HardLabs

Bcm3000

aschet·bcm3000·Schematic/bcm3000.kicad_pcb

Bcm3000

About the Bcm3000 PCB

Bcm3000 is an open source AVR/Arduino PCB design by aschet, published on GitHub under the MIT license. It is a 2-layer board, with 15 components from 13 distinct parts.

Its main chip is the Arduino_Nano_v2.x, from the AVR/Arduino family. Other key parts include the MCP6002-I/P and SBC-LCD16x2. By type, the board carries 5 resistors, 3 capacitors, 2 ICs, 2 switches, 2 diodes and 1 module.

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

From the project

BCM-3000: Beer Color Meter

While measuring specific gravity is ubiquitous in home brewing, measuring beer color in EBC/SRM units is not. One reason for this is the cost associated with the required laboratory equipment. For this reason, this project aims to develop a low-cost LED-based specialty photometer that implements the procedures defined in the MEBAK II 2.12 and ASBC Beer-10 analytical methods. All design files for the Arduino-based BCM-3000, including the KiCad schematic and FreeCAD CAD drawings for a 3D printable cuvette holder, have been published in this repository so that you can build this instrument…

Main components on the Bcm3000

MCP6002-I/PSBC-LCD16x2Arduino_Nano_v2.x

Bcm3000 bill of materials (BOM)

15 components, 13 distinct parts.

QtyPartRefs
1
MCP6002-I/P
U1
1
SBC-LCD16x2
U2
1
Arduino_Nano_v2.x
A1
2
SW_Push
SW1, SW2
1
EL333-2UBC/C430
D1
1
SFH203
D2
1
10u
C1
1
0.1u
C2
1
22p
C3
1
14k
R1
1
270
R2
1
60
R3
2
560k
R5, R6

Bcm3000 design files

The KiCad project lives in the aschet/bcm3000 repository on GitHub; these links point at the commit this page was built from.

Bcm3000: common questions

What microcontroller does the Bcm3000 use?

The Bcm3000 is built around the Arduino_Nano_v2.x, from the AVR/Arduino family.

How big is the Bcm3000 PCB?

The Bcm3000 has 2 copper layers and is 1.6 mm thick.

How many components are on the Bcm3000?

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

Where can I download the Bcm3000 design files?

From the aschet/bcm3000 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Bcm3000 design in my own project?

Yes, under the terms of its MIT license, which aschet chose for the repository.

Can I test firmware for the Bcm3000 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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