ESP32 spins an HC-SR04 on a stepper to create a continuous 360° ultrasonic radar. Angle and distance pairs are streamed over TCP to a Processing UI that plots a live radar on a PC. ESP32 runs ...
Halloween is right around the corner and just about every Halloween project needs some kind of motion sensor. Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to use an ...
Samir Makwana is a technology journalist and editor from India since past 18 years and his work appears on MakeUseOf, HowToGeek, GSMArena, BGR, GuidingTech, The Inquisitr, TechInAsia, TechWiser, and ...
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