Pedestrian’s Road Intersection Button

A pedestrian road intersection button signals to cross safely.

Overview

Pedestrian’s Road Intersection Button

This device is used to Request To Walk while road crossing on the Intersections. This Button communicate with the Traffic Controller over BLE. All the Button on the intersection communicate over Sub-1 GHz and form a network.

The following are the features of the device:

Arm Cortex-M4F Sub-1 GHz and 2.4-GHz wireless MCU

Sub-1 GHz TI15.4 Stack
BLE – Bluetooth Low Energy

Sensors

ToF – 2x Time of Flight for User Input
Accelerometer

Audio

5.6-W Class-D Mono Audio Amplifier
Microphone Input

Firmware Development

Network using Sub-1 GHz
CLI – Command Line Interface over Sub-1 GHz / BLE / UART
File Manager – Managing Audio / Config File / Firmware Images
Configuration Manager – Extraction of Configurations from Config File
Logging and Assertion
Firmware Switching or Self-Healing

Delivered Services

System Architecture

Software Development

Testing

Product Features

Arm Cortex-M4F Sub-1 GHz and 2.4-GHz Wireless MCU – Powering the device with dual-band wireless communication for reliable, long-range networking using Sub-1 GHz TI15.4 Stack and Bluetooth Low Energy (BLE).

Time of Flight (ToF) Sensors – Equipped with 2x ToF sensors to detect user input for walk requests.

Accelerometer – Ensures accurate motion detection and enhances button responsiveness.