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USB VSense

Meticulous-Technologies·USB_VSense·hardware/KiCAD/USB_VSense_gamma/USB_VSense_gamma.kicad_pcb

USB VSense PCB layout, top view — open source AVR/Arduino board by Meticulous-Technologies

About the USB VSense PCB

USB VSense is an open source AVR/Arduino PCB design by Meticulous-Technologies, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 18.3 × 47.5 mm, with 39 components from 34 distinct parts.

Its main chip is the ATTINY406-M, from the AVR/Arduino family. Other key parts include the MCP1799X-500XXTT. By type, the board carries 16 resistors, 9 diodes, 6 capacitors, 2 ICs and 2 connectors.

Main components on the USB VSense

ATTINY406-MMCP1799X-500XXTT

USB VSense bill of materials (BOM)

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

QtyPartRefs
1
ATTINY406-M
ATtiny406-M
Microchip Technology
U1
1
MCP1799X-500XXTT
MCP1792x-5002xCB
Microchip Technology
U2
1
USB_C_Receptacle
JAE Electronics
J1
1
USB_C_Plug
JAE Electronics
P1
4
MountingHole
Würth Elektronik
H1, H2, H3, H4
1
LED RED
Kingbright
D1
1
LED ORANGE
Kingbright
D2
1
LED YELLOW
Kingbright
D3
1
LED GREEN
Kingbright
D4
1
LED_Dual_AKKA
Kingbright
D5
1
LED BLUE
Kingbright
D6
1
LED_Dual_KAAK
Kingbright
D7
1
LED WHITE
ams OSRAM
D8
1
BAT54C
BAT54C
D10
2
2.2u
Murata
C1, C2
1
10N
2.2u
Samsung Electro-Mechanics
C3
2
3.9n
Samsung Electro-Mechanics
C4, C5
1
100n
Samsung Electro-Mechanics
C6
1
30K
1.2k
YAGEO
R1
1
7.5K
1.5k
YAGEO
R2
Show 14 more
QtyPartRefs
1
560
750
YAGEO
R3
1
2.2K
2.2k
YAGEO
R4
1
750
4.3k
YAGEO
R5
1
4.7K
1k
YAGEO
R6
1
3.3K
560
YAGEO
R7
1
220
1k
YAGEO
R8
1
3.9k
YAGEO
R9
1
680
YAGEO
R10
1
22
YAGEO
R11
1
220
YAGEO
R12
1
82k
YAGEO
R13
1
20k
YAGEO
R14
1
110k
YAGEO
R15
1
10k
YAGEO
R16

USB VSense design files

The KiCad project lives in the Meticulous-Technologies/USB_VSense repository on GitHub; these links point at the commit this page was built from.

USB VSense: common questions

What microcontroller does the USB VSense use?

The USB VSense is built around the ATTINY406-M, from the AVR/Arduino family.

How big is the USB VSense PCB?

The USB VSense measures 18.3 × 47.5 mm, has 4 copper layers and is 0.78 mm thick.

How many components are on the USB VSense?

39 components, from 34 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 USB VSense design files?

From the Meticulous-Technologies/USB_VSense 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 USB VSense design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which Meticulous-Technologies chose for the repository.

Can I test firmware for the USB VSense 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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