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SparkAltBatteryBoard

fahreddinaykut·SparkAltBatteryBoard·Hardware/SparkAltBatteryBoardV1.kicad_pcb

SparkAltBatteryBoard PCB layout, top view — open source AVR/Arduino board by fahreddinaykut
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About the SparkAltBatteryBoard PCB

SparkAltBatteryBoard is an open source AVR/Arduino PCB design by fahreddinaykut, published on GitHub under the MIT license. It is a 4-layer board measuring 58.8 × 29 mm, with 37 components from 23 distinct parts.

Its main chip is the ATMEGA328P-A, from the AVR/Arduino family. Other key parts include the INA199XXDCK, AP63203WU and TPD2E2U06DCK. By type, the board carries 13 capacitors, 11 resistors, 4 ICs, 4 connectors, 2 diodes and 2 inductors.

It belongs with the power & battery, test & measurement and robotics & motion designs in this gallery.

From the project

A custom research-oriented battery interface and telemetry board for the DJI Spark platform, built around a standard 3S LiPo battery pack instead of the discontinued, hard-to-find OEM Smart Battery.

A custom research-oriented battery interface and telemetry board for the DJI Spark platform, built around a standard 3S LiPo battery pack instead of the discontinued, hard-to-find OEM Smart Battery.

This project documents a reverse-engineered I2C/SMBus smart-battery communication interface, originally developed to study how the DJI Spark flight controller communicates with its battery pack. The board sits between a standard 3S pack and the drone, reads the real cell voltages and current, and reproduces that communication interface.

SparkAltBatteryBoard, from the project README
From the project README

Main components on the SparkAltBatteryBoard

ATMEGA328P-AINA199XXDCKAP63203WUTPD2E2U06DCK

SparkAltBatteryBoard bill of materials (BOM)

37 components, 23 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA328P-A
ATmega328P-A
U1
1
INA199XXDCK
INA199xxDCK
U2
1
AP63203WU
U3
1
TPD2E2U06DCK
U4
1
X32258MOB4SI
Y1
1
JST-XH-4P
J1
1
6PIN_BLADE_CON
J2
1
AVR ICSP
J3
1
XT60
J4
1
SMAJ15A
D2
1
LED_Small
D3
1
MGFL1608F100MT-LF
L1
1
SFE3015A-4R7M-F-HF
L2
7
100NF
100nF
C2, C6, C10, C11, C12, C13, C14
4
22UF
22uF
C3, C7, C8, C9
2
18PF
18pF
C4, C5
1
2MR
2mR
R2
4
10K
R3, R8, R10, R12
1
1K
R4
2
5.1K
R5, R6
Show 3 more
QtyPartRefs
1
4.7K
R7
1
20K
R9
1
33K
R11

SparkAltBatteryBoard design files

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

SparkAltBatteryBoard: common questions

What microcontroller does the SparkAltBatteryBoard use?

The SparkAltBatteryBoard is built around the ATMEGA328P-A, from the AVR/Arduino family.

How big is the SparkAltBatteryBoard PCB?

The SparkAltBatteryBoard measures 58.8 × 29 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the SparkAltBatteryBoard?

37 components, from 23 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 SparkAltBatteryBoard design files?

From the fahreddinaykut/SparkAltBatteryBoard 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 SparkAltBatteryBoard design in my own project?

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

Can I test firmware for the SparkAltBatteryBoard 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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