I2C Thermocouple

vintlabs·MCP9600-Module

I2C Thermocouple PCB layout, top view — open source board by vintlabs

About the I2C Thermocouple PCB

I2C Thermocouple is an open source PCB design by vintlabs, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 27.9 × 15.2 mm, with 10 components from 7 distinct parts.

Other key parts include the MCP9600. By type, the board carries 4 connectors, 4 resistors, 1 IC and 1 capacitor.

It belongs with the sensors designs in this gallery.

From the project

MCP9600 I²C Module (Hardware)

Simple module to detect temperature from a thermocouple on a Raspberry Pi (plugs in directly to the header on a Pi) or Arduino etc. Supports thermocouple types K, J, T, N, S, E, B and R, and uses simple I²C interface. Can be run on 2.7v to 5.5v. Board dimensions: 15x28mm (headers protrude beyond that)

There are headers on both sides of the board so that multiple boards can be connected together (being sure to use a different I2C address for each!), and there are footprints to add pullup resistors if they are required.

I2C Thermocouple, from the project README — From the project README

Main components on the I2C Thermocouple

I2C Thermocouple bill of materials (BOM)

10 components, 7 distinct parts.

Qty	Part	Footprint	Refs
1	MCP9600	MCP9600_QFN-20-1EP_5x5mm_P0.65mm_EP3.35x3.35mm	U1
1	Conn_01x05	PinSocket_1x05_P2.54mm_Horizontal	J1
1	Screw_Terminal_01x02	TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal	J2
1	Conn_01x03	PinSocket_1x03_P2.54mm_Vertical	J3
1	Conn_01x05	PinHeader_1x05_P2.54mm_Horizontal	J4
1	10uF	C_0805_2012Metric	C1
4	10k	R_0805_2012Metric	R1, R2, R3, R4

I2C Thermocouple design files

The KiCad project lives in the vintlabs/MCP9600-Module repository on GitHub; these links point at the commit this page was built from.

LayoutI2C_Thermocouple.kicad_pcb

I2C Thermocouple: common questions

How big is the I2C Thermocouple PCB?

The I2C Thermocouple measures 27.9 × 15.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the I2C Thermocouple?

10 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the I2C Thermocouple design files?

From the vintlabs/MCP9600-Module repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the I2C Thermocouple design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which vintlabs chose for the repository.

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