HardLabs

Fsghrth

frgrw·fsghrth

Fsghrth PCB layout, top view — open source AVR/Arduino board by frgrw

About the Fsghrth PCB

Fsghrth is an open source AVR/Arduino PCB design by frgrw, published on GitHub under the TAPR-OHL-1.0 license. It is a 2-layer board measuring 40 × 54 mm, with 34 components from 22 distinct parts.

Its main chip is the AT90USB1286-AUR, from the AVR/Arduino family. Other key parts include the USBLC6-2SC6 and LM2776DBVT. By type, the board carries 13 resistors, 12 capacitors, 3 ICs, 2 transistors, 2 connectors and 1 crystal.

From the project

This repository contains the schematic and layout files for the Microsoft Sculpt Wired Conversion Mod.

This repository contains the schematic and layout files for the Microsoft Sculpt Wired Conversion Mod.

To get the board manufactured: 1) Install Kicad & the PCBWay plugin. Use the plugin to start an order, select HASL lead-free if you want lead-free. The other defaults should be fine. Check the box for Assembly service 2) Upload the BOM (bill of materials) and component placement file. These are generated from Kicad: use Tools > "Generate BOM" from the Schematic Editor, and File > "Fabrication Outputs" > "Component placement (.pos)" from the PCB Editor.

Main components on the Fsghrth

USBLC6-2SC6LM2776DBVTAT90USB1286-AUR

Fsghrth bill of materials (BOM)

34 components, 22 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
USBLC6-2SC6
STMicroelectronics
U1
1
LM2776DBVT
Texas Instruments
U2
1
AT90USB1286-AUR
Microchip Technology
U3
1
BSS84AK,215
Nexperia USA Inc.
Q1
1
2N7002BK,215
Nexperia USA Inc.
Q2
1
TSX-3225 16.0000MF18X-AC0
EPSON
Y1
1
12401610E4#2A
USB_C_Receptacle
Amphenol ICC (FCI)
J1
1
FFC3B07-30-T
GCT
J2
1
EVQ-P7A01P
TE Connectivity ALCOSWITCH Switches
SW1
1
CL21A475KOFNNNE
Samsung Electro-Mechanics
C1
1
CL21B104KACNNNC
Samsung Electro-Mechanics
C2
1
CL21B103KBANNNC
Samsung Electro-Mechanics
C3
4
CL10A105KA8NNNC
Samsung Electro-Mechanics
C4, C5, C6, C9
2
CL10C160JB8NNNC
AVX Corporation
C7, C8
3
CL10B104KB8NNNC
Samsung Electro-Mechanics
C10, C11, C12
3
ERJ-PA3F22R0V
Panasonic Electronic Components
R1, R2, R7
2
ERJ-PA3J472V
Panasonic Electronic Components
R3, R8
1
ERJ-3EKF8873V
Panasonic Electronic Components
R4
1
ERJ-PA3J473V
Panasonic Electronic Components
R5
2
ERJ-3GEYJ331V
Panasonic Electronic Components
R6, R10
Show 2 more
QtyPartRefs
2
ERJ-PA3J151V
R11, R12
2
ERJ-3EKF5101V
R13, R14

Fsghrth design files

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

Fsghrth: common questions

What microcontroller does the Fsghrth use?

The Fsghrth is built around the AT90USB1286-AUR, from the AVR/Arduino family.

How big is the Fsghrth PCB?

The Fsghrth measures 40 × 54 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Fsghrth?

34 components, from 22 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 Fsghrth design files?

From the frgrw/fsghrth 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 Fsghrth design in my own project?

Yes, under the terms of its TAPR-OHL-1.0 license, which frgrw chose for the repository.

Can I test firmware for the Fsghrth 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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