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Ad3-feature module

MadsRudolph·ad3-test-rig·module/hardware/ad3-feature-module.kicad_pcb

Ad3-feature module layout, top view — open source board by MadsRudolph
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About the Ad3-feature module

Ad3-feature module is an open source PCB design by MadsRudolph, published on GitHub. It is a 2-layer board measuring 70 × 90 mm, with 29 components from 18 distinct parts.

By type, the board carries 11 connectors, 9 resistors, 4 jumpers, 2 switches, 2 diodes and 1 capacitor.

It belongs with the robotics & motion designs in this gallery.

From the project

CNC-friendly Analog Discovery 3 test rig with a plug-in experiment board, printable enclosure and assembly guide

The optional 70 × 90 mm module plugs into the existing 100 × 100 mm baseboard. It provides a low-pass filter, an attenuator, two selectable loopback paths, two momentary digital-input switches, two indicator LEDs and screw-terminal access to the analog experiments. The original baseboard PCB is unchanged. Remove the 170-point breadboard before installing this module; reinstall it when the module is removed.

Ad3-feature module bill of materials (BOM)

29 components, 18 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BASE A / UNDERSIDE
J1
1
BASE B / UNDERSIDE
J2
1
PATCH A
J3
1
PATCH B
J4
1
FILTER IN OUT GND
J5
1
ATTEN IN OUT GND
J6
1
FILTER PATCH
J7
1
ATTEN PATCH
J8
2
3V3 BTN LED
J9, J10
1
EXTERNAL 3.3 V ONLY
J11
2
BYPASS
JP1, JP3
2
SHUNT ENABLE
JP2, JP4
2
ACTIVE LOW
SW1, SW2
2
GREEN
D1, D2
1
100N
100n
C1
5
1K00
1k
R1, R6, R7, R9, R10
1
100K
100k
R3
3
10K0
10k
R4, R5, R8

Ad3-feature module design files

The KiCad project lives in the MadsRudolph/ad3-test-rig repository on GitHub; these links point at the commit this page was built from.

Ad3-feature module: common questions

How big is the Ad3-feature module?

The Ad3-feature module measures 70 × 90 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ad3-feature module?

29 components, from 18 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 Ad3-feature module design files?

From the MadsRudolph/ad3-test-rig 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 Ad3-feature module design in my own project?

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

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