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PCB-SAMI-V2.0

Ezecarp36·Robot-Sumo-Sami·Hardware/PCB-SAMI-V2.0/PCB-SAMI-V2.0.kicad_pcb

PCB-SAMI-V2.0 layout, top view — open source ESP32 board by Ezecarp36

About the PCB-SAMI-V2.0

PCB-SAMI-V2.0 is an open source ESP32 PCB design by Ezecarp36, published on GitHub. It is a 2-layer board measuring 80 × 34 mm, with 38 components from 29 distinct parts.

Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the AMS1117-5, AMS1117-3.3 and TB67H451AFNG. By type, the board carries 17 connectors, 10 capacitors, 5 ICs, 3 resistors and 1 LED.

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

From the project

Proyecto de robot sumo para participar en la LNR 2023

Main components on the PCB-SAMI-V2.0

ESP32-WROOM-32AMS1117-5AMS1117-3.3TB67H451AFNG

PCB-SAMI-V2.0 bill of materials (BOM)

38 components, 29 distinct parts.

QtyPartRefs
1
ESP32-WROOM-32
U1
1
AMS1117-5
U2
1
AMS1117-3.3
U3
2
TB67H451AFNG
U4, U5
1
SensorAdicional_1
J1
2
LDR
J2, J7
1
QRE1113_Derecho
J3
1
IFR_DER
J4
1
NeoPixel
J5
1
SWITCH
J6
1
QRE1113_Izquierdo
J8
1
IFR_IZQ
J9
1
SensorAdicional_2
J10
1
SalidaI2C
J11
1
Bateria_6s
J12
1
Bateria_3s
J13
1
M1
J14
1
M2
J15
1
Programador
J16
1
Mounting_Hole
P2
Show 9 more
QtyPartRefs
2
SW_Push
BOOT1, EN1
1
2V
POW1
2
1n
C1, C2
4
10uF
C3, C4, C5, C6
2
100nf
C7, C10
2
100Uf/30V
C8, C9
1
1OK
R1
1
10K
R2
1
470
R4

PCB-SAMI-V2.0 design files

The KiCad project lives in the Ezecarp36/Robot-Sumo-Sami repository on GitHub; these links point at the commit this page was built from.

PCB-SAMI-V2.0: common questions

What microcontroller does the PCB-SAMI-V2.0 use?

The PCB-SAMI-V2.0 is built around the ESP32-WROOM-32, from the ESP32 family.

How big is the PCB-SAMI-V2.0?

The PCB-SAMI-V2.0 measures 80 × 34 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PCB-SAMI-V2.0?

38 components, from 29 distinct parts. The full bill of materials is listed on this page.

Where can I download the PCB-SAMI-V2.0 design files?

From the Ezecarp36/Robot-Sumo-Sami repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the PCB-SAMI-V2.0 design in my own project?

The repository has no license, so all rights stay with Ezecarp36. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the PCB-SAMI-V2.0 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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