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Sensorless Coreless motor ESC SimpleFOC

Sp1kys·Sensorless_Coreless_motor_ESC_SimpleFOC·Hardware/Small_ESC/Small_ESC.kicad_pcb

Sensorless Coreless motor ESC SimpleFOC PCB layout, top view — open source ESP32 board by Sp1kys

About the Sensorless Coreless motor ESC SimpleFOC PCB

Sensorless Coreless motor ESC SimpleFOC is an open source ESP32 PCB design by Sp1kys, published on GitHub under the MIT license. It is a 4-layer board measuring 39 × 40 mm, with 76 components from 25 distinct parts.

Its main chip is the ESP32-S3-MINI-1-N8, from the ESP32 family. Other key parts include the DRV8316CRRGFR, USBLC6-4SC6 and MCP9700T-E/TT. By type, the board carries 33 resistors, 30 capacitors, 6 ICs, 3 connectors, 2 diodes and 1 inductor.

From the project

Hardware and software for Custom ESC for Coreless motors

Main components on the Sensorless Coreless motor ESC SimpleFOC

DRV8316CRRGFRESP32-S3-MINI-1-N8USBLC6-4SC6MCP9700T-E/TT

Sensorless Coreless motor ESC SimpleFOC bill of materials (BOM)

76 components, 25 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
DRV8316CRRGFR
IC1
1
ESP32-S3-MINI-1-N8
IC2
3
USBLC6-4SC6
U1, U3, U4
1
MCP9700T-E/TT
U2
1
USB4105
J1
1
1984620
PT-1,5-3-3.5-H
J2
1
1984617
PT-1,5-2-3.5-H
J3
1
TPS54202DDCR
PS1
1
1N5819HW-7-F
1N5819HW
D1
1
WS2812B-B/T
WS2812B
D2
1
SRN3015C-100M
10 uH 1A
L1
5
GCM155R71H104KE02J
0.1 uF 50V
C1, C7, C17, C22, C26
4
GCM1555C1H560JA16D
56 pF 50V
C2, C23, C24, C25
13
GRM21BR61H106KE43L
10 uF 50V
C3, C10, C11, C12, C14, C15, C21, C27 +5
1
CL32A476KOJNNNE
47 uF 16V
C4
4
CL10A105KB8NNNC
1 uF 35V
C5, C8, C9, C18
2
CL21A226MOCLRNC
22 uF 16V
C6, C20
1
GRM155R71H473KE14D
47 nF 50V
C19
2
ERJ-2RKF1003X
100kR 1%
R1, R3
1
ERJ-2RKF2212X
22.1kR 1%
R2
Show 5 more
QtyPartRefs
11
ERJ-2RKF5101X
5.1kR 1%
R4, R5, R6, R13, R15, R16, R17, R24 +3
6
ERJ-2RKF1001X
1kR 1%
R7, R8, R9, R21, R22, R23
6
RC0402JR-070RL
0R
R10, R11, R12, R14, R19, R20
1
ERJ-6ENF22R0V
22 R 1%
R18
6
ERJ-2RKF4702X
47kR 1%
R27, R28, R29, R30, R31, R32

Sensorless Coreless motor ESC SimpleFOC design files

The KiCad project lives in the Sp1kys/Sensorless_Coreless_motor_ESC_SimpleFOC repository on GitHub; these links point at the commit this page was built from.

Sensorless Coreless motor ESC SimpleFOC: common questions

What microcontroller does the Sensorless Coreless motor ESC SimpleFOC use?

The Sensorless Coreless motor ESC SimpleFOC is built around the ESP32-S3-MINI-1-N8, from the ESP32 family.

How big is the Sensorless Coreless motor ESC SimpleFOC PCB?

The Sensorless Coreless motor ESC SimpleFOC measures 39 × 40 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Sensorless Coreless motor ESC SimpleFOC?

76 components, from 25 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 Sensorless Coreless motor ESC SimpleFOC design files?

From the Sp1kys/Sensorless_Coreless_motor_ESC_SimpleFOC 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 Sensorless Coreless motor ESC SimpleFOC design in my own project?

Yes, under the terms of its MIT license, which Sp1kys chose for the repository.

Can I test firmware for the Sensorless Coreless motor ESC SimpleFOC 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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