HardLabs

Signal Conditioner

DanMartins·Signal_Conditioner·KiCAD/Signal_Conditioner_R3.kicad_pcb

Signal Conditioner PCB layout, top view — open source Raspberry Pi board by DanMartins

About the Signal Conditioner PCB

Signal Conditioner is an open source Raspberry Pi PCB design by DanMartins, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 113.3 × 84.4 mm, with 34 components from 13 distinct parts.

Its main chip is the Raspberry_Pi_2_3, from the Raspberry Pi family. Other key parts include the TL084 and NE5532. By type, the board carries 15 resistors, 7 capacitors, 5 connectors, 4 diodes and 2 ICs.

From the project

PCB signal conditioner implemented using KiCAD

Hardware development for IoTControl to interface with analog signals for control systems on PhD program at University of São Paulo. Part of this work is open source and available here on GitHub and there is a channel on [YouTube][youtube] where you can find videos about IoTControl platform.

You may want to reach me on [LinkedIn][linkedin] or ResearchGate, publications are available on [ORCID][orcid] and Lattes.

Signal Conditioner, from the project README
From the project README

Main components on the Signal Conditioner

TL084NE5532

Signal Conditioner bill of materials (BOM)

34 components, 13 distinct parts.

QtyPartRefs
1
TL084
U1
1
NE5532
U2
1
Conn_01x12_Pin
J8
1
Raspberry_Pi_2_3
J9
1
ADS1115
J10
1
MCP 4725
J13
1
Level Shifter
J14
1
0R
Jumper1
4
1N4749A
D1, D2, D3, D4
7
100n
C1, C2, C3, C4, C5, C6, C7
6
10k
R1, R8, R11, R12, R14, R15
5
20k
R2, R3, R6, R7, R13
4
2k
R4, R5, R9, R10

Signal Conditioner design files

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

Signal Conditioner: common questions

What microcontroller does the Signal Conditioner use?

The Signal Conditioner is built around the Raspberry_Pi_2_3, from the Raspberry Pi family.

How big is the Signal Conditioner PCB?

The Signal Conditioner measures 113.3 × 84.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Signal Conditioner?

34 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Signal Conditioner design files?

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

Can I use the Signal Conditioner design in my own project?

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

Can I test firmware for the Signal Conditioner without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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