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IM72D128

hbitter·DNMS·PCBs/IM72D128 microphone PCB/IM72D128-PCB-V1.0/IM72D128-PCB.kicad_pcb

IM72D128 PCB layout, top view — open source board by hbitter
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About the IM72D128 PCB

IM72D128 is an open source PCB design by hbitter, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 11.3 × 11.3 mm, with 8 components from 8 distinct parts.

By type, the board carries 1 microphone, 1 capacitor and 1 resistor.

It belongs with the sensors and test & measurement designs in this gallery.

From the project

Digital Noise Measurement Sensor

PCB Versions Historie: - ICS-43434-PCB-V1.3 - erste veröffentlichte Version - ICS-43434-PCB-V1.4 - Durchmesser für die akustische Öffnung geändert con 0,6mm auf 0,7mm

PCB Versions Historie: - Airrohr-V1.1 - erste Version - Airrohr-V1.2 - I²C-Bus Verlängerung mit zusätzlicher RJ-12 (Modular Jack) 6P/6C Buchse - Airrohr-V1.4 - RJ12 Buchse nun für zwei unterschiedliche "Footprints" und in der Ausrichtung geändert - einige Bauelemente nach innen verschoben, damit der Einbau in ein Gehäuse (Rohr) einfacher ist - P82B715 (I²C-bus Extender IC) kann im DIP8 Gehäuse oder im SO8 Gehäuse bestückt…

IM72D128, from the project README
From the project README

IM72D128 bill of materials (BOM)

8 components, 8 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
IM72D128V01XTMA1
IM72D128
Infineon
MK1
1
VDD
SP1
1
CLOCK
SP2
1
SELECT
SP3
1
DATA
SP4
1
GND
SP5
1
C0603C104M4RAC7411
100nF
KEMET
C1
1
RC0603JR-07100RL
100
Yageo
R1

IM72D128 design files

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

IM72D128: common questions

How big is the IM72D128 PCB?

The IM72D128 measures 11.3 × 11.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the IM72D128?

8 components, from 8 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 IM72D128 design files?

From the hbitter/DNMS 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 IM72D128 design in my own project?

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

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