saltybot_uwb_espnow_relay 0.1.0 ESP-NOW to ROS2 serial relay for SaltyBot UWB tags (Issue #618). Reads 20-byte EspNowPacket frames from an ESP32 receiver over USB serial. Publishes RANGE as UwbRange, ESTOP as std_msgs/Bool, HEARTBEAT as EspNowHeartbeat. sl-uwb Apache-2.0 rclpy std_msgs saltybot_uwb_msgs python3-serial ament_copyright ament_flake8 ament_pep257 python3-pytest ament_python