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Getting Started
- M5Stack Tab5
- RTL-SDR Blog V4
- USB connection from the Tab5 USB Host port to the SDR
- A suitable antenna for what you want to receive
- A Windows PC with ESP-IDF 5.5.4 to build and flash the Tab5
- Install ESP-IDF 5.5.4 and clone OrcSDR. Keep the RTL-SDR disconnected while flashing.
- Follow the repository’s Tab5 ESP-Hosted 3.0.6 migration guide. It is the current source for the matching C6 firmware, native build, and app-only flash command.
- Connect the RTL-SDR Blog V4 and antenna to the Tab5 USB Host port after the P4 application is installed.
The Tab5 C6 must use matching ESP-Hosted 3.0.6 firmware. A normal P4 application flash does not update it. PlatformIO and the Arduino IDE are not supported OrcSDR build or flash paths. The older install-orcsdr.ps1 script is for historical 2.12.6 releases, not the current 3.0.6 acceptance path.
- Power on the Tab5 and wait for Ready.
- Tap OrcSDR to arrive at Home.
- Open FM Radio.
- Use Seek + or Seek − to find a station, or enter a frequency you know.
- Raise the header volume. When you can hear the station and see a peak on the spectrum, OrcSDR is working.
Use FM Radio first. A local FM broadcast station is the quickest way to confirm the screen, SDR, audio, tuning, and spectrum all work together.
The nearest antenna is rarely ideal for every band. Use an FM antenna for FM, a 1090 MHz antenna for ADS-B, and an antenna matched to your local LoRa band for LoRa. Better placement and antenna choice usually matter more than changing settings.
Use a stable power source. After flashing, unplug the PC USB Serial/JTAG cable before regular use; leaving it attached can cause a brownout under Wi-Fi and RTL load.