HardLabs

Usb

marmbrus·circuits·usbpcb/usbpcb.kicad_pcb

Usb PCB layout, top view — open source ESP8266 board by marmbrus
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About the Usb PCB

Usb is an open source ESP8266 PCB design by marmbrus, published on GitHub. It is a 4-layer board measuring 41.4 × 54.6 mm, with 15 components from 8 distinct parts.

Its main chip is the ESP-12F, from the ESP8266 family. By type, the board carries 8 resistors, 3 capacitors, 2 ICs and 2 switches.

Main components on the Usb

ESP-12F

Usb bill of materials (BOM)

15 components, 8 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
~
U2
1
ESP-12F
U501
2
B3U-1000P
SW501, SW502
1
470PF
470pf
C501
1
10UF
10uf
C502
1
100NF
100nf
C503
5
10K
10k
R501, R502, R503, R504, R505
3
4.7K
4.7k
R506, R507, R508

Usb design files

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

Usb: common questions

What microcontroller does the Usb use?

The Usb is built around the ESP-12F, from the ESP8266 family.

How big is the Usb PCB?

The Usb measures 41.4 × 54.6 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Usb?

15 components, from 8 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 design files?

From the marmbrus/circuits 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 design in my own project?

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

Can I test firmware for the Usb without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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