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OSBMS MicroMaster atmega328

Teslafly·Dead-OpenBMS-dead·Hardware/MicroMaster/OSBMS MicroMaster atmega328.kicad_pcb

OSBMS MicroMaster atmega328 PCB layout, top view — open source AVR/Arduino board by Teslafly

About the OSBMS MicroMaster atmega328 PCB

OSBMS MicroMaster atmega328 is an open source AVR/Arduino PCB design by Teslafly, published on GitHub. It is a 2-layer board measuring 49.5 × 49.5 mm, with 31 components from 18 distinct parts.

Its main chip is the ATMEGA328P-A, from the AVR/Arduino family. By type, the board carries 10 capacitors, 8 connectors, 8 resistors, 2 transistors, 1 IC and 1 diode.

It belongs with the power & battery designs in this gallery.

From the project

A scalable, open source battery management system

THIS PROJECT IS DEAD. The avalibility of other projects and low cost off the shelf solutions has imporved significantly to where this project is no londer needed.

A much more mature open source bms that I recommend is https://github.com/EnnoidMe/ENNOID-BMS that has all the features that I had wanted to implement. Off the shelf hardware is available for that too if you don't want to build your own.

OSBMS MicroMaster atmega328, from the project README
From the project README

Main components on the OSBMS MicroMaster atmega328

ATMEGA328P-A

OSBMS MicroMaster atmega328 bill of materials (BOM)

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

QtyPartRefs
1
ATMEGA328P-A
IC1
1
FDS6892A
Q1
1
BSS138
Q2
1
CONN_01X06
P1
1
CONN_02X03
P2
2
CONN_01X03
P3, P4
1
CONN_01X09
P5
1
CONN_01X10
P6
1
CONN_01X06
P7
1
CONN_01X04
P10
1
8mhz resonator
XTAL1
1
3.3vZENER
D1
8
100NF
C1, C2, C3, C4, C6, C7, C8, C10
1
CP1
C5
1
33uF PolC
C9
6
10K
R1, R2, R3, R7, R8, R9
1
50k ohm
R5
1
5k ohm
R6

OSBMS MicroMaster atmega328 design files

The KiCad project lives in the Teslafly/Dead-OpenBMS-dead repository on GitHub; these links point at the commit this page was built from.

OSBMS MicroMaster atmega328: common questions

What microcontroller does the OSBMS MicroMaster atmega328 use?

The OSBMS MicroMaster atmega328 is built around the ATMEGA328P-A, from the AVR/Arduino family.

How big is the OSBMS MicroMaster atmega328 PCB?

The OSBMS MicroMaster atmega328 measures 49.5 × 49.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the OSBMS MicroMaster atmega328?

31 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 OSBMS MicroMaster atmega328 design files?

From the Teslafly/Dead-OpenBMS-dead repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the OSBMS MicroMaster atmega328 design in my own project?

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

Can I test firmware for the OSBMS MicroMaster atmega328 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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