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CACKLE-Hub-ESP32-S3

techy-robot·CACKLE-Hub-ESP32-S3

CACKLE-Hub-ESP32-S3 PCB layout, top view — open source ESP32 board by techy-robot

About the CACKLE-Hub-ESP32-S3 PCB

CACKLE-Hub-ESP32-S3 is an open source ESP32 PCB design by techy-robot, published on GitHub under the CC-BY-NC-4.0 license. It is a 6-layer board measuring 15 × 30 mm, with 70 components from 35 distinct parts.

Its main chip is the ESP32-S3, from the ESP32 family. Other key parts include the 74HC595, THVD1420DRLR, TPS2521ARPWR, SN74LV595A and TS5A3159DCK. By type, the board carries 22 capacitors, 22 resistors, 16 connectors, 6 ICs, 2 switches and 1 crystal.

It belongs with the robotics & motion and sensors designs in this gallery.

From the project

4 port 2 sensor ESP32-S3 control hub. This is part of a modular control board ecosystem, CACKLE. https://github.com/techy-robot/CACKLE

This is a 4-driver hub based on the Espressif ESP32-S3FH4 chip. It has two cores powerful running at 240 mhz, and 4mb of flash memory. Other variants of the ESP32-S3 can be used as long as they have built in flash memory.

The ESP32-S3 chip does not quite have enough pins for driving 4 motors and several sensors, so some cuts were made. For example, on all 4 ports for the ADCs, only two out of three pins are actually connected. This will work for brushed and brushless FOC control, but it may not work for other use cases. I also had to use the USB lines for a tri-state shift register, which…

Main components on the CACKLE-Hub-ESP32-S3

ESP32-S374HC595THVD1420DRLRTPS2521ARPWRSN74LV595ATS5A3159DCK

CACKLE-Hub-ESP32-S3 bill of materials (BOM)

70 components, 35 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-S3
ESP32-S3 FN8
U1
1
74HC595
SN74LV595A
U2
1
THVD1420DRLR
U3
1
TPS2521ARPWR
U4
1
SN74LV595A
U5
1
TS5A3159DCK
U6
1
2 pin 40MHZ, 10ppm tol., 20ppm stab., 10pF
Y1
9
Precidip 853-87-004-20-001101
J1, J2, J4, J6, J7, J9, J10, J12 +1
4
FPC 0.3mm Aces 51688-0070M
J3, J5, J8, J11
2
TE 3-2363961-0 receptacle
J13, J16
1
Precidip 852-10-004-20-001101
J18
2
Mitsumi R-667996
SW1, SW2
1
2.6~3.1 Fv Green 5ma
D1
2
22UF
22uF
C1, C14
4
1UF
1uF
C2, C7, C9, C13
1
0.1UF
10uF
C3
5
0.1UF
100nF
C4, C5, C6, C8, C10
2
12PF
12pF
C11, C12
2
1uF
C15, C16
1
3.3nF
C17
Show 15 more
QtyPartRefs
1
2.7nF
C18
4
10nF
C19, C20, C21, C22
1
100K
100k
R1
5
10K
10k
R2, R7, R18, R19, R20
3
33OHM
33ohm
R3, R4, R5
1
22 ohm
R6
2
10K
2.2k
R8, R9
1
100 ohm
R10
1
10K
470k
R11
1
332k
R12
3
10k
R13, R17, R22
1
100k
R14
1
6.04k
R15
1
120ohm
R16
1
150k
R21

CACKLE-Hub-ESP32-S3 design files

The KiCad project lives in the techy-robot/CACKLE-Hub-ESP32-S3 repository on GitHub; these links point at the commit this page was built from.

CACKLE-Hub-ESP32-S3: common questions

What microcontroller does the CACKLE-Hub-ESP32-S3 use?

The CACKLE-Hub-ESP32-S3 is built around the ESP32-S3, from the ESP32 family.

How big is the CACKLE-Hub-ESP32-S3 PCB?

The CACKLE-Hub-ESP32-S3 measures 15 × 30 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the CACKLE-Hub-ESP32-S3?

70 components, from 35 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 CACKLE-Hub-ESP32-S3 design files?

From the techy-robot/CACKLE-Hub-ESP32-S3 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 CACKLE-Hub-ESP32-S3 design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the CACKLE-Hub-ESP32-S3 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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