Ingredients
tap = selectFinds
Connect an ESP32 with SDR firmware
Decoders exist once: as ingredients under Scan. Find and live video also open from every find.
Frequency calibration
Measures the ESP crystal error against LTE base stations (accurate to ±0.05 ppm) and corrects every frequency readout. Uses only the public sync signals (cell ID + frequency).
| MHz | PCI | offset | SNR |
|---|
Notifications
MQTT export
Offline
Appearance
Red night mode: all plots, the waterfall and the TV picture are drawn in red only; Look and Colours apply again in Light / Dark.
Language
Switching reloads the app. Technical terms (Wi-Fi, LTE, SNR, MS/s) stay as they are.
About
Receive-only client for the ESPsoup firmware 0.7.1 (open source fork of ESP-SDR by ESPARGOS).
Firmware: ESPsoup 0.7.1, included in the app (Device → Firmware). Open source under the GPL-3.0, a fork of ESP-SDR by ESPARGOS. Source code: github.com/pit711/espsoup-firmware
ESPsoup is a hobby project. If you like it, a small tip keeps the soup cooking: ☕ Ko-fi 💸 PayPal
Spectrum: tap to tune there, long-press for a marker, drag to tune (or pan when zoomed), pinch or Ctrl+wheel to zoom. Keys: ←/→ step, Shift ×10, a digit starts typing, Space pauses.