HardLabs

Projet gpsdo

MARWANE225·projet-gpsdo·kicad/atmega_kicad.kicad_pcb

Projet gpsdo PCB layout, top view — open source AVR/Arduino board by MARWANE225
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About the Projet gpsdo PCB

Projet gpsdo is an open source AVR/Arduino PCB design by MARWANE225, published on GitHub. It is a 2-layer board measuring 40.5 × 35 mm, with 30 components from 18 distinct parts.

Its main chip is the ATmega32U4-A, from the AVR/Arduino family. Other key parts include the AD8541. By type, the board carries 11 capacitors, 5 diodes, 5 resistors, 4 connectors, 2 ICs and 2 switches.

It belongs with the rf & radio designs in this gallery.

From the project

Asservissement numérique d'un oscillateur à quartz sur signal GPS (1PPS).

Main components on the Projet gpsdo

AD8541ATmega32U4-A

Projet gpsdo bill of materials (BOM)

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

QtyPartRefs
1
AD8541
IC1
1
ATmega32U4-A
U1
1
16M
Y1
1
Conn_Coaxial
J1
1
Conn_01x02_Pin
J2
1
Conn_01x01_Pin
J3
1
USB_B_Mini
P1
2
SW_SPST
S1, S3
1
BB833
D5
4
LED
D7, D8, D9, D10
2
1u
C1, C2
1
1n
C3
2
12p
C4, C7
1
C
C5
5
100n
C8, C9, C10, C11, C12
2
22
R1, R2
2
5600
R5, R10
1
R
R6

Projet gpsdo design files

The KiCad project lives in the MARWANE225/projet-gpsdo repository on GitHub; these links point at the commit this page was built from.

Projet gpsdo: common questions

What microcontroller does the Projet gpsdo use?

The Projet gpsdo is built around the ATmega32U4-A, from the AVR/Arduino family.

How big is the Projet gpsdo PCB?

The Projet gpsdo measures 40.5 × 35 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Projet gpsdo?

30 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 Projet gpsdo design files?

From the MARWANE225/projet-gpsdo 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 Projet gpsdo design in my own project?

The repository has no license, so all rights stay with MARWANE225. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Projet gpsdo 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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