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.

Biscuit Node documentation