RoomSensor 001 LCD

jirihusak·majordomus·HW/RoomSens/PCB/RoomSensor_001_LCD/RoomSensor_001_LCD.kicad_pcb

RoomSensor 001 LCD PCB layout, top view — open source board by jirihusak

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About the RoomSensor 001 LCD PCB

RoomSensor 001 LCD is an open source PCB design by jirihusak, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 65.5 × 66.5 mm, with 33 components from 16 distinct parts.

Other key parts include the NHD-C12832A1Z-NSW-BBW-3V3, SGP40, SHT41-AD1F-R2 and MP34DT05-A. By type, the board carries 14 capacitors, 9 connectors, 4 ICs, 3 resistors, 2 transistors and 1 diode.

It belongs with the iot & wireless, sensors and displays & leds designs in this gallery.

From the project

Open source system for smart home

Majordomus is a modular automation system built on open standards. It fills the gap between closed, expensive commercial solutions and unreliable consumer-grade components — designed to be repairable, expandable, and to last for decades.

- 🧩 Modular hardware — base unit + interchangeable modules ( I/O, sensors) - 🔌 Standardized interface — RS-485 / ModBus HW interface, MQTT SW interface - 🔓 Vendor lock-in free — open hardware, open software, your choice - 🧠 Node-RED inside — visual programming for automation flows - 🧠 Home Assistant interface — MQTT integration for popular platform - 📡…

RoomSensor 001 LCD, from the project README — From the project README

Main components on the RoomSensor 001 LCD

NHD-C12832A1Z-NSW-BBW-3V3 SGP40 SHT41-AD1F-R2 MP34DT05-A

RoomSensor 001 LCD bill of materials (BOM)

33 components, 16 distinct parts.

Qty	Part	Footprint	Refs
1	NHD-C12832A1Z-NSW-BBW-3V3	NHD-C12832A1Z	U1
1	SGP40	SGP40	U3
1	SHT41-AD1F-R2	Sensirion_DFN-4_1.5x1.5mm_P0.8mm_SHT4x_NoCentralPad	U4
1	MP34DT05-A	MIC-PACK	U5
2	MMBF170	SOT-23	Q1, Q2
1	68611614422	WURTH_68611614422	J1
2	Conn_02x02_Odd_Even	PinSocket_2x02_P2.54mm_Vertical	J2, J3
3	Conn_01x04	PinSocket_1x04_P2.54mm_Vertical	J4, J5, J6
1	Conn_01x01	PinHeader_1x01_P2.54mm_Horizontal	J7
2	Conn_01x01	PinHeader_1x01_P2.54mm_Vertical	J8, J9
1	LED LL-234WC2Q-W5-3P	PinSocket_1x02_P2.54mm_Horizontal	D1
5	100nF	C_0805_2012Metric	C1, C2, C3, C4, C5
9	1uF	C_0805_2012Metric	C6, C7, C8, C9, C10, C11, C12, C13 +1
1	1k5	R_0805_2012Metric	R1
1	R	R_0805_2012Metric	R2
1	100k	R_0805_2012Metric	R3

RoomSensor 001 LCD design files

The KiCad project lives in the jirihusak/majordomus repository on GitHub; these links point at the commit this page was built from.

RoomSensor 001 LCD: common questions

How big is the RoomSensor 001 LCD PCB?

The RoomSensor 001 LCD measures 65.5 × 66.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RoomSensor 001 LCD?

33 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the RoomSensor 001 LCD design files?

From the jirihusak/majordomus repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the RoomSensor 001 LCD design in my own project?

Yes, under the terms of its GPL-3.0 license, which jirihusak chose for the repository.

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