[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus ...

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

The proximity sensor industry is projected to grow from USD 4.3 billion in 2024 and is estimated to reach USD 6.6 billion by 2030; it is expected to grow at a Compound Annual Growth Rate (CAGR) of 7.5 ...

High Precision: Conamara’s flat frequency response throughout the ultrasonic range enables accurate ranging and proximity detection. Compact and Energy-Efficient: At 5mm ⌀ and 1.5mm thick ...