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ESP32Breakout

deltaphi·RR32CanController·Hardware/ESP32Breakout/ESP32Breakout.kicad_pcb

ESP32Breakout PCB layout, top view — open source ESP32 board by deltaphi
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About the ESP32Breakout PCB

ESP32Breakout is an open source ESP32 PCB design by deltaphi, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 81.3 × 59.7 mm, with 27 components from 24 distinct parts.

Its main chip is the 4044, from the ESP32 family. Other key parts include the 4014, 74LS367, D24V10F3 and CH340G. By type, the board carries 13 connectors, 6 ICs, 4 capacitors, 2 switches and 2 diodes.

It belongs with the iot & wireless designs in this gallery.

From the project

Sketch for a Switchboard talking the CAN CS2 protocol based on the ESP32 NodeMCU-Board

This project is built using PlatformIO. It makes use of some features that may not be easily portable to other Arduino-supported MCUs.

This project makes use of several libraries. Versioned links to those libraries are available as git submodules. Note that for seom libraries, using forks from the same source as this project may be required.

Note that the CAN driver from the lib directory must not be present when you want to compile using the ESP32-IDF driver. Otherwise, the Controller will just attempt to sit there without sending queued messages or receiving any messages transmitted on…

Main components on the ESP32Breakout

4044401474LS367D24V10F3CH340G

ESP32Breakout bill of materials (BOM)

27 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
4044
ESP32-WROOM-32
U1
1
4044
SN65HVD230
U2
1
4014
DOIT_ESP32_DEVKIT_V1
U3
1
74LS367
U4
1
D24V10F3
U5
1
CH340G
U6
2
8P8C
J1, J9
1
S88_IN
LCD Header
J2
1
USB_B_Micro
J3
1
S88_OUT
Conn_01x02_Male
J4
1
Screw_Terminal_01x05
J5
1
USBConn BO
J6
1
S88 Header
J7
1
ESP32 BO R
J8
1
ESP32 BO L
J10
1
RJ45 BO
J11
1
CAN BO
J12
1
Conn_01x02_Male
J13
1
SW_EN
SW9
1
SW_GPIO0
SW10
Show 4 more
QtyPartRefs
2
D_Schottky
D1, D2
2
100n
C11, C15
1
470u
C12
1
4u7
C13

ESP32Breakout design files

The KiCad project lives in the deltaphi/RR32CanController repository on GitHub; these links point at the commit this page was built from.

ESP32Breakout: common questions

What microcontroller does the ESP32Breakout use?

The ESP32Breakout is built around the 4044, from the ESP32 family.

How big is the ESP32Breakout PCB?

The ESP32Breakout measures 81.3 × 59.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ESP32Breakout?

27 components, from 24 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 ESP32Breakout design files?

From the deltaphi/RR32CanController repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the ESP32Breakout design in my own project?

Yes, under the terms of its GPL-3.0 license, which deltaphi chose for the repository.

Can I test firmware for the ESP32Breakout without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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