HardLabs

HydroBall

CIDCO-dev·Poseidon·docs/PCB Design/HB-HAT/HydroBall.kicad_pcb

HydroBall PCB layout, top view — open source Raspberry Pi board by CIDCO-dev

About the HydroBall PCB

HydroBall is an open source Raspberry Pi PCB design by CIDCO-dev, published on GitHub under the MIT license. It is a 4-layer board measuring 75.9 × 105.9 mm, with 51 components from 37 distinct parts.

Its main chip is the Raspberry_Pi_2_3, from the Raspberry Pi family. Other key parts include the HIH8130-021-001, INA238AIDGSR and DS3231MZ. By type, the board carries 14 resistors, 12 connectors, 10 capacitors, 5 ICs, 3 transistors and 2 jumpers.

From the project

Hydrographic surveying platform operating system

HB-HAT HydroB HAT interface between RPI and devices

HB-BP Power module bypass for Hydroblock

HB-HL Led and hall interface module for Hydroball

HB-PM-Prog Power Module Programmation Interface

Main components on the HydroBall

HIH8130-021-001INA238AIDGSRDS3231MZ

HydroBall bill of materials (BOM)

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

QtyPartRefs
1
HIH8130-021-001
IC1
1
~
U1
1
~
U2
1
INA238AIDGSR
U4
1
DS3231MZ
U8
3
2N7002
Q1, Q2, Q3
1
Conn_01x05
J1
1
Conn_01x07
J2
4
Conn_01x05
J3, J4, J6, J7
1
Conn_01x06
J5
1
Raspberry_Pi_2_3
J8
1
Conn_01x03
J9
1
Conn_02x05_Top_Bottom
J11
1
Conn_01x06
J13
1
Conn_02x04_Counter_Clockwise
J14
1
Battery_Cell
BT1
1
2A
F1
2
SolderJumper_2_Open
JP1, JP3
1
REC20K-2405SZ
PS1
1
B550C
D2
Show 17 more
QtyPartRefs
1
22uH/4A
L1
1
150uf/50v
C5
1
0.1uf /50v
C6
1
DNP
C7
1
10uf/50v
C8
1
47uf/50v
C9
1
4.7nf/2kv
C10
2
100nf
C12, C17
1
DNP
C13
1
0.22uF
C19
4
4.7k
R1, R2, R22, R23
4
1k
R3, R4, R20, R21
1
0.033R/2W
R10
2
100r
R11, R12
1
0R
R15
1
DNP
R16
1
169K
R17

HydroBall design files

The KiCad project lives in the CIDCO-dev/Poseidon repository on GitHub; these links point at the commit this page was built from.

HydroBall: common questions

What microcontroller does the HydroBall use?

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

How big is the HydroBall PCB?

The HydroBall measures 75.9 × 105.9 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the HydroBall?

51 components, from 37 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 HydroBall design files?

From the CIDCO-dev/Poseidon 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 HydroBall design in my own project?

Yes, under the terms of its MIT license, which CIDCO-dev chose for the repository.

Can I test firmware for the HydroBall 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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