OrcSDR v0.1.0

OrcSDR v0.1.0

First public release of OrcSDR.

OrcSDR turns the ESP32-P4 / M5Stack Tab5 into a standalone
software-defined radio using an RTL-SDR Blog V4 directly over USB Host.

Highlights

• M5Stack Tab5 reference application
• Direct RTL-SDR Blog V4 USB Host operation
• Live spectrum and waterfall
• Touchscreen frequency tuning
• FM and AM radio
• Weather Radio / WX
• CB radio interface
• VHF / amateur-radio spectrum browsing
• LoRa monitoring tools
• Speaker audio and volume controls
• IQ capture and analysis tooling
• RTL-SDRv4-ESP reusable ESP-IDF component

Hardware

Tested reference configuration:

• M5Stack Tab5 / ESP32-P4
• RTL-SDR Blog V4
• USB Host connection

Status

This is an early development release.

🚀 Build & Flash to M5Stack Tab5

Requirements

• M5Stack Tab5
• RTL-SDR Blog V4
• PlatformIO
• Python 3.10–3.13

1. Clone

git clone https://github.com/hardcoreerik/OrcSDR.git
cd OrcSDR/apps/orcsdr-tab5

2. Find your Tab5 port

Connect the Tab5 to your computer over USB, then run:

pio device list

Note the port assigned to the Tab5, for example COM8.

3. Build

pio run -e m5tab5_ui

4. Flash

Replace COMxx with your Tab5 port:

pio run -e m5tab5_ui -t upload --upload-port COMxx

Example:

pio run -e m5tab5_ui -t upload --upload-port COM8

Tip

After flashing, connect the RTL-SDR Blog V4 to the Tab5 USB Host port and power-cycle the Tab5 if needed.

Feedback, hardware testing, bug reports, and contributions are welcome.