Biscuit Expansion Node XIAO ESP32-C5 | Unsoldered Headers | Firmware Preinstalled
Biscuit Expansion Node XIAO ESP32-C5 | Unsoldered Headers | Firmware Preinstalled
Before You Order
- Required: A Biscuit Pro or Ultra running compatible firmware as the node manager. The manager device is sold separately.
- Included: One XIAO ESP32-C5 with dedicated Biscuit Node firmware installed and external antenna.
- Power: Requires a USB-C cable and USB power source, neither included.
- Compatibility: Biscuit DIY and Crumb cannot manage this node. The node does not connect directly to the phone app.
Add a Wireless Scanning Satellite
Pair the node through your primary device’s Node Management settings. A dedicated node scans assigned Wi-Fi channels or Bluetooth LE devices, one role at a time, and sends observations to its manager.
Hardware and Package
One Seeed Studio XIAO ESP32-C5 board with unsoldered pin headers and its external antenna. USB-C powered. No soldering is required for USB-powered operation; using GPIO accessories or a wired battery may require soldering.
- 2.4 GHz and 5 GHz Wi-Fi 6; Bluetooth LE
- 8 MB flash and 8 MB PSRAM
- Compact exposed development board; no enclosure, display or built-in microSD slot
- Battery, USB-C cable and USB power supply are not included
Operating Limits
Keep the node with its manager during wardriving: observations use the manager phone’s location. No onboard GPS, battery telemetry or local capture storage is provided. Firmware LED behavior varies by board; multicolor status indications are not promised.
Support
Compatibility questions: sales@stscollective.com. Setup support: support@stscollective.com.
STS Collective is an independent reseller and is not affiliated with or endorsed by Biscuit Shop. For authorized wireless research and education.
Setup guides and downloads
Download your free PDF guide for setup, power requirements, troubleshooting and documentation links. Save a copy for offline reference.
Project documentation
Use the instructions for your exact hardware and installed firmware version. Setup help: support@stscollective.com.
Original project, developer, and DIY resources
- Original project developer and source: Biscuit Shop
- DIY build and flashing: Biscuit DIY guide
These links identify the upstream project, its documentation, and available self-installation or reprogramming information. STS Collective provides prepared hardware for customers who prefer not to assemble or flash a device themselves.
Hardware, firmware, compatibility, testing, and support
- Hardware: Biscuit Expansion Node XIAO ESP32-C5 | Unsoldered Headers | Firmware Preinstalled
- Firmware: Biscuit DIY, Biscuit Expansion Node is the firmware or software path identified above. The listing states that the image is installed or preloaded.
- Compatibility: Review the hardware, power, operating system, software, accessory, and regional requirements stated above before ordering.
- Testing: This listing does not promise individual pre-shipment testing. Contact support before ordering if you need a specific verification.
- Setup and DIY: Use the project, setup, and DIY references already included in this description. Follow the guide for the exact hardware and firmware. Project or setup documentation 1
- Support: Contact support@stscollective.com for setup and product questions.
- Lawful use: Use only on hardware, networks, cards, radio bands, and systems you own or have explicit permission to test. Follow applicable laws, platform rules, privacy rules, and radio regulations. Do not access, copy, interfere with, or disrupt other people's systems.
DIY flashing option
Flashing your own compatible device is usually manageable when you follow the project guide. STS Collective provides a ready-to-use flashed device for customers who prefer convenience. You do not need to buy a flashed unit to use the project.
Use the guide for your exact board and selected firmware:
Confirm the board revision, firmware target, power requirements, and current release before flashing. Reflashing replaces the installed firmware and may erase settings.