SensComp News

Electrostatic ultrasonic sensors along a measurement track in a high school physics lab.

What to Look for When Choosing Ultrasonic Sensors for Classroom Science Products

For OEMs building motion detectors, data-collection probes, and student distance sensors, four component-level decisions determine whether the finished product survives a real classroom or comes back as a warranty return. Students never see any of it — they see the plot on the screen — but the transducer, drive electronics, and connection hardware under the housing are what separate a tool students trust from one the instructor spends half the period recalibrating. Here’s your guide to choosing ultrasonic sensors for classroom science products.

What to Look for When Choosing Ultrasonic Sensors for Classroom Science Products Read Post »

Image of a SensComp electrostatic ultrasonic sensor next to a piezoelectric ultrasonic sensor.

Applications Where Electrostatic Ultrasonic Sensors Outperform Piezoelectric Sensors

Engineers evaluating ultrasonic sensors usually start in the generic category and assume every ultrasonic device performs about the same. They do not. Electrostatic ultrasonic sensors have approximately 40 dB greater sensitivity than comparable piezoelectric ultrasonic sensors, and that margin changes what the sensor can actually do in the field: longer usable range, reliable returns off small and soft targets, and stable readings as temperature swings. This post covers the specific applications where that difference is decisive, and why piezoelectric ultrasonic sensors may fall short in each.

Applications Where Electrostatic Ultrasonic Sensors Outperform Piezoelectric Sensors Read Post »

Electrostatic Ultrasonic Sensor Arduino Kit

SensComp’s Ultrasonic Development Kit for Arduino: From Breadboard to Production BOM

A look at how R&D engineers can validate an electrostatic ultrasonic concept on an Arduino® — and carry that work toward a production design without starting the sensing layer over from scratch. Most ultrasonic prototypes start the same way: an engineer grabs whatever $3 ultrasonic module is in the parts drawer, wires it to an

SensComp’s Ultrasonic Development Kit for Arduino: From Breadboard to Production BOM Read Post »

Side-loading garbage truck using electrostatic ultrasonic sensors to pick up carts.

Safe Cart Pickup on Garbage Trucks: Why the Sensing Layer Decides Whether Automation Is an Asset or a Liability

How electrostatic ultrasonic sensing gives automated side loaders — and operator-assisted rear and front loaders — reliable distance data to support cleaner grabs, fewer collisions, and better-informed control and safety logic. A modern residential collection route is one of the most demanding sensing environments in the heavy-equipment world. An automated side loader (ASL) pulls up

Safe Cart Pickup on Garbage Trucks: Why the Sensing Layer Decides Whether Automation Is an Asset or a Liability Read Post »

Reliable Patient Presence Detection at Self-Service Health Screening Kiosks

Self-service health screening kiosks are showing up in pharmacies, employer wellness centers, urgent care lobbies, and telehealth stations. They measure blood pressure, weight, BMI, temperature, and other vitals without requiring a staff member to operate them. The concept works — until the kiosk can’t tell whether someone is actually standing in front of it. Patient

Reliable Patient Presence Detection at Self-Service Health Screening Kiosks Read Post »

Benefits of SensComp Electrostatic Transducers

Electrostatic devices have a higher sensitivity and bandwidth than piezoelectric devices. Electrostatic devices have a relatively flat response over a wide frequency range, and because they are low-resonant, have very low ring-out characteristics. Such devices have approximately 40 dB greater receive sensitivity than piezoelectric ultrasonic transducers. The increased sensitivity translates into longer-range capabilities (or lower-gain

Benefits of SensComp Electrostatic Transducers Read Post »

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