HardLabs

OVERLAY-1

Digital-Naturalism-Laboratories·Mothbox_Electronics·Mothbox_PCBs/Mothbox_PCB_5.0.6/MothBox/RPi5-HATplus-master/HATPlus/HAT+.kicad_pcb

OVERLAY-1 PCB layout, top view — open source board by Digital-Naturalism-Laboratories

About the OVERLAY-1 PCB

OVERLAY-1 is an open source PCB design by Digital-Naturalism-Laboratories, published on GitHub under the MIT license. It is a 4-layer board measuring 65 × 56.5 mm, with 7 components from 5 distinct parts.

Other key parts include the AT24CS64-SSHM. By type, the board carries 4 resistors, 1 IC, 1 connector and 1 capacitor.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

This is where the electronics for the Mothbox are developed, such as the PCB! It's copied over from https://github.com/Digital-Naturalism-Laboratories/Mothbox/tree/main/Hardware/PCB so you can check that out if you want to see the full history!

With the relase of the Raspberry Pi 5, a new HAT form factor (HAT+) was introduced. It has cutouts for both a PCIe and two 4-lane CSI-2 camera ports.

Bottom-entry 2x20, 2.54mm SMD socket header: - Samtec HLE-120-02-L-DV-BE-A-K-TR - WE 610040243021

Extender 2x20, 2.54mm socket header: - Samtec ESQ-120-14-G-D - Sparkfun PRT-16764

HAT+ spec: https://datasheets.raspberrypi.com/hat/hat-plus-specification.pdf

OVERLAY-1, from the project README
From the project README

Main components on the OVERLAY-1

AT24CS64-SSHM

OVERLAY-1 bill of materials (BOM)

7 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AT24CS64-SSHM
U1
1
DB141V-2.54-4P
Conn_02x20_Odd_Even
J1
1
100nF
C25
2
10K
3.9k
R9, R11
2
18R
3.9k
R10, R16

OVERLAY-1 design files

The KiCad project lives in the Digital-Naturalism-Laboratories/Mothbox_Electronics repository on GitHub; these links point at the commit this page was built from.

OVERLAY-1: common questions

How big is the OVERLAY-1 PCB?

The OVERLAY-1 measures 65 × 56.5 mm, has 4 copper layers and is 1.616 mm thick.

How many components are on the OVERLAY-1?

7 components, from 5 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 OVERLAY-1 design files?

From the Digital-Naturalism-Laboratories/Mothbox_Electronics 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 OVERLAY-1 design in my own project?

Yes, under the terms of its MIT license, which Digital-Naturalism-Laboratories chose for the repository.

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