Wifky!
Arduinoセンサ GP2Y0E03 測距センサ
シャープ測距モジュール GP2Y0E03 （I2C ＆アナログ出力）
http://akizukidenshi.com/catalog/g/gI-07547/
http://zattouka.net/GarageHouse/micon/Arduino/DMSU/DMSU2.htm
https://blog.goo.ne.jp/mypapa8888/e/f2d62fd733ba06a8e48f1a426b6efd98
http://physics.cocolog-nifty.com/weblog/2018/06/arduino10-gpy0a.html
空中浮遊
https://www.tubefr.com/arduino.html
https://www.instructables.com/id/A-Levitating-Sphere-Rotates-Glows-and-Blinks-in-JP/
https://blog.goo.ne.jp/flute9332/d/20160513
http://blog.livedoor.jp/helloworld_since2003/archives/67134883.html
https://www.youtube.com/watch?v=JlJ4lMHhukY
https://create.arduino.cc/projecthub/jsirgado/magnet-levitation-with-arduino-eeeee4
https://www.thingiverse.com/thing:1392530
https://www.youtube.com/watch?v=QyS8gAjO6vA
