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Custom sensors change how we do things every day. People use them in smart homes to save energy and stay safe. In healthcare, these sensors watch patients and help doctors give better care. Transportation systems use force sensing to see if seats are taken and to control traffic. Environmental monitoring uses remote sensing and spatial data to check air quality and how we use resources. SOUSHINE is a leader with its force sensing resistor, which works for many things in medicine, building management, and stopping leaks in utilities.
Table of Contents
Key Takeaways
Custom sensors are made for special jobs. This makes them work better than regular sensors. In smart homes, custom sensors help save energy. They change heating and lights based on how people use them. Healthcare uses custom sensors to watch patients all the time. They help find health problems early. Transportation systems use sensors to make things safer. They check if seats are full and watch how drivers act. Custom sensors help check the environment. They give real-time data about air quality and how we use resources. Factories and farms use custom sensors to work better and spend less money. When custom sensors work with IoT and AI, decisions get smarter. This also helps things run better. As technology gets better, custom sensors will help us more. They will make life better and help the planet.
Custom Sensors
Overview
Custom sensors are very important in many fields. They are not the same as standard sensors for a few reasons:
- Design: Custom sensors are made for special jobs. Standard sensors are for basic tasks.
- Functionality: Custom sensors work better for certain things. Standard sensors can do many jobs but not all well.
- Adaptability: Custom sensors can be changed to fit products. This helps companies use them in their own way.
Design
SOUSHINE’s Force Sensing Resistors (FSRs) show how custom sensors are used. The table below shows the main parts and what they do:
| Component | Description |
|---|---|
| Flexible Substrate | Thin layer with two circuit parts that do not touch. |
| Spacer | Keeps the circuit and the conductive layer apart. |
| Conductive Substrate | Has special ink that changes when pressed. |
| Operational Principle | Resistance goes down when pressed, so the sensor can measure force. |
This design lets FSRs go into many products. Car makers use them to check if a seat is taken. Hospitals use them to watch patient pressure. Robots use them to feel touch. Electronics makers use them to make devices respond better. Factories use them to help machines work right. Aerospace companies use them in hard places.
Performance
Custom sensors like SOUSHINE’s FSRs give steady and correct results. They work well in cars and hospitals. Their design helps them last long and use less power.
Pros and Cons
Advantages
Custom sensors have many good points:
- They fit into systems without trouble.
- They can change to fit new machines.
- They help companies save money over time.
Challenges
Custom sensors also have some problems:
| Aspect | Custom Sensors | Off-the-Shelf Sensors |
|---|---|---|
| Up-front Cost | Cost more at first | Cost less at first |
| Recurring Costs | Give more control over costs | Cost more over time |
| Team Requirement | Need a bigger team | Need a smaller team |
Custom sensors may take more time and people to make and test. They may not work for every job without changes. Still, many companies pick them for their special fit and long-term value.
Everyday Impact
Smart Homes
Energy
Smart homes use custom sensors to help save energy. These sensors watch how much power people use at home. They send this information to building systems. The systems change heating, cooling, and lights to use less energy. Studies show that smart controls and sensors help homes use less power. Smart windows and shades change with sunlight and where people are. This makes homes more comfortable and helps families spend less money.
Security
Sensors in smart homes help keep people safe every day. Door and window sensors tell owners if someone opens them. Motion sensors watch for movement in rooms. Smoke and gas sensors warn families about danger. These sensors work with alarms and cameras. Owners get alerts on their phones right away. This helps them act fast and protect their homes.
Comfort
Custom sensors help make homes more comfortable for everyone. Temperature sensors keep rooms warm or cool. Light sensors change how bright a room is. Humidity sensors help control air moisture. Smart systems use sensor data to change settings. People feel better at home because the systems respond to their needs.
Health
Wearables
Wearable devices use custom sensors to track health every day. SOUSHINE’s Force Sensing Resistors (FSRs) help these devices watch heart rate, movement, and pressure. The table below shows how SOUSHINE FSRs help health wearables:
| Contribution | Description |
|---|---|
| Continuous Monitoring | SOUSHINE FSRs let devices watch patients all the time. |
| Early Detection | Sensors help find health problems early. |
| Improved Patient Comfort | SOUSHINE sensors are easy to wear for a long time. |
| Faster Response | Sensors can predict health issues before they get worse. |
| Enhanced Safety | Hospitals use these sensors to keep patients safe. |
Monitoring
Hospitals use custom sensors to watch patients closely. These sensors track heart rate, breathing, and movement. Nurses and doctors get alerts if something changes. SOUSHINE FSRs help hospitals collect data quickly. This helps staff act fast and keep patients safe. Sensors also help doctors see patterns in health data. They use this information to make better choices for patient care.
Transportation
Safety
Custom sensors help make transportation safer for everyone. They watch seat occupancy in cars and buses. Sensors check if people wear seat belts. They also track how hard drivers press pedals. These sensors help cars respond to danger. Traffic systems use sensors to watch for crashes. Data shows that sensors help find crashes faster and reduce accidents.
- Sensors collect vehicle data for safety studies.
- They monitor speeding and help find risky roads.
- Systems keep data for years to check if safety improves.
Traffic
Sensors help cities manage traffic every day. They count cars and watch how fast they move. Systems use this data to change traffic lights and signs. Real-time data helps cities fix problems like traffic jams. Studies show that sensors help reduce traffic jams and make roads safer.
- Sensors give real-time and past data on speed and travel time.
- They show patterns that affect traffic flow.
- Crash detection systems find accidents quickly and help emergency teams respond.
- Cities report fewer secondary crashes after using sensor-based monitoring.
Environment
Air Quality
Custom sensors let people check air quality right away. Cities use them to gather pollution data and share it with everyone. SOUSHINE’s Force Sensing Resistors work in air stations and portable monitors. These sensors give new updates every few seconds. People can find out if the air is safe to breathe.
Sensors help cities stop air problems before they get worse.
Many groups use custom sensors to check air in many places. Schools, parks, and factories all use these sensors. The sensors show where pollution is high and help leaders make good choices. Scientists and city workers use this data together.
| Advancement Type | Impact on Monitoring |
|---|---|
| Real-time Data Collection | Gives updates on air and water quality all the time |
| Enhanced Spatial Accuracy | Shows data for each place to help check better |
| Improved Temporal Resolution | Helps see changes in the environment as they happen |
| Cost Reduction | Makes monitoring cheaper for more people |
Custom sensors cost less than old air monitors. This means more places can use them. People get data for their street, not just the city center.
Resource Management
Custom sensors help people watch water, energy, and other resources. Farms use sensors to check soil moisture and water only when needed. Factories use sensors to watch water use and stop leaks. SOUSHINE FSRs help by measuring pressure and flow.
- Cities use sensor data to plan better.
- Scientists and regulators work together to protect resources.
- Sensors help people act before problems get bigger.
Custom sensors give updates all day and night. This helps people see changes fast. They can fix leaks or change water use quickly. Cheaper sensors let more people join in. Farms, cities, and companies all use these tools to save money and help the environment.
- People now use cheaper sensors instead of expensive monitors.
- Sensors give real-time data for each place.
- Many groups work together to solve problems early.
Custom sensors help everyone use resources wisely. They make it easy to spot problems and fix them fast.
Industry Applications
Manufacturing
Automation
Factories use custom sensors to help machines work alone. SOUSHINE Force Sensing Resistors (FSRs) let robots feel pressure and move safely. These sensors help machines pick up and sort things without people. Many companies use sensors to check if products are made right. Balluff and Tekscan also make sensors for automation. SOUSHINE FSRs are special because they fit unique needs and give fast data.
| Application | Benefits |
|---|---|
| Predictive Maintenance | More machines work, less money spent, smoother work, safer jobs |
| Quality Control Monitoring | Finds problems fast, gives steady data, tracks products better |
| Machine Vision Inspection Systems | Fewer mistakes, same quality, faster work |
| Integration with Industry 4.0 | Shares data fast, lets machines work alone, better device talk |
Maintenance
Sensors help workers fix machines before they break down. SOUSHINE FSRs measure force and pressure in moving parts. Workers spot problems early and stop big breakdowns. CST and Tekscan sensors help with repairs too. SOUSHINE sensors can also find weight and if a child is present, which is rare.
Agriculture
Precision
Farmers use custom sensors to check soil and crops. SOUSHINE FSRs measure pressure in watering systems. Sensors help farmers water only when needed. Tekscan and Balluff sensors help map soil and check crop health.
| Application | Outcome |
|---|---|
| Crop health monitoring | Finds plant stress early, checks crop health better |
| Nutrient stress assessment | Targets problems, uses resources better |
| Soil property mapping | Helps with precise farming, gives more details |
| Yield estimation | Predicts harvest amounts better |
| Contaminant detection | Maps dirty spots for less money |
Monitoring
Sensors watch crops all day and night. Farmers see changes in soil and plants right away. SOUSHINE FSRs give fast updates. This helps farmers act quickly and save water and other resources.
Retail
Shopping
Stores use sensors to make shopping easier for everyone. RFID tags let people check out just by walking through a scanner. Smart shelves use cameras to see when products are low and tell workers to restock. SOUSHINE FSRs help smart displays react to touch, making shopping more fun.
- Smart shelves watch products and tell workers to restock.
- Smart displays change prices and tips when customers touch them.
Inventory
Sensors help stores keep track of products. RFID gives fast updates and helps stop empty shelves. Balluff and CST have inventory tools, but SOUSHINE FSRs fit special needs and give fast data.
| Application | Description |
|---|---|
| Inventory Management | RFID tracks products, stops empty shelves, makes counting easy |
| Checkout Process | RFID makes checkout fast, less waiting, better shopping |
SOUSHINE FSRs are special because they fit well and can find weight. Other brands like CST, Tekscan, and Balluff have good tools too. SOUSHINE sensors give more choices for fast data and special uses.
Sensor Technologies
Flexible Sensors
Flexible sensors are made from materials that can bend. They can also stretch and move with things. These sensors fit on curved surfaces and move with them. Wearable devices and robots use flexible sensors to feel touch and pressure. SOUSHINE’s Force Sensing Resistors (FSRs) are in this group. They help smart devices measure force right away.
Flexible sensors are different from traditional sensors in many ways:
| Characteristic/Advancement | Flexible Sensors | Traditional Sensors |
|---|---|---|
| Material | Flexible materials | Rigid materials |
| Adaptability | High | Low |
| Applications | Wearable tech, electronic skin, aerospace | Limited to specific environments |
| Measurement Conditions | Special environments | Standard conditions |
| Integration | Cross-integration with various fields | Limited integration capabilities |
| Challenges | Technical maturity, cost, service life | High temperature limitations, stress issues |
- Flexible force sensors are light and very thin.
- They can stretch and fit many shapes.
- They stick to curved surfaces without trouble.
- They work well in wearables and robot hands.
Flexible sensors help people watch health and control machines. They also make things safer. SOUSHINE FSRs show how flexible sensors can be used for many things.
Graphene Sensors
Graphene sensors use a thin layer of carbon atoms. This makes the sensor very sensitive and quick to react. Many industries use graphene sensors because they collect data fast and use little energy.
| Unique Properties | Industries Adopting Rapidly |
|---|---|
| High sensitivity | Healthcare |
| Rapid response times | Environmental monitoring |
| Ability to operate at lower power | Industrial process control |
| Miniaturization | Food safety |
| Real-time data collection | Structural health monitoring |
Healthcare uses graphene sensors to find diseases. Factories use them to watch machines. Food companies use them to check if food is safe. These sensors help people get data right away and make fast choices.
Terahertz Sensors
Terahertz sensors use waves between microwaves and infrared light. These sensors let people see inside things without opening them. Factories use terahertz sensors to check plastics and coatings. They help control quality and cut down on waste.
- Terahertz sensors test plastics and plastic items.
- They help with checking quality in factories.
- They help check medicine quality.
- They work in imaging and spectroscopy.
- They help with research and security.
- They check plastics and measure paint layers.
- They watch water levels in research and industry.
Terahertz sensors give clear pictures and data. They help many industries make things safer and better.
mmWave Sensors
mmWave sensors use radio waves between 30 and 300 GHz. These sensors help devices see movement and measure distance. They also watch vital signs in people. Many smart home devices and cars use mmWave sensors. This makes homes safer and cars easier to use. Factories use these sensors to follow objects and control machines.
Hospitals use mmWave sensors for medical pictures. Doctors can look inside the body without cutting it open. These sensors help doctors find health problems early. They also give fast and clear pictures to help patients.
The table below lists how well mmWave sensors work:
| Performance Metric | Description |
|---|---|
| Detection Accuracy | Makes diagnosis better by up to 30% for some health problems |
| Operational Efficiency | Helps doctors work faster and helps patients get better |
| Imaging Capabilities | Gives sharp images for early finding and diagnosis |
mmWave sensors work in many places. They help cars stop crashes. They help smart homes know when someone walks in. Robots use them to move safely.
Fiber-Optic Sensors
Fiber-optic sensors use thin glass fibers to send light. These sensors measure heat, stretching, and shaking. Many industries use fiber-optic sensors for real-time and exact data.
Engineers put fiber-optic sensors in bridges and buildings. The sensors watch for changes and send warnings if something is wrong. Cities use these sensors to watch traffic and water or power lines. Factories use them to find leaks fast.
The table below shows how fiber-optic sensors help different jobs:
| Advantage/Application | Description |
|---|---|
| Real-Time Monitoring | Gives nonstop data for quick feedback in checking buildings |
| High Precision | Finds tiny changes in heat, stretching, and shaking |
| Infrastructure Monitoring | Watches bridges and buildings to keep them safe |
| Leak Detection | Finds leaks by sensing changes in heat or pressure |
| Seismic Activity | Uses sound sensing to find shaking and warn about earthquakes |
| Smart Cities | Helps cities watch traffic and manage water and power |
Fiber-optic sensors work in tough places. They help keep buildings safe. They also help cities work better.
Piezoelectric Sensors
Piezoelectric sensors turn force into electric signals. Many industries use these sensors to measure pressure and shaking. Engineers put piezoelectric sensors in buildings to watch for stress and damage.
Doctors use piezoelectric sensors in wearable devices. These sensors track heartbeats and movement. They give health data right away. Some devices use these sensors to make power from movement. This power runs small devices.
Piezoelectric sensors also help stop noise. They measure shaking and make signals to block bad sounds.
Here are main ways to use piezoelectric sensors:
- Smart building checks help find problems in bridges and buildings.
- Wearable health checks track body signs without hurting people.
- Energy harvesting uses shaking to power small devices.
- Noise canceling cuts bad sounds by measuring and blocking shaking.
Piezoelectric sensors help make devices smarter and safer. They help people watch health, save energy, and protect buildings.
Topolectrical Sensors
Topolectrical sensors use special circuits to measure changes around them. Scientists study non-Hermitian topological sensors for better detection. These sensors work based on circuit size and how parts connect. Engineers use critical size scaling to make sensors work better. Saturation phenomena also help improve sensor performance. The way terminals connect affects how well sensors find changes.
| Aspect | Description |
|---|---|
| Current Development | Scientists explore non-Hermitian topological sensors for sensitive detection. |
| Key Mechanisms | Critical size scaling and saturation phenomena depend on topology and terminal coupling direction. |
| Potential Applications | Photonics, quantum computing, and other fields use topolectrical circuits for their strength and sensitivity. |
Researchers think topolectrical sensors will help in photonics and quantum computing. These sensors work well in tough places and give correct results. Their design helps them stay strong when things change fast.
Quantum Sensors
Quantum sensors use tiny particles to measure things very accurately. Hospitals use quantum sensors to make medical images better. Defense teams use quantum sensors for safer communication and navigation. Navigation systems use quantum sensors to make GPS more exact. Car makers use quantum accelerometers for better motion sensing. Farmers use quantum sensors to help with precise farming.
| Industry | Impact on Measurement Accuracy |
|---|---|
| Healthcare | Quantum sensors make medical imaging more accurate than old methods. |
| Defense | Quantum sensors are needed for better navigation and safer communication. |
| Navigation | Quantum sensors can make GPS 100 times more accurate. |
| Automotive | Quantum accelerometers change how cars sense movement and position. |
| Agriculture | Quantum sensors help farmers with more exact farming. |
- Quantum magnetometers may make up over 40% of industry money.
- Medical imaging could be 20% of quantum sensor uses by 2030.
- Quantum accelerometer sales may go over $250 million by 2030.
Quantum sensors help many jobs get better data. Their accuracy changes how people measure and control things.
Microneedle Wearables
Microneedle wearable sensors use tiny needles to collect data from skin. These patches check glucose, lactate, and pH right away. Hospitals use microneedle patches to give instant health updates. People can see their health without going to the doctor often. Some patches use CRISPR-Cas9 to watch genetic markers. This helps doctors find diseases early and track them over time.
| Advancement | Description | Impact on Healthcare Monitoring |
|---|---|---|
| Microneedle Patches | Real-time checks of glucose, lactate, and pH in skin fluid. | Gives instant health info and means fewer hospital visits. |
| CRISPR-Cas9 Technology | Watches genetic markers with microneedle patches all the time. | Helps find diseases early and manage health better. |
Microneedle wearables make healthcare more personal for everyone. They help people and doctors act fast when health changes. These sensors show how new technology can make life better.
Neuromorphic Chips
Neuromorphic chips are changing how sensors work. These chips copy how the human brain works. They process information fast and use little energy. Engineers put neuromorphic chips in new sensor systems.
Neuromorphic chips help sensors learn from their surroundings. They can handle data as soon as it comes in. This quick processing lets devices react right away. For example, a robot with a neuromorphic chip can feel touch and move its arm fast. This makes robots safer and more helpful at work and home.
Many industries use neuromorphic chips in their sensors. These chips help in robots, smart cities, and health devices. They also work well in farming and factories. Neuromorphic chips help sensors do these things:
- They handle sensory data right away.
- They use less energy than normal chips.
- They help robots and machines learn from new data.
- They support smart city systems that watch traffic and air.
- They make wearable health monitors smarter.
- They help with fixing machines before they break.
- They help sensors in farming check soil and crops.
SOUSHINE’s Force Sensing Resistors (FSRs) work well with neuromorphic chips. FSRs measure force and pressure. When used with neuromorphic chips, they help devices learn and change. For example, a wearable device with an FSR and a neuromorphic chip can track movement and change its feedback. This helps people stay healthy and safe.
Neuromorphic chips also help the Internet of Things (IoT). Many smart devices connect in homes and cities. Neuromorphic chips let these devices share and handle data fast. This makes smart homes and cities work better.
The table below shows how neuromorphic chips help sensor uses:
| Application Area | Benefit from Neuromorphic Chips |
|---|---|
| Robotics | Fast response and learning |
| Smart Cities | Real-time data for traffic and air |
| Wearable Health Devices | Smarter tracking and feedback |
| Factories | Predictive maintenance |
| Agriculture | Better crop and soil monitoring |
Neuromorphic chips will keep changing sensors. They help devices use less energy and react faster. As more devices use these chips, people will see smarter and safer technology every day.
Integration and Challenges
IoT and AI
Data
Custom sensors now work with the Internet of Things (IoT) and artificial intelligence (AI). These sensors send data through Wi-Fi, Bluetooth, or cellular networks. Real-time data helps many jobs get better results. Hospitals use sensors to watch patient health. Farms use sensors to check soil and crops. Factories use sensors to watch machines and products. The table below shows how sensors work with IoT and AI:
| Aspect | Description |
|---|---|
| Enhanced connectivity | Sensors use wireless networks to share data fast. |
| Data analytics | Sensors use tools to give helpful insights. |
| Interoperability | Different sensors can work together in one system. |
| Miniaturization | Small sensors fit into wearables and smart devices. |
| Security concerns | More connections can mean more risks for data safety. |
| Industry transformation | Sensors help healthcare, farming, factories, and cities get better. |
| AI-driven capabilities | AI helps sensors process data and predict problems. |
Decision-Making
AI uses sensor data to make quick choices. A smart home can change the temperature when someone enters a room. In factories, AI can spot machine problems before they get worse. Fast decisions save time and money. They also make places safer and more comfortable.
Privacy
Security
Sensors collect lots of personal and sensitive data. This can cause privacy risks. Many devices use different systems, so security is harder. Some sensors have low power and cannot use strong security tools. Companies use several ways to protect data:
- Strong encryption keeps data safe when it moves.
- Better user authentication checks who can see the data.
- Strict access controls limit who can view or change information.
- Companies follow privacy rules to protect users.
Manufacturers who handle money or health data must keep systems secure. This builds trust and keeps users safe.
Ethics
People want to know how their data is used. Companies must tell users what data they collect and why. Users should have control over their own information. Good ethics help build trust between companies and users.
Accessibility
Cost
Some things stop people from using custom sensors. High costs make it hard for some groups to buy them. Complex steps in making sensors also raise prices. Some sensors use expensive materials, which limits their use in places where price matters most.
| Barrier Type | Description |
|---|---|
| High Product Costs | Advanced sensors cost more and slow adoption. |
| Complexity in Manufacturing | Harder steps mean higher prices. |
| Use of Expensive Materials | Costly parts make sensors less available to everyone. |
Usability
Sensors need to be easy to use. Simple designs help more people use them. Clear instructions and easy setup make sensors more useful at home, school, and work. When sensors are easy to use, more people can enjoy their features.
Future Trends
Emerging Trends
Next-Gen Sensors
Sensor technology keeps getting better. New sensors use less energy and can send data far. LPWAN lets sensors share data from far away without using much power. Many sensors now work with artificial intelligence. AI helps sensors find problems fast and process data quickly. Biosensors in healthcare can find signs of diseases like diabetes and cancer. These sensors help doctors check patients more often and faster. In factories, sensors use ultrasound and lasers to help machines work better. Food companies use biosensors to check if food is safe and fresh.
SOUSHINE keeps making new sensor designs. The company tests each sensor to make sure it works well and lasts long.
Expanding Applications
Sensors now help in more places than before. Hospitals use sensors to watch patient health and remind people to take medicine. Cities use sensors to check air and water quality. Farms use sensors to check soil and water crops only when needed. Stores use sensors to track products and help customers shop faster. More devices can now share data and work together because of IoT. AI systems help sensors learn from data and make better choices. These changes make sensors useful in many new ways.
- Healthcare: Sensors help doctors and nurses watch patients and find health problems early.
- Environmental Monitoring: Sensors find pollution and help keep air and water clean.
- Food Safety: Sensors check food for germs and spoilage.
Societal Impact
Everyday Life
Sensors now change how people live each day. People use them in smart homes to control lights and temperature. Fitness trackers use sensors to count steps and check heart rate. These tools help people stay healthy and save energy. In cars, sensors warn drivers about danger and help keep them safe. The table below shows how sensors help different parts of life:
| Application Area | Societal Impact |
|---|---|
| Healthcare | Better medicine reminders and health checks |
| Manufacturing | Machines work better and faster |
| Daily Life | Easier routines and better comfort |
Economic Effects
Sensors help companies save money and work better. Factories use sensors to spot problems before machines break. This lowers repair costs and keeps work moving. Farms use sensors to water crops only when needed, saving water and money. Stores use sensors to keep shelves stocked and help customers find what they need. More industries use sensors, so new jobs are created and the economy grows.
SOUSHINE keeps working on quality and new ideas. The company helps customers with strong products and good service. As technology grows, custom sensors will help people and businesses in many ways.
Custom sensors help people and businesses every day. SOUSHINE and Force Sensing Resistors (FSRs) are known for new ideas and being flexible. The table below lists how they help:
| Application Area | Benefits |
|---|---|
| Automation | Better control and safer machines |
| Healthcare | Watch patients more closely |
| Robotics | Sensors give more correct results |
| Wearable Devices | Products are safer and smarter |
| Customization | Sensors fit special needs |
New changes will keep making sensors better:
- Health sensors help older people stay healthy.
- IoT and AI let sensors do more things.
- Saving energy helps the planet.
People will see more changes as technology keeps growing.
FAQ
What is a custom sensor?
A custom sensor is made for a special job. It measures things like force or temperature. Companies design these sensors for certain products or needs.
How do SOUSHINE Force Sensing Resistors (FSRs) work?
SOUSHINE FSRs change resistance when force is applied. The sensor sends a signal to show the amount of force. Devices use this to measure touch or pressure.
Where do people use custom sensors most often?
People use custom sensors in smart homes and hospitals. They are also used in cars, factories, and farms. These sensors help control machines and watch health. They save energy and keep people safe.
What makes custom sensors different from regular sensors?
Custom sensors fit special needs and can change shape or size. They can also change how they work. Regular sensors have one design for many uses. Custom sensors give better results for certain jobs.
Are custom sensors expensive?
Custom sensors may cost more at first. They can save money over time by working better and lasting longer. Companies pick them for their special fit.
Can custom sensors help save energy?
Yes. Custom sensors help control lights and heating. They also help control machines. They turn things off when not needed. This helps homes and businesses use less energy.
How do sensors keep data safe?
Sensors use strong codes to protect data. Companies set rules for who can see or use information. Good security keeps personal data safe.