D.A.R.S. — Drone Awareness Relay System

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Firmware for M5Stack Unit C6L

D.A.R.S.
Drone Awareness
Relay System

Better airspace awareness for safer drone operations.

D.A.R.S. gives drone operators a complete picture of who else is flying nearby. It turns your M5Stack Unit C6L into a passive Remote ID receiver and relay — silently monitoring WiFi and Bluetooth for Remote ID signals from surrounding drones and delivering a unified feed to your companion app.

Know what's sharing your airspace before problems arise. Whether you're flying professionally, at a club field, or in complex environments, D.A.R.S. helps you operate with confidence.

What you're buying: the firmware that makes this work. The Android companion app, 3D-printable case model, and LoRa mesh (MeshCore) mode are included free as a bonus.

D.A.R.S. is independent third-party firmware and is not affiliated with, endorsed by, or produced by M5Stack Technology Co., Ltd. "M5Stack" and "Unit C6L" are trademarks of M5Stack Technology Co., Ltd.

34 €

One-time · Per device

License key by email

Works globally

What it does

Complete airspace awareness in one device

Know which drones are sharing your airspace. D.A.R.S. consolidates all nearby Remote ID signals into a single live feed on your phone.

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WiFi & Bluetooth Scanning

Passively monitors the 2.4 GHz band for Remote ID signals from nearby drones — both WiFi beacon frames and BLE advertisements, all captured simultaneously.

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Unified Feed to Your Phone

Re-broadcasts all detected Remote ID signals to your companion app via BLE, giving you a single, consolidated view of every drone in the area regardless of how it's transmitting.

Free Bonus

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LoRa Mesh (MeshCore)

Optional LORA mode turns the device into a BLE-connected LoRa mesh radio compatible with the MeshCore app. Note: LORA mode is a companion radio — Remote ID detection is inactive while in this mode. Provided as a free bonus.

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Works Everywhere

Detects drones transmitting Remote ID on 2.4 GHz WiFi and Bluetooth. Covers EU, US, JP, and World regulatory domains — take it wherever you fly.

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Instant Drone Alerts

Get alerted the moment a new drone enters the area — visual count on the OLED display and a configurable audible alert. Never be caught unaware.

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Easy Flashing

No drivers, no IDE. Open the web flasher in Chrome, plug in your device, enter your license key — firmware is flashed in under 60 seconds.

Setup

Airspace awareness in minutes

1

Purchase & receive key Complete checkout. Your license key (DARS-XXXX-XXXX-XXXX-XXXX) arrives by email immediately.
2

Open the web flasher Visit getdars.com/flasher in Chrome or Edge. No software to install.
3

Connect & flash Plug in your M5Stack Unit C6L via USB-C. Select the serial port, enter your key, accept the Terms — done.
4

Detect drones Power on. The display shows live drone count. Open the companion app to view Remote ID data and mesh messages.

Operating Modes

DARS Mode

Stealth relay — captures and re-broadcasts drone Remote ID over BLE on a custom UUID, invisible to standard Remote ID apps.

Normal Mode

Standard relay — re-broadcasts captured Remote ID messages on the ASTM F3411 standard UUID for full compatibility with off-the-shelf apps.

LORA Mode free bonus · MeshCore companion

Acts as a BLE-connected LoRa mesh radio for your phone using the MeshCore app. Remote ID detection is inactive in this mode — use DARS or Normal mode for drone awareness.

Get D.A.R.S. Firmware

Fly with confidence. D.A.R.S. gives you real-time awareness of every drone sharing your airspace. One purchase, one device — no subscriptions, no cloud dependency after activation. Updates within the same major version are included.

What you're buying

✓ D.A.R.S. Firmware (RID detection & BLE relay) ✓ DARS & Normal operating modes ✓ License key by email ✓ Free minor-version updates

Free bonuses included

✓ Android companion app (APK) ✓ 3D-printable case model ✓ LORA mode & MeshCore support

34€

one-time · per device

Processed securely by Paddle. By purchasing you agree to the Terms & Conditions.

Android app, 3D case model & LORA/MeshCore are free bonuses — see §9.10.