LoRa LMN Metering Module

inoa-io·satellite·electrics/lora-module/lora-module.kicad_pcb

LoRa LMN Metering Module layout, top view — open source board by inoa-io

About the LoRa LMN Metering Module

LoRa LMN Metering Module is an open source PCB design by inoa-io, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 86 × 31 mm, with 34 components from 23 distinct parts.

Other key parts include the MCP23009-E_SS, BA033CC0FP-E2, MAX3486 and RFM95W-868S2. By type, the board carries 9 resistors, 7 capacitors, 6 connectors, 5 ICs, 5 diodes and 2 fuses.

It belongs with the rf & radio designs in this gallery.

From the project

Satellite Hardware Project and Documentation

The Inoa Satellite is a lightweight and secure gateway for your fuse box or industrial environment.

Please see our Project Pages for details.

There is a huge amount of IoT gateways out there, but none of these fulfill completely all of our design goals:

Usage in a rough industrial environment Hardware driven security (HSM) Inexpensive hardware to be able to finance a huge fleet of devices Low energy consumption Fuse box casing (DIN rail) Small (2 FE / 36 mm) to allow mounting in existing fuse boxes Extendable design to be future proof Modular design to adapt hardware to use cases and keep…

LoRa LMN Metering Module, from the project README — From the project README

Main components on the LoRa LMN Metering Module

MCP23009-E_SS BA033CC0FP-E2 MAX3486 RFM95W-868S2

LoRa LMN Metering Module bill of materials (BOM)

34 components, 23 distinct parts.

Qty	Part	Footprint	Refs
1	MCP23009-E_SS	SOP65P780X200-20N	U1
1	BA033CC0FP-E2	TO-252-3_TabPin2	U3
2	MAX3486	SOIC-8_3.9x4.9mm_P1.27mm	U4, U5
1	RFM95W-868S2	XCVR_RFM69HW-868S2	U7
1	RJ12	CUI_CRJ030-G-TH	J1
1	South	PHOENIX_1727078	J2
1	West	PinHeader_1x14_P2.54mm_Vertical	J3
1	East	PinHeader_1x14_P2.54mm_Vertical	J4
1	LoRa SMA	LINX_CONSMA002	J5
1	LoRa I-PEX	SAMTEC_RSP-122811-01	J6
1	25V/1A	Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder	F1
1	13V/2A	Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder	F2
1	25V	D_SOD-523	D1
2	1N5819	D_SOD-323_HandSoldering	D2, D5
1	D_TVS	D_0603_1608Metric_Pad1.05x0.95mm_HandSolder	D3
1	13V	D_SOD-523	D4
1	100nF/35V	C_1206_3216Metric_Pad1.33x1.80mm_HandSolder	C1
1	0u1	C_1206_3216Metric_Pad1.33x1.80mm_HandSolder	C2
4	100nF	C_1206_3216Metric_Pad1.33x1.80mm_HandSolder	C3, C4, C5, C7
1	47uF	CP_Elec_5x5.3	C6

Show 3 more

Qty	Part	Footprint	Refs
1	220R	R_1206_3216Metric_Pad1.30x1.75mm_HandSolder	R1
2	10k	R_1206_3216Metric_Pad1.30x1.75mm_HandSolder	R2, R5
6	0R	R_1206_3216Metric_Pad1.30x1.75mm_HandSolder	R3, R4, R6, R7, R8, R9

LoRa LMN Metering Module design files

The KiCad project lives in the inoa-io/satellite repository on GitHub; these links point at the commit this page was built from.

Layoutelectrics/lora-module/lora-module.kicad_pcb
Schematicelectrics/lora-module/lora-module.kicad_sch

LoRa LMN Metering Module: common questions

How big is the LoRa LMN Metering Module?

The LoRa LMN Metering Module measures 86 × 31 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LoRa LMN Metering Module?

34 components, from 23 distinct parts. The full bill of materials is listed on this page.

Where can I download the LoRa LMN Metering Module design files?

From the inoa-io/satellite repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the LoRa LMN Metering Module design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which inoa-io chose for the repository.

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