HardLabs

LoRa

crnicholson·StratoSoar-MK3·PCB + Schematic/loRa/loRa.kicad_pcb

LoRa PCB layout, top view — open source ESP32 board by crnicholson

About the LoRa PCB

LoRa is an open source ESP32 PCB design by crnicholson, published on GitHub. It is a 2-layer board measuring 65.5 × 60.8 mm, with 12 components from 11 distinct parts.

Its main chip is the ESP32-DEVKIT-V1, from the ESP32 family. By type, the board carries 5 connectors, 3 resistors, 1 IC, 1 battery holder, 1 switch and 1 diode.

It belongs with the rf & radio, robotics & motion and power & battery designs in this gallery.

From the project

StratoSoar MK3, an autonomous glider meant for high-altitudes, accessible to everyone

TL:DR: The StratoSoar project is a low-cost, lightweight Unmanned Aerial Vehicle (UAV) designed for deployment from a weather balloon at various altitudes, aiming for autonomous and efficient flight to designated GPS coordinates. By offering a more affordable, compact, and lightweight alternative to conventional UAVs, StratoSoar aims to empower educators, researchers, and hobbyists with an accessible platform for exploration and experimentation.

LoRa, from the project README
From the project README

Main components on the LoRa

ESP32-DEVKIT-V1

LoRa bill of materials (BOM)

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

QtyPartRefs
1
ESP32-DEVKIT-V1
U1
1
Left
J1
1
Right
J2
1
GPS
J3
1
MPU-9250
J4
1
OLED
J7
1
3V
BT1
1
SW_SPDT
SW1
1
RED
D1
2
1.8 K
R1, R2
1
1 K
R3

LoRa design files

The KiCad project lives in the crnicholson/StratoSoar-MK3 repository on GitHub; these links point at the commit this page was built from.

LoRa: common questions

What microcontroller does the LoRa use?

The LoRa is built around the ESP32-DEVKIT-V1, from the ESP32 family.

How big is the LoRa PCB?

The LoRa measures 65.5 × 60.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LoRa?

12 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 LoRa design files?

From the crnicholson/StratoSoar-MK3 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 LoRa design in my own project?

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

Can I test firmware for the LoRa 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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