Arduino LMeter shield

michpro·Arduino_LMeter_shield

Arduino LMeter shield layout, top view — open source board by michpro

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About the Arduino LMeter shield

Arduino LMeter shield is an open source PCB design by michpro, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 68.6 × 53.3 mm, with 29 components from 16 distinct parts.

Other key parts include the LTC8741 and 74HC590. By type, the board carries 10 capacitors, 10 resistors, 3 connectors, 2 ICs, 1 module and 1 transistor.

It belongs with the displays & leds, dev boards & breakouts and test & measurement designs in this gallery.

From the project

Arduino Inductance Meter shield

- Arduino UNO Inductance Measurement Shield - Overview - Applications - Hardware - Design Architecture - Signal Conditioning - Integrated Display - Schematic diagram - Module visualisation - Assembly - Production files - Software - Reporting bugs - License - Hardware - Software - Support

Rapid inductance measurement for prototyping, education, or field diagnostics. Integration with automated test systems leveraging Arduino’s serial capabilities.

Arduino LMeter shield, from the project README — From the project README

Main components on the Arduino LMeter shield

LTC8741 74HC590

Arduino LMeter shield bill of materials (BOM)

29 components, 16 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	LTC8741	SOT-23-5	U1
1	74HC590	SOIC-16_3.9x9.9mm_P1.27mm	U2
1	OLED 1.3"	LCD_OLED_128X64_1.3_I2C	M1
1	2SC3356	SOT-23	Q1
2	C7437325 Lx	4mm_Banana_Socket_Deltron_571	J1, J2
1	C2886703 GPS	PinHeader_1x03_P2.54mm_Horizontal	J3
1	C455110 Calib.	SW_Push_1P1T_NO_6x6mm	SW1
1	1UH 1uH	L_0805_2012Metric	L1
4	100N 100n	C_0603_1608Metric	C1, C5, C7, C9
3	1n	C_0603_1608Metric	C2, C3, C4
2	10U 10u	C_0603_1608Metric	C6, C8
1	470N 470n	C_0603_1608Metric	C10
7	10K 10k	R_0603_1608Metric	R1, R2, R5, R6, R7, R9, R10
1	2K2 2k2	R_0603_1608Metric	R3
1	100K 100k	R_0603_1608Metric	R4
1	470	R_0603_1608Metric	R8

Arduino LMeter shield design files

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

LayoutArduino_LMeter_shield.kicad_pcb
SchematicArduino_LMeter_shield.kicad_sch
BOMproduction/bom.csv

Arduino LMeter shield: common questions

How big is the Arduino LMeter shield?

The Arduino LMeter shield measures 68.6 × 53.3 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Arduino LMeter shield?

29 components, from 16 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Arduino LMeter shield design files?

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

Can I use the Arduino LMeter shield design in my own project?

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

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