar.
 | Raspberry Pi 5 | Runs everything | $130 |
 | 7" Touchscreen | Shows shot data | $46 |
 | SparkFun SEN-14262 | Impact sound trigger for shot capture | $18 |
-| Power supply + accessories | | $27 |
-| **Subtotal, no angle radar** | | **~$400** |
-| TI IWR6843LEVM + cable | Launch angle, experimental club path | $156 |
-| **Total with angle radar** | | **~$556** |
-| K-LD7 (×2) + FTDI adapters | Launch angle + club path (**deprecated**) | $140 |
+| Power supply + accessories | 27 W supply with a captive, non-detachable cable, active cooler, microSD, cables | $39 |
+| Printed enclosure | ~750 g PETG, plus heat-set inserts and screws | $52 |
+| **Base build, in its case** | Ball speed, club speed, smash factor, spin, carry | **~$534** |
+| TI IWR6843LEVM | Launch angle, launch direction, experimental club path | $150 |
+| **With the angle radar** | | **~$684** |
+
+Optional on top: battery power from a Geekworm UPS HAT (**+$90**, and it
+replaces the 27 W supply — see [Powering OpenFlight](docs/get-started/power.md)),
+a tilt sensor ($15), and a global-shutter camera ($30). Everything together is
+roughly **$819**. Full staged breakdown in the
+[parts list](docs/get-started/parts.md#cost-summary).
 
 Without an angle radar you still get ball speed, club speed, smash factor,
 experimental spin, and estimated carry. The angle radar adds measured launch
@@ -321,6 +327,7 @@ uv run pytest tests/ -v
 Build it locally with `make docs` (serves at `localhost:8000`).
 
 - **[Parts List](docs/get-started/parts.md)** — What to buy
+- **[Powering OpenFlight](docs/get-started/power.md)** — Pick a power route, and wire the DC input without reversing the rail
 - **[Sound Trigger Wiring](docs/build/sound-trigger.md)** — How to wire the sound trigger
 - **[Raspberry Pi Setup](docs/setup/raspberry-pi.md)** — Full setup guide
 - **[Electron Kiosk Shell](docs/electron-kiosk-shell.md)** — Why the kiosk runs in Electron and how self-updating could work later

docs/get-started/build-order.md

@@ -78,6 +78,27 @@ The largest step, and itself ordered: [wiring](../iwr6843/wiring.md) →
 **Verify:** [the first capture](../iwr6843/verify.md#verify-the-first-capture)
 returns a sane launch angle.
 
+## 6. Put it in the case
+
+**→ [openflight-enclosure](https://github.com/open-flight/openflight-enclosure)**
+
+Itself ordered:
+[choose a variant](https://github.com/open-flight/openflight-enclosure/blob/main/docs/choosing-a-variant.md)
+→ [required hardware](https://github.com/open-flight/openflight-enclosure/blob/main/docs/hardware.md)
+→ [print](https://github.com/open-flight/openflight-enclosure/blob/main/docs/printing.md)
+→ [assemble](https://github.com/open-flight/openflight-enclosure/blob/main/docs/assembly.md).
+
+Not an extra. Nothing measures repeatably until the boards are held in a
+fixed, repeatable arrangement, and the same printed set covers both builds:
+the radar front carries mounts for the OPS243 and the IWR6843, so an OPS-only
+build prints the same parts and leaves the IWR mounts empty.
+
+> The older [IARC case](../build/enclosure.md) page describes the housing this
+> replaced. It is kept for existing builds; do not print it for a new one.
+
+**Verify:** the unit sits square behind the ball, and nothing shifts when you
+pick it up and set it down again.
+
 ## Optional extras
 
 Any order, once the above works.
@@ -86,7 +107,6 @@ Any order, once the above works.
 | --- | --- | --- |
 | Inclinometer | [LIS3DH](../build/inclinometer.md) | Compensates enclosure tilt so the IWR6843 angle stays honest if the unit is bumped |
 | Battery | [Geekworm X1202/X1206](../build/battery.md) | Portable operation with real telemetry and low-battery warnings |
-| Enclosure | [IARC v3 case](../build/enclosure.md) | Printed housing for the whole assembly |
 | Simulators | [Connectors](../using/simulator/index.md) | Stream shots to GSPro, OpenGolfSim, PAR-TEE, E6 |
 | Cloud sync | [Cloud sync](../using/cloud-sync.md) | Push filtered sessions to FlightWeb |
 | Log shipping | [Observability](../using/observability.md) | Query sessions in Grafana Cloud |

docs/get-started/index.md

@@ -4,7 +4,7 @@ icon: lucide/flag
 
 # Get Started
 
-Four pages, in order. If you are deciding whether to build one, start with the
+Five pages, in order. If you are deciding whether to build one, start with the
 overview; if you have already decided, go straight to the parts list.
 
 <div class="grid cards" markdown>
@@ -19,6 +19,11 @@ overview; if you have already decided, go straight to the parts list.
     Everything to buy, with links and a cost summary. Some items have long lead
     times — order first.
 
+- :material-power-plug-outline: **[Power](power.md)**
+
+    How to feed the unit: the official supply, a UPS HAT, or USB-C PD. Read the
+    polarity warning before wiring a DC jack.
+
 - :material-format-list-numbered: **[Build order](build-order.md)**
 
     The sequence and its prerequisites. Doing these out of order means redoing