Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to use an ESP32-Cam as a motion ... s a 3D-printed enclosure to make the hardware assembly easy.

It’s based on a SparkFun ESP32 Thing, a very compact way ... an APDS-9930 proximity sensor, as well as four CNY70 IR proximity sensors on the bottom, used for line-following.

Temboo Inc., of New York, which touts its, Software-as-a-Service (SaaS) platform for point-and-click creation of basic IoT implementations, now offers a no-code option for building Internet-connected ...