【DIY】無線給電 アクアリムポンプの作り方 How to make a wireless pump

先日、正月休みに作った無線ポンプがTwitter上で予想上に反響があったので作り方を纏めました。 https://www.youtube.com/watch?v=1hRLY990L1I The other day, the wireless pump I made during my New Year's vacation received an unexpectedly strong response on Twitter, so I put together a li