Skip to content
No results
  • PIRHOME
  • Pirsensor News
  • Reference
  • Troubleshooting
PIRHOME
PIRHOME.com

PIR & Motion Sensor

  • PIRHOME
  • Pirsensor News
  • Reference
  • Troubleshooting
PIRHOME
PIRHOME.com

PIR & Motion Sensor

  • Reference

PIR Sensor for Smart Vending Machines

Introduction Vending machines are becoming smarter. PIR sensors play a key role in detecting approaching customers, waking up the machine, and powering down when no one is around. Applications in Vending Customer Detection When a person approaches, the machine can:…

Read MorePIR Sensor for Smart Vending Machines
  • Reference

PIR Sensor for Smart Lighting: Daylight Harvesting Integration

Introduction Smart lighting systems combine PIR occupancy sensing with daylight harvesting (adjusting light levels based on available sunlight) to maximize energy savings. This article explains the integration. What is Daylight Harvesting? Daylight harvesting automatically dims or turns off electric lights…

Read MorePIR Sensor for Smart Lighting: Daylight Harvesting Integration
  • Reference

PIR Sensor for Energy Harvesting Applications

Introduction Energy harvesting – powering devices from ambient energy (light, vibration, heat) – is becoming practical. Ultra-low power PIR sensors are key enablers for maintenance-free wireless motion sensors. The Power Challenge A typical wireless sensor must operate for years on…

Read MorePIR Sensor for Energy Harvesting Applications
  • Reference

PIR Sensor for Robotics: Obstacle Detection and Navigation

Introduction Robots often need to detect people for safety, interaction, or following. PIR sensors provide a low-cost, low-power solution for human detection in robotics applications. Applications in Robotics Human Detection for Safety When a robot detects a person nearby, it…

Read MorePIR Sensor for Robotics: Obstacle Detection and Navigation
  • Reference

PIR Sensor with I2C Interface: Digital PIR Sensors

Introduction Traditional PIR sensors output an analog voltage or a simple digital pulse. Newer digital PIR sensors integrate amplification, ADC, and digital logic, offering I2C interface for configuration and readout. Advantages of Digital PIR Sensors Programmable parameters: Sensitivity, threshold, timing…

Read MorePIR Sensor with I2C Interface: Digital PIR Sensors
  • Reference

PIR Sensor Long-Range Detection: Curtain Lenses Explained

Introduction Curtain lenses, also known as long-range or corridor lenses, are specialized Fresnel lenses that create a narrow, elongated detection pattern. They are essential for applications requiring long-distance detection. How Curtain Lenses Work Unlike wide-angle lenses that spread zones across…

Read MorePIR Sensor Long-Range Detection: Curtain Lenses Explained
  • Reference

PIR Sensor for People Counting: Techniques and Algorithms

Introduction Counting people entering and exiting a space is valuable for retail analytics, building occupancy management, and security. While cameras are common, PIR sensors offer a privacy-preserving alternative. Challenges of People Counting with PIR Single sensor cannot determine direction (entry…

Read MorePIR Sensor for People Counting: Techniques and Algorithms
  • Reference

PIR Sensor JFET Buffer Circuits: Analysis and Design

Introduction Most pyroelectric sensors include an integrated JFET (Junction Field Effect Transistor) configured as a source follower. This buffer converts the extremely high impedance of the pyroelectric element to a more manageable level and provides initial amplification. Why a JFET…

Read MorePIR Sensor JFET Buffer Circuits: Analysis and Design
  • Reference

Understanding PIR Sensor Dual-Element Design

Introduction Almost all PIR sensors use a dual-element design. This is not arbitrary – it’s essential for the sensor’s function. This article explains why two elements are better than one. The Problem with Single-Element Sensors A single pyroelectric element responds…

Read MoreUnderstanding PIR Sensor Dual-Element Design
  • Reference

PIR Sensor for Flame Detection: Principles and Applications

Introduction Pyroelectric sensors are widely used in flame detectors for industrial safety systems. Unlike motion detection, flame detection relies on sensing the characteristic flicker of flames and their spectral signature. Flame Characteristics Flames from hydrocarbon fires have two key properties…

Read MorePIR Sensor for Flame Detection: Principles and Applications
Prev
1 2 3 4 5 6 7
Next

© 2026 - Pirhome.com