Motion Sensor Height Measurement Device | Ekarthaan 

Electronic Prototyping & Product Design

Motion Sensor Device

A compact, battery-powered medical-grade height measurement device utilizing advanced motion and distance sensors for precise, hands-free operation and instant clinical results.

100% Hands-Free/Touchless
213 cm Fixed Mounting Height
5 Sec Auto Power-Off

The Impact

Elevating Clinical Efficiency

100%

Hygienic & Touchless

Instant

LCD Readouts

High

Portability

Minimal

User Interaction

Company Revenue Estimated Additional Revenue

The Challenge

Many clinics, schools, and fitness centers require an accurate, portable device to measure a person’s height quickly and hygienically. Traditional height measurement tools are often bulky, require manual operation, and lack true portability. The client needed a compact, medical-grade device that operates automatically, provides instant results with minimal user interaction, and eliminates the hygiene concerns associated with manual measurement tools.

The Solution

Advanced Sensor Integration

Hands-Free Auto Detection

Utilizes precise motion and proximity sensors to automatically power on when a person stands underneath, and intelligently powers off five seconds after they leave.

Precision Distance Calibration

Mounts at a fixed height of 213 cm (7 ft) and uses an ultrasonic or laser distance sensor to instantly calculate the exact gap to the top of the person's head.

Portable & Efficient Enclosure

Housed in a lightweight, compact enclosure suitable for wall or tripod mounting, complete with a rechargeable battery and an advanced power-saving mode.

Outcome

We successfully designed and delivered the INSTA HEIGHT measurement device, transforming the traditional height measurement process into a fully automated, touchless experience. Through close collaboration and active client feedback, we refined the sensor types, power options, and mounting solutions. The final prototype is not only technically robust and highly accurate but also incredibly intuitive for people of all ages and technical backgrounds to use.

Analysis

Technical Breakdown

Collaborative Engineering

Developing the INSTA HEIGHT device required a deep understanding of clinical workflows and user environments. We focused heavily on optimizing the sensor logic to ensure flawless, hands-free operation without the need for manual buttons, resulting in a highly hygienic and efficient user experience.

  • Integrated ultrasonic/laser distance sensors for high-accuracy gap calculation from a fixed 213 cm mounting point.
  • Developed an automatic wake/sleep protocol to maximize the lifespan of the integrated rechargeable battery.
  • Engineered a lightweight, versatile enclosure designed for seamless mounting on both clinical walls and portable tripods.
  • Incorporated a dual-unit LCD screen to instantly display accurate measurements in both centimeters and feet/inches.

Visual Showcase

CAD Models & Prototyping

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