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iOS <-> ROS via ESP32’s BLE

Last updated at Posted at 2019-08-23

log

2019/08/30 esp32_ble_cont プログラム修正

目的

展示会場等でのWiFiが使えない環境でもロボットのROSとiPhoneで通信を行いたい。
BLEを使えばいいじゃん!

構成

スクリーンショット 2019-08-23 9.44.29.png

iPhone

screen.png

  • 開発環境:Xcode
  • 使用言語:Swift
  • GitHub:BleROSCont

ESP32

esp32.jpeg

ROS Package

スクリーンショット 2019-08-23 10.03.48.png - 開発環境:ROS melodic on ubuntu 18.04 - 使用言語:Python2 - GitHub:[esp32_ble_server](https://github.com/koki-ogura/esp32_ble_server)

技術情報

  • ESP32はBLEペリフェラルとして動作
  • アンテナ形状の違いから秋月のESP32の方が電波が良く飛ぶ
  • BLE通信はwrite without responseとnotifyを使用
  • 詳しくはそれぞれGitHubのREADMEを参照してください
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