HardLabs

V0.4.4b

speeduino·Hardware·v0.4/SMD/Prior Versions/0.4.4b/v0.4.4b.kicad_pcb

V0.4.4b PCB layout, top view — open source AVR/Arduino board by speeduino
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About the V0.4.4b PCB

V0.4.4b is an open source AVR/Arduino PCB design by speeduino, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 138 components from 46 distinct parts.

Its main chip is the Arduino_Mega2560_Shield, from the AVR/Arduino family. Other key parts include the Trig Cond Socket, VNLD5090-E, TC4424AVOA, MPX4250AP and SP720ABTG. By type, the board carries 59 resistors, 27 capacitors, 20 diodes, 10 ICs, 8 connectors and 5 jumpers.

From the project

Official Speeduino hardware designs

These resellers all contribute a portion of sales back to the project to allow for continued development to take place and we encourage sales through them whenever possible.

Of course, being open source, you are free to use the design files provided here to create your own hardware!

This project exists thanks to all the people who contribute, both in terms of code and testing provided. If you'd like to get involved, please have a read through Contributing and then jump on Discord to discuss things further

V0.4.4b, from the project README
From the project README

Main components on the V0.4.4b

Trig Cond SocketVNLD5090-ETC4424AVOAMPX4250APSP720ABTGLM2940S-5.0/NOPBPololu_Breakout_DRV8825

V0.4.4b bill of materials (BOM)

138 components, 46 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Trig Cond Socket
IC3
4
VNLD5090-E
VNLD5090
U1, U3, U7, U9
2
TC4424AVOA
TC4424A
U2, U4
1
MPX4250AP
MPX4250
U5
1
SP720ABTG
SP720
U6
1
LM2940S-5.0/NOPB
U8
1
Pololu_Breakout_DRV8825
A1
3
SSM3K357R
Q1, Q2, Q3
3
Conn_01x05
J1, J6, J7
1
Conn_01x06
J2
1
Conn_01x02
J3
1
Conn_02x20_Counter_Clockwise
J4
1
Conn_01x04
J5
1
Conn_01x03
J8
2
0ZCC0050FF2C
Polyfuse
F1, F2
1
M20-9990345
Ignition Voltage
JP1
2
M20-9990345
VR-HALL
JP2, JP3
2
PULL-UP
JP4, JP5
1
MOV-14D220K
Varistor
RV1
1
AYZ0202AGRLC
S1
Show 26 more
QtyPartRefs
1
Arduino_Mega2560_Shield
XA1
8
LED
D1, D2, D3, D4, D7, D8, D9, D10
8
1N4448WX-TP
D
D5, D6, D11, D12, D16, D17, D18, D19
2
MM3Z5V1ST1G
D_Zener
D13, D20
1
B130-13-F
D14
1
1SMB5919BT3G
D15
2
CC0805KRX7R9BB103
0.01uF
C1, C15
3
CC0805KKX7R7BB105
1uF
C2, C25, C27
12
CC0805KRX7R9BB104
0.1uF
C3, C4, C9, C10, C11, C16, C18, C20 +4
1
CL21B224KOCNNNC
270nF
C5
5
CL21B224KOCNNNC
0.22uF
C6, C7, C12, C13, C14
1
CC0805KRX7R9BB471
470pf
C8
1
T491D106K050AT
10uF
C17
1
CL21A226KQCLRNC
22uF
C19
1
TAJB476K006RNJ
47uF
C21
12
RC0805FR-07100KL
100k
R1, R2, R3, R4, R15, R16, R19, R20 +4
17
RC0805FR-071KL
1k
R5, R6, R7, R8, R17, R18, R21, R22 +9
9
RC0805FR-072K4L
2.4k
R9, R10, R11, R12, R23, R24, R25, R26 +1
4
RC0805FR-0710RL
10R
R13, R14, R27, R28
1
RC0805FR-073K9L
3.9k
R30
8
ERJ-6ENF4700V
470R
R31, R32, R34, R38, R39, R40, R62, R63
2
RT0805BRD072K49L
2.49k
R35, R36
2
RC0805FR-07220RL
220R
R43, R44
2
RC0805JR-0710KL
10k
R45, R51
1
RC0805FR-07120RL
120R
R46
1
RC0805FR-072KL
2k
R52

V0.4.4b design files

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

V0.4.4b: common questions

What microcontroller does the V0.4.4b use?

The V0.4.4b is built around the Arduino_Mega2560_Shield, from the AVR/Arduino family.

How big is the V0.4.4b PCB?

The V0.4.4b measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the V0.4.4b?

138 components, from 46 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 V0.4.4b design files?

From the speeduino/Hardware repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the V0.4.4b design in my own project?

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

Can I test firmware for the V0.4.4b 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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