LakeShark Firmware Transforms LilyGO T-Display P4 into a Portable SDR Scanner

Innovative Use of LakeShark Firmware

Developed by Samuel Reynolds, known as SAMS0N1TE, the LakeShark firmware has successfully transformed the LilyGO T-Display P4, which is based on the ESP32-P4 microcontroller, into a compact handheld SDR scanner. This innovative solution allows users to decode various signals without the need for additional hardware like a PC or smartphone.

When paired with RTL-SDR Blog V3 or V4 dongles, the device supports multiple functionalities including P25 Phase I trunking, analog FM/AM, and POCSAG pager decoding. Additionally, it can receive 1090 MHz ADS-B signals directly on the device. The built-in SX1262 chip enhances its capabilities further by supporting LoRa and MeshCore applications, making it a versatile tool for enthusiasts and professionals alike.

This development highlights the potential of powerful microcontrollers in performing complex SDR tasks, traditionally reliant on more extensive systems. The LakeShark firmware capitalizes on the LilyGO T-Display P4's existing hardware, which includes a GPS receiver for location tracking and Wi-Fi/Bluetooth connectivity, showcasing the future of portable SDR technology.

Source: CNX Software – Embedded Systems News (https://www.cnx-software.com/2026/10/01/lakeshark-firmware-turns-lilygo-t-display-p4-into-a-handheld-esp32-p4-sdr-scanner/)