HardLabs

Dual Atto320 breakout

gregdavill·advent-calendar-of-circuits-2020·syzygy-dual-atto320/kicad-src/syzygy-dual-atto320.kicad_pcb

Dual Atto320 breakout layout, top view — open source AVR/Arduino board by gregdavill

About the Dual Atto320 breakout

Dual Atto320 breakout is an open source AVR/Arduino PCB design by gregdavill, published on GitHub. It is a 4-layer board measuring 45 × 70 mm, with 8 components from 7 distinct parts.

Its main chip is the ATTINY44A-MMH, from the AVR/Arduino family. By type, the board carries 4 connectors, 2 capacitors, 1 IC and 1 resistor.

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

From the project

1 circuit board design a day for 31 days.

SYZYGY is an FPGA expansion standard for medium to high speed interfaces. Learn more and check out the specifications here: https://syzygyfpga.io/

Breakout board to connect dual Atto320 LWIR sensors.

Designed to pair with existing sensor breakout boards, which provide a FFC connection

Dual Atto320 breakout, from the project README
From the project README

Main components on the Dual Atto320 breakout

ATTINY44A-MMH

Dual Atto320 breakout bill of materials (BOM)

8 components, 7 distinct parts.

QtyPartRefs
1
ATTINY44A-MMH
ATtiny44A-MMH
U2
1
QTE-020-01-F-D-A
SYZYGY-STD
J1
2
Conn_01x24_MountingPin
J2, J4
1
TagConnect
J3
1
CL05B104KP5NNNC
0.1uF
C9
1
CL05A105KP5NNNC
1uF
C10
1
RMCF0402FT10K0
10K
R15

Dual Atto320 breakout design files

The KiCad project lives in the gregdavill/advent-calendar-of-circuits-2020 repository on GitHub; these links point at the commit this page was built from.

Dual Atto320 breakout: common questions

What microcontroller does the Dual Atto320 breakout use?

The Dual Atto320 breakout is built around the ATTINY44A-MMH, from the AVR/Arduino family.

How big is the Dual Atto320 breakout?

The Dual Atto320 breakout measures 45 × 70 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Dual Atto320 breakout?

8 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the Dual Atto320 breakout design files?

From the gregdavill/advent-calendar-of-circuits-2020 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Dual Atto320 breakout design in my own project?

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

Can I test firmware for the Dual Atto320 breakout 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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