meshSides
On October 25, 2025 we hosted a Meshtastic workshop at BSidesPDX: we dubbed it meshSides ‘25. If you were there, you received this hardware kit for your cost of entry:
On this page you’ll find all the resources used for the workshop.
- 1. Introduction & Overview
- 2. Installation
- 3. Basic functionality
- 4. Telemetry
- 5. Advanced features
- 6. How to keep progressing
- Extra resources
1. Introduction & Overview
Hardware kit contents
- Heltec v3 product page
- NEO-6MV2GPS module details
- HC-SR04 ultrasonic distance sensor details
- BME-280 environmental sensor details
- A custom 3d-printed case
Surprise hardware additions
2. Installation
Flashing with esptool
- Download an appropriate ESPTool binary
- Download our event firmware binary
./esptool write_flash -e 0x0 bsides-pdx-firmware-2.6.11.bin
Source code for the custom firmware is available for perusing and pull requests.
Flashing with Web flasher
- Meshtastic Web flasher
- Follow instructions within for official firmware
Official flashing instructions are available as well.
3. Basic functionality
Meshtastic clients
4. Telemetry
5. Advanced features
To enable I2C on the sensor, short M2 by soldering it together (more details on the back of the sensor).
Antennas
6. How to keep progressing
Show and tell
- We customized an existing TC2-BBS project for BSides PDX. Connect to it on the default LongFast channel:
meshSides '25 BBSakaMS25. - Seeed T1000-e product page
- Meshtastic documentation on Remote Hardware