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LASDAC

Grix·LASDAC·PCB/LASDAC.kicad_pcb

LASDAC PCB layout, top view — open source Microchip SAM board by Grix
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About the LASDAC PCB

LASDAC is an open source Microchip SAM PCB design by Grix, published on GitHub. It is a 2-layer board measuring 93.7 × 70 mm, with 78 components from 25 distinct parts.

Its main chip is the ATSAM4S, from the Microchip SAM family. Other key parts include the AP2114, SPX431, ISA_DC-DC_converter, DAC084S085C and TL084_v. By type, the board carries 40 resistors, 24 capacitors, 8 ICs, 2 connectors, 2 diodes and 1 crystal.

Main components on the LASDAC

AP2114SPX431ISA_DC-DC_converterATSAM4SDAC084S085CTL084_vLM358

LASDAC bill of materials (BOM)

78 components, 25 distinct parts.

QtyPartRefs
1
AP2114
U1
1
SPX431
U2
1
ISA_DC-DC_converter
U3
1
ATSAM4S
U4
1
DAC084S085C
U5
2
TL084_v
U6, U8
1
LM358
U7
1
12MHz .25%
Y1
1
USB_B
P1
1
CONN_01X25
P2
2
Led_Small
D1, D2
1
10uH
L1
6
4.7uF
C1, C3, C4, C5, C6, C13
1
10uF
C2
11
100nF
C7, C8, C9, C10, C12, C19, C20, C21 +3
1
10nF
C11
2
13pF
C14, C15
1
0.1uF
C16
2
390pF
C17, C18
2
27R
R1, R2
Show 5 more
QtyPartRefs
13
150
R3, R4, R5, R6, R7, R8, R9, R10 +5
1
150R
R16
5
1.65k
R18, R19, R26, R34, R35
18
10k
R20, R21, R22, R23, R24, R25, R27, R28 +10
1
5.11k
R33

LASDAC design files

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

LASDAC: common questions

What microcontroller does the LASDAC use?

The LASDAC is built around the ATSAM4S, from the Microchip SAM family.

How big is the LASDAC PCB?

The LASDAC measures 93.7 × 70 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LASDAC?

78 components, from 25 distinct parts. The full bill of materials is listed on this page.

Where can I download the LASDAC design files?

From the Grix/LASDAC repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the LASDAC design in my own project?

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

Can I test firmware for the LASDAC without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Microchip SAM firmware against it before you order a PCB.

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