Wifi controlled Bot

Wifi Controlled bot that can be controlled using buttons on a mobile/desktop device.

Table of Contents

• Wifi controlled Bot
  • Table of Contents
  • Demonstration
  • About the Project
    • Tech Stack
    • File Structure
    • Data Processing
      • Supported Commands
    • How to use
      • Prerequisites
      • Installation
  • Contributors
  • Acknowledgements and Resources

Demonstration

About the Project

Tech Stack

This project uses the ESP-IDF development framework.

It uses FreeRTOS.

File Structure

.
├── CMakeLists.txt
├── Makefile
├── README.md
├── components
│   ├── sra-board-component
│   └── websocket
├── frontend
│   └── index.html
├── main
│   ├── CMakeLists.txt
│   ├── Kconfig.projbuild
│   ├── comms_websocket_server.c
│   ├── component.mk
│   ├── include
│   ├── main.c
│   └── wifi_handler.c
├── sdkconfig
└── sdkconfig.old

Data Processing

Commands are sent to the websocket on the bot attached to a websocket packet payload.

Payload format:

<command prefix><command parameter>

Supported Commands

For direction:

• R for right.
• L for left.
• F for forward.
• B for backwards.
• T for test ping.

For speed:

S<speed%>

How to use

Prerequisites

Install ESP-IDF : https://github.com/espressif/esp-idf

Installation

Clone the project

git clone https://github.com/SuperChamp234/wifi-bot-sra
cd wifi-bot-sra

Building the project

idf.py build

Flash

idf.py -p (PORT) flash monitor

and before disconnecting, configuring the wifi

idf.py menuconfig

Under the Wall-E Bot Configuration

• WIFI SSID - Set the Wifi SSID
• WIFI PASSWORD - Set wifi Password

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Contributors

• Zain Siddavatam

Acknowledgements and Resources

• SRA VJTI
• SRA Wall-E Workshop
• Special thanks to Moteen Shah
• https://github.com/espressif/esp-idf/tree/release/v4.2/examples/protocols/http_server
• https://github.com/Molorius/esp32-websocket/