HardLabs

Controller

deltaphi·RR32CanController·Hardware/ControllerSMD/Controller.kicad_pcb

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

Controller 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 35 × 124 mm, with 54 components from 29 distinct parts.

Its main chip is the 4044, from the ESP32 family. Other key parts include the 4014, CH340C and XM1584. By type, the board carries 20 resistors, 13 capacitors, 9 switches, 5 ICs, 5 connectors 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 Controller

40444014CH340CXM1584

Controller bill of materials (BOM)

54 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
4044
ESP32-WROOM-32
U1
1
4044
TJA1051T
U2
1
4014
74LS367
U3
1
CH340C
U4
1
XM1584
U5
1
8P8C
J1
1
S88_IN
LCD Header
J2
1
USB_B_Micro
J3
1
S88_OUT
S88
J4
1
Screw_Terminal_01x05
J5
1
Rotary_Encoder_Switch
SW1
1
SW_F0
SW2
1
SW_F1
SW3
1
SW_F2
SW4
1
SW_F3
SW5
1
SW_F4
SW6
1
Shift
SW7
1
Stop
SW8
1
EN
SW9
2
D_Schottky
D1, D2
Show 9 more
QtyPartRefs
8
10N
10n
C1, C2, C3, C4, C5, C6, C7, C8
1
100N
10n
C9
1
10n
C10
1
100n
C11
1
470u
C12
1
4u7
C13
10
10K
10k
R1, R2, R4, R5, R6, R7, R8, R9 +2
8
100K
10k
R3, R14, R15, R16, R17, R18, R19, R20
2
10k
R12, R13

Controller design files

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

Controller: common questions

What microcontroller does the Controller use?

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

How big is the Controller PCB?

The Controller measures 35 × 124 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Controller?

54 components, from 29 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 Controller 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 Controller 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 Controller 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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