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Load cell ampfilier-HX711-board with easy-C-hardware design

SolderedElectronics·Load-cell-ampfilier-HX711-board-with-easy-C-hardware-design·CAD/V1.1.1/HX711_breakout_easyC.kicad_pcb

Load cell ampfilier-HX711-board with easy-C-hardware design layout, top view — open source AVR/Arduino board by SolderedElectronics
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About the Load cell ampfilier-HX711-board with easy-C-hardware design

Load cell ampfilier-HX711-board with easy-C-hardware design is an open source AVR/Arduino PCB design by SolderedElectronics, published on GitHub under the TAPR-OHL-1.0 license. It is a 2-layer board measuring 38 × 22 mm, with 25 components from 17 distinct parts.

Its main chip is the ATTINY404-SSNR, from the AVR/Arduino family. Other key parts include the HX711. By type, the board carries 7 capacitors, 7 resistors, 6 relays, 2 ICs and 1 transistor.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

Hardware design, BOM, gerbers and 3D files for Load-cell-ampfilier-HX711-board-with-easy-C designed by Soldered Electronics.

All Soldered Electronics hardware designed in KiCAD, and repositories are organized in the following way:

- CAD folder - contains KiCAD files (Schematics, Board, Panel Board), sorted by version. Change log lists all changes between versions. - OUTPUTS - contains useful files, such as Bill of Materials (BOM), PDF of schematics, 3D .step file of the board and gerber files, sorted by version. - OUTPUTS -> Compliance - Certificates and useful legal stuff.

Load cell ampfilier-HX711-board with easy-C-hardware design, from the project README
From the project README

Main components on the Load cell ampfilier-HX711-board with easy-C-hardware design

HX711ATTINY404-SSNR

Load cell ampfilier-HX711-board with easy-C-hardware design bill of materials (BOM)

25 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
HX711
U1
1
ATTINY404-SSNR
U2
1
MMBT4403
Q1
2
HOLE_3.2mm
H1, H2
1
HEADER_MALE_5X1
K1
1
HEADER_MALE_2X1
K2
2
easyC-SMD
K3, K5
1
HEADER-UPDI
K4
1
DSHP03TS-S
K6
4
100nF
C1, C3, C4, C5
2
10uF
C2, C6
1
0.1uF
C7
2
100R
R1, R2
1
20k
R3
1
8.2k
R4
2
10k
R5, R6
1
10R
R7

Load cell ampfilier-HX711-board with easy-C-hardware design design files

The KiCad project lives in the SolderedElectronics/Load-cell-ampfilier-HX711-board-with-easy-C-hardware-design repository on GitHub; these links point at the commit this page was built from.

Load cell ampfilier-HX711-board with easy-C-hardware design: common questions

What microcontroller does the Load cell ampfilier-HX711-board with easy-C-hardware design use?

The Load cell ampfilier-HX711-board with easy-C-hardware design is built around the ATTINY404-SSNR, from the AVR/Arduino family.

How big is the Load cell ampfilier-HX711-board with easy-C-hardware design?

The Load cell ampfilier-HX711-board with easy-C-hardware design measures 38 × 22 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Load cell ampfilier-HX711-board with easy-C-hardware design?

25 components, from 17 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 Load cell ampfilier-HX711-board with easy-C-hardware design design files?

From the SolderedElectronics/Load-cell-ampfilier-HX711-board-with-easy-C-hardware-design 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 Load cell ampfilier-HX711-board with easy-C-hardware design design in my own project?

Yes, under the terms of its TAPR-OHL-1.0 license, which SolderedElectronics chose for the repository.

Can I test firmware for the Load cell ampfilier-HX711-board with easy-C-hardware design without the hardware?

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

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