HardLabs

Mesh-Lora-Board

RichardM-1337·Mesh-Lora-Board·pcb/MeshLora.kicad_pcb

Mesh-Lora-Board layout, top view — open source ESP32 board by RichardM-1337

About the Mesh-Lora-Board

Mesh-Lora-Board is an open source ESP32 PCB design by RichardM-1337, published on GitHub under the MIT license. It is a 2-layer board measuring 27.7 × 56 mm, with 18 components from 11 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the SX1262IMLTRT and AMS1117-3.3. By type, the board carries 7 capacitors, 4 resistors, 3 ICs, 2 switches, 1 connector and 1 inductor.

It belongs with the rf & radio designs in this gallery.

From the project

This is a lora board and it's something I've never designed before so I'm attempting something new.

Mesh-Lora-Board, from the project README
From the project README

Main components on the Mesh-Lora-Board

ESP32-S3-WROOM-1SX1262IMLTRTAMS1117-3.3

Mesh-Lora-Board bill of materials (BOM)

18 components, 11 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-S3-WROOM-1
U1
1
SX1262IMLTRT
U2
1
AMS1117-3.3
U3
1
USB_C_Receptacle_USB2.0_14P
J1
2
SW_Push
SW1, SW2
1
15µH
L1
2
10uf
C1, C2
1
10 nf
C3
4
100 nf
C4, C5, C6, C7
2
5.1k
R1, R2
2
10k
R3, R4

Mesh-Lora-Board design files

The KiCad project lives in the RichardM-1337/Mesh-Lora-Board repository on GitHub; these links point at the commit this page was built from.

Mesh-Lora-Board: common questions

What microcontroller does the Mesh-Lora-Board use?

The Mesh-Lora-Board is built around the ESP32-S3-WROOM-1, from the ESP32 family.

How big is the Mesh-Lora-Board?

The Mesh-Lora-Board measures 27.7 × 56 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mesh-Lora-Board?

18 components, from 11 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 Mesh-Lora-Board design files?

From the RichardM-1337/Mesh-Lora-Board 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 Mesh-Lora-Board design in my own project?

Yes, under the terms of its MIT license, which RichardM-1337 chose for the repository.

Can I test firmware for the Mesh-Lora-Board 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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