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FgFocus

GrussmayerLab·fgFocus·PCB/fgFocus/fgFocus.kicad_pcb

FgFocus PCB layout, top view — open source Microchip SAM board by GrussmayerLab
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About the FgFocus PCB

FgFocus is an open source Microchip SAM PCB design by GrussmayerLab, published on GitHub. It is a 2-layer board measuring 44.6 × 44.6 mm, with 7 components from 6 distinct parts.

Its main chip is the XIAO-SAMD21-SMD, from the Microchip SAM family. By type, the board carries 3 resistors, 2 connectors, 1 IC and 1 capacitor.

From the project

Focus Lock for Micro-Manager

fgFocus is an active focus-lock system designed to maintain sharp focus during extended imaging experiments, such as single-molecule and live-cell imaging. It corrects axial drift (movement along the Z-axis) that can occur over time, ensuring your sample stays perfectly in focus.

This project is inspired by similar systems like qgFocus and pgFocus and follows the same naming convention.

FgFocus, from the project README
From the project README

Main components on the FgFocus

XIAO-SAMD21-SMD

FgFocus bill of materials (BOM)

7 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XIAO-SAMD21-SMD
U7
1
FTSH-105-01-F-DV-P-TR
J1
1
Conn_02x06_Counter_Clockwise
J3
1
100p
C15
1
1.5k
R5
2
10k
R6, R7

FgFocus design files

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

FgFocus: common questions

What microcontroller does the FgFocus use?

The FgFocus is built around the XIAO-SAMD21-SMD, from the Microchip SAM family.

How big is the FgFocus PCB?

The FgFocus measures 44.6 × 44.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the FgFocus?

7 components, from 6 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 FgFocus design files?

From the GrussmayerLab/fgFocus 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 FgFocus design in my own project?

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

Can I test firmware for the FgFocus 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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