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Fine Grain
Fine Grain
Solutions
Work with an engineer to create a hardware solution that matches your exact problem set.
FIG.00[ inspect ]
01 — Products/store
Pre-orders openRP PoE Hub — early-bird $129.00 (reg. $149.00). Ships Q1 2027.Pre-order →Purpose built
products
Hardware we design and sell. Next up: a PoE-powered control panel for Home Assistant, alongside KW-71 diagnostics for pre-OBD2 BMWs.
Pre-order · Ships Q1 2027RP PoE Hub · 101.6 × 101.6 mm
Pre-orders open · Ships Q1 2027
RP PoE Hub
A wall-mounted IoT control panel on a single PoE line. Link it to Home Assistant over MQTT, control things with four mechanical keys and show live data on a small I2C screen.
| Processor | W55RP20 (RP2040 + W5500 Ethernet) |
| Power | Power over Ethernet, one cable |
| Keys | 4× Cherry MX switch footprints |
| Lighting | 16× WS2812B edge LEDs |
| Display | I2C OLED display (included) |
| Expansion | Qwiic connector |
| USB | USB-C, power + programming |
| Price | |
| Availability | Pre-order · ships Q1 2027 |
+BMW ADS Interface
$50.00Sold out · soon
+BMW ADS Interface Enclosure
$15.00Sold out · soon
02 — Services/contact
Fully custom
hardware
designs
Work with an engineer to create a hardware solution that matches your exact problem set.
03 — Start a project
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