SoyM / Esp32bot

NodeMcu-32s & ROS

Esp32bot

NodeMcu-32s & ROS.

Feature

• Reconnect WIFI automatically when the network is disconnected
• Board LED flashing when system is running
• Synchronize time from NtpServer
• Support multi WiFi and switch to available WIFI automatically
• Websocket support

Usage

• Install the current upstream Arduino IDE at the 1.8 level or later.
• Start Arduino and open Preferences window.
• Enter https://dl.espressif.com/dl/package_esp32_index.json into Additional Board Manager URLs field. You can add multiple URLs, separating them with commas.
• Open Boards Manager from Tools > Board menu and install esp32 platform (and don't forget to select your ESP32 board from Tools > Board menu after installation).
• Install dependent libraries.
• Open "Esp32bot.ino" with Arduino.

Ros

http://wiki.ros.org/rosserial_arduino

Install Ros dependence

$ sudo apt-get install ros-<your-ROS-distro>-rosserial-arduino && sudo apt-get install ros-<your-ROS-distro>-rosserial 

$ cd <sketchbook>/libraries

$ rosrun rosserial_arduino make_libraries.py .

Command

$ roscore && roslaunch rosserial_server socket.launch

Dependent libraries

• ArduinoJson at version 5.13.1
• DHT_sensor_library at version 1.3.0
• pubsubclient-2.6 at version 2.6
• HTTPClient at version 1.1
• EEPROM at version 1.0
• Adafruit_Unified_Sensor at version 1.0.2
• WiFiClientSecure at version 1.0

Development board

http://wiki.ai-thinker.com/esp32/boards/nodemcu_32s

Resouce

esp32_datasheet:

https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf

esp32_technical_reference_manual:

https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_cn.pdf

nodemcu_32s_pin:

nodemcu_32s_sch:

License

GPL V3