This post is a review of the popular waterproof ultrasonic sensor JSN-SR04T. I hope this will serve as a backdrop for some interesting ultrasonic distance sensor experiments and projects. A number of ...

株式会社ピープルメディア マイクロファン事業部（本社：大阪市、代表取締役：硴崎薫）は、教育現場での長年の知見を凝縮した新世代教育用マイコン基板シリーズ「TRYGEAR（トライギア）」を始動。そのArduino UNO R3準拠モデルとして、3.3V, ...

While early scientists and inventors famously underestimated the value of radar, through the lens of history we can see how useful it became. Even though radar uses electromagnetic waves to detect ...