A standalone radar visualization and sonification system that uses an RD-03D sensor connected to a XIAO ESP32-S3 to broadcast target data over Wi-Fi, received by a Linux device (e.g., Clockwork Pi uConsole) running a Pygame-based display and audio synthesis.
64
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7
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MIT
2026-07-08
Combines real-time radar tracking with dynamic audio sonar pings and a smoothed visual sweep, all running over a self-hosted Wi-Fi access point without requiring an external router.
A second, standalone output path for this project — instead of an Arduino GIGA R1 + Display Shield, the radar feed is displayed and sonified on a Clockwork Pi uConsole (or any Linux machine with Wi-Fi and audio output).
This is a hobby project, shared as-is for anyone who wants to build their own version. A few things to know before you do:
RD-03D --UART--> XIAO ESP32-S3 --Wi-Fi (AP + UDP broadcast)--> uConsole (Pygame)
The XIAO ESP32-S3 hosts its own Wi-Fi access point instead of joining one — no external router, no fixed IP configuration. It reads the radar over UART exactly as in the GIGA build, clusters targets within 1m of each other into a single point, and broadcasts the merged data over UDP. Any device connected to the AP automatically receives the stream.
| Value | |
|---|---|
| SSID | RadarNet |
| Password | radar12345 |
| Mode | XIAO hosts the AP (not a client) |
| UDP port | 4210 |
| Destination | broadcast (192.168.4.255) |
Same RD-03D wiring as the standalone single-sensor build:
| RD-03D | XIAO ESP32-S3 |
|---|
Took the tracker off the Arduino display and put it on a full Linux handheld instead
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