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EC Sense 4-channel I2C sensor interface

Dheerajsom·MINTS-Astra-Daughterboard·verification/placed.kicad_pcb

EC Sense 4-channel I2C sensor interface PCB layout, top view — open source board by Dheerajsom
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About the EC Sense 4-channel I2C sensor interface PCB

EC Sense 4-channel I2C sensor interface is an open source PCB design by Dheerajsom, published on GitHub. It is a 4-layer board measuring 120 × 80 mm, with 92 components from 25 distinct parts.

Other key parts include the ADUCM355BCCZ, ADP151AUJZ-3.3, SHT45-AD1B and 24AA02E48T-I/SN. By type, the board carries 65 capacitors, 11 resistors, 9 connectors, 5 ICs, 1 diode and 1 inductor.

It belongs with the sensors designs in this gallery.

From the project

120 x 80 mm four-layer I2C daughterboard (Meant for testing GPT-6 Astra's KiCAD design capabilities)

120 × 80 mm, four-layer EC Sense gas-sensor I2C daughterboard, revision B. The project contains the editable KiCad schematic and PCB, local component libraries, manufacturing files, assembly data, source scripts, reference documents, and verification reports.

Open ECSense4CHI2C.kicadpro in KiCad 10. The project uses local footprint and 3D-model paths. The schematic and board retain their original ECSense4CHI2C` filenames so project references remain intact.

EC Sense 4-channel I2C sensor interface, from the project README
From the project README

Main components on the EC Sense 4-channel I2C sensor interface

ADUCM355BCCZADP151AUJZ-3.3SHT45-AD1B24AA02E48T-I/SN

EC Sense 4-channel I2C sensor interface bill of materials (BOM)

92 components, 25 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
ADUCM355BCCZ
ADuCM355
U1, U2
1
ADP151AUJZ-3.3
U3
1
SHT45-AD1B
U4
1
24AA02E48T-I/SN
U5
1
ES1 CH1
J1
1
ES1 CH2
J2
1
ES1 CH3
J3
1
ES1 CH4
J4
1
Host I2C + power
J5
1
SWD U1
J6
1
SWD U2
J7
1
UART U1
J8
1
UART U2
J9
1
PESD3V3L2BT
D1
1
600R@100MHz
FB1
12
22P
22p
C1, C2, C3, C9, C10, C11, C17, C18 +4
31
100N
100n
C4, C5, C7, C8, C12, C13, C15, C16 +23
6
4U7
4u7
C6, C14, C22, C30, C38, C45
3
10U
10u
C33, C34, C36
1
1u
C35
Show 5 more
QtyPartRefs
12
470N
470n
C39, C40, C41, C42, C43, C44, C46, C47 +4
2
2K2
2k2
R1, R2
5
10K
10k
R3, R4, R6, R7, R8
2
0R
R5, R11
2
200R 0.1% 10ppm
R9, R10

EC Sense 4-channel I2C sensor interface design files

The KiCad project lives in the Dheerajsom/MINTS-Astra-Daughterboard repository on GitHub; these links point at the commit this page was built from.

EC Sense 4-channel I2C sensor interface: common questions

How big is the EC Sense 4-channel I2C sensor interface PCB?

The EC Sense 4-channel I2C sensor interface measures 120 × 80 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the EC Sense 4-channel I2C sensor interface?

92 components, from 25 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 EC Sense 4-channel I2C sensor interface design files?

From the Dheerajsom/MINTS-Astra-Daughterboard repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the EC Sense 4-channel I2C sensor interface design in my own project?

The repository has no license, so all rights stay with Dheerajsom. Use it as a reference, and ask the author before reusing the design.

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