Below is the list of some interesting projects using arduino nano. Everything emits some low level of radiation, the hotter the object is, the more radiation is emitted. A simple device that allows users to wave their hand and control Any device they want. Connections are shown in fritzing circuit diagram on the left. Ces capteurs n’émettent rien (d’ou le passive dans le nom), mais au contraire captent les rayonnement infrarouge émis les êtres vivants à sang chaud passant dans le champ de détection du capteur. What is a PIR sensor?PIR or "Passive Infra-Red" sensor is a "Pyroelectric IR Sensor" which generates energy when exposed to heat. You can replace the LED with a Buzzer (to raise an alarm when an object is detected) or a Relay to drive a high voltage circuit.To learn more about relays please have a look at my tutorial Number 4 - "Driving a Relay with an Arduino". Just before creating my next projects tutorial, which will be using a PIR sensor, I thought I might create a separate tutorial explaining the working of a PIR sensor. Une led 5mm Et c’est tout. PIR Motion Controlled Relay Using Arduino Nano! Un arduino (ici un Uno) 2. An LDR sensor (Light Dependent Resistor) is a device that is used to detect light. Je pouvais me contenter du moniteur série. I am going to walk in front of the it to activate the sensor. I have a couple of PIR motion sensors in my Arduino Arsenal. Then to test the duration walk in front of the sensor and then walk away and use a stopwatch to find out how long the LED stayed on. In this project we are going to use an Arduino Uno R3 Board, P.I.R Sensor module, LCD and some other components. The lamp & the buzzer turns on when it’s dark & movement is detected. http://helpdesk.txplore.com/support/solutions/articles/35000024880-how-to-calibrate-your-pir-infrared-sensor-, LED Matrix + Motion Sensor Door Display [Arduino Holiday], Arduino Nano and Visuino: Infrared Remote Controlled Relay, Complete Digital Clock Including Alarm and Motion Sensor, Spot Welder Controlled with an Arduino Nano. Move back and forward to find out the sensing the range. Using PIR Motion Sensor in Arduino with Source Code. This code can also be used to control simple relays to turn a bigger light on or off. No doubt the PIR Sensor is used in thousands of projects throughout the world for security purposes and loads automation. Basically, the PIR motion sensor measures infrared light from objects in its field of view. I have a couple of PIR motion sensors in my Arduino Arsenal. Connecting PIR sensors to a microcontroller is really simple. Arduino, LCD display 16X2, PIR sensor, Potentiometer (For adjusting contrast of LCD), Resistors, Breadboard, Jumper Wire, LED. 1 x Arduino Nano/UNO (Whatever is handy) 1 x PIR Sensor; 1 x LED and a 220 ohm current limiting resistor to test the connectivity ; Few connecting cables; A USB cable to upload the code to the Arduino; General Soldering Equipment; Step 3: Architecture. PIR Motion Sensor with Arduino Video tutorial. Connect GND with GND on Arduino. I'm powering it trough a pealed usb cable with a portatile charger, an the ngative connected to a negative port of the arduino, but it wasn't necessary. I myself have used this Sensor in so many projects which you can find in the related projects section. It is ideal to detect if a human has moved in or out of the sensor range. using HC-SR501 PIR Sensor example code, circuit, pinout library PIR Motion Sensor With Arduino in Tinkercad: Let's learn to sense movement in a room with a PIR motion sensor and Arduino's digital input. Success, everything worked the way I wanted.Thanks again for watching this video! This project combines the WS2812B RGB LED matrix and PIR motion sensor to greet visitors with a text. This project was actually built before my Motion Activated Door Display aka. Tada, the LED just turned on after detecting my presence. copyrights: www.studentsheart.com */ const int IRSensor=4; void setup() { // initialize the digital pin as an output. This Gadget helps you to protect your house from thieves. The PIR acts as a digital output, it can be high voltage or low voltage, so all you need to do is listen for the pin to flip high (detected) or low (not detected) by listening on a digital input on your Arduino . HC-SR501 PIR sensor Arduino connection The Arduino can check whether the output is high or low and execute operations like activate the security alarm circuit, send an alert by any RF modules, make emergency calls with the GSM system, etc. Automate Lights of Basement, Garden or Covered Parking Areas, Automate Lift Lobby or Common Staircases Lights, Detect Presence of Human and Raise an Alarm. There is a tiny window made of IR-transmissive material to allow the IR signals to reach the sensor. Support de cours initiation à Arduino IR Sensor, document à télécharger gratuitement sous format PDF, dans ce tutoriel vous allez découvrir comment tester le fonctionnement de votre IR sensor, read raw IR codes into a microcontroller, create a camera intervalometer et listen for commands from a remote control on your microcontroller. Je vous retrouverai la source officiel qui ajoute au mouvement détecté, l’allumage d’une LED. Project tutorial by Arduino “having11” Guy. The PIR motion sensor is ideal to detect movement. The Top consist of a specially designed 'High-Density Polythene' cover called "Fresnel Lens". PIR Sensor Module Pin Diagram. I have used 2.2K ohms resistor for LCD backlight. Now, connect the LED along with a 220 ohm resistor to the D2 pin of the Arduino. HC-SR501 PIR motion sensor with Arduino UNO example code With the following example code, you can read out the sensor and control the on-board LED of the Arduino (connected to pin 13). Passive Infrared Sensor ( Motion Sensor) PIR Motion Sensor is a highly integrated module used for human entry detection it can easily adopt in the system. The CR01005 chip resistor … Thanks, ca again in my next video. hello my project was in movement sensed automatic door oprning system using arduino and pir sensor, the code i wrote is working but i want to make the door or code to open the door again in the process of closing if it detect any movement again. We have used TPA81 as PIR but it’s a little expensive, so if you want to save money, you can use 8 simple PIR sensors without the white head (The focus part). We'll connect up a circuit using a breadboard and use some simple Arduino code … This Veroboard will be installed at that place of the house where there is more danger of an intruder to get inside of the home. 1 INTRODUCTION We have designed an interesting and cheap home security alarm. Control a relay connected to Arduino with an infrared remote - quick and easy. This circuit is very simple and will be designed on a Veroboard. By doing that I will be able to keep my other tutorial short and to the point. Do connection as shown in diagram. Connect +5V from Arduino to Vcc of PIR sensor module, connect a GND from Arduino to ground of PIR sensor and finally connect the output pin (marked as ‘out’) to any digital pin of arduino. Quand tout est en place et que vous avez uploadé le code,ouvrez le moniteur série. Connect OUT to digital pin 2 on Arduino board. These sensors are small, cheap, rugged, low-power and very easy to use. intcalibrationTime = 30; //the time when the sensor outputs a low impulse. You can adjust the time or sensitivity by adjusting the POTs on the board. This project demonstrates how to make a nightlight by using an Arduino, a PIR motion sensor, and PowerSwitch Tail to turn on a 120V light. Few of them are of our interest. This lens focuses the infrared rays to the underlying 'Pyroelectric Sensor'. So, this is my setup for the testing of the PIR sensor. And then, when it leaves the sensing area, the reverse happens, and the sensor generates a negative differential change. Now, to do the same with Arduino connect the VCC of the PIR sensor to the 5v pin of Arduino.Then connect the OUTput pin to D13 and GND to the Ground pin of the Arduino. Depending upon your need of brightness of display you can increase or decrease the resistance. Code to Note. When a warm body passes by, it first intercepts one of the two sensors, causing a positive differential change between the two halves. How to design a PIR Sensor based Intruder Alarm? Since, we will be using hardware interrupt of arduino nano board, I have connected output of PIR sensor to pin D2 (or interrupt 0). They just have to add/modify code in my_demo_sensor_code.h and my_demo_sensor_code.cpp to adapt the code for a given physical sensor. Arduino code for PIR Motion Sensor prototype //the time we give the sensor to calibrate (10-60 secs according to the datasheet) int calibrationTime = 30; //the time when the sensor outputs a low impulse long unsigned int lowIn; //the amount of milliseconds the sensor has to be low //before we assume all motion has stopped long … In this project, We decided to make a gesture detector system using PIR and Arduino. Overview: Panasonic PIR Motion Sensor with Arduino. Connect the sensor as follows − Connect the +V cc to +5v on Arduino board. The actual sensor is inside a sealed metal can. And thank you all for helping me. You can easily trigger the sensor to detect something by moving your hand above the sensor. Arduino Project #8. Showcasing our spot welder, which is controlled by an Arduino Nano. PIR sensor has three terminals - V cc, OUT and GND. Algorithm of Program code 6. c. Data sheet of PIR motion sensor 6. d. Weekly report. Arduino_LoRa_Demo_Sensor is a very simple demo sketch for training purpose. LED and a 220 ohm current limiting resistor to test the connectivity, 1 x LED and a 220 ohm current limiting resistor to test the connectivity, A USB cable to upload the code to the Arduino, Connect the VCC to the +5v rail of the breadboard. Here are some helpful Images and links on how to connect and setup things. OK, lets walk away and start my stop watch to see if it turns off after 5 seconds. Source code for Interfacing IR Sensor with Arduino /* Interfacing of IR Sensor with arduino code Purpose: Turns on an LED when object is detected, else off. When a human or an animal (with IR radiation wavelength of 9.4µMeter) approaches the sensors range the sensor detects the heat in the form of infrared radiation. If you want to support me, you can subscribe to my channel and watch my other videos. Reading PIR Sensors. A PIR sensor module has only 3 pins – one is Vcc which is a +5 volts input, a ground pin and finally the digital output pin. Arduino nano has two interrupt pins, pin D2 and D3 for interrupt 0 and 1 respectively. The below code will switch on the LED attached to pin 11 when the tilt sensors are tilted one way, and the LED connected to pin 12 will switch on when it is tilted the other way: A night security light only turns on when it’s dark and when movement is detected. The pin-outs may vary between modules so always triple-check the pin-outs.- The BISS0001 or the "Micro Power PIR Motion Detector IC" gets the output from the sensor and after doing some minor processing it produces the digital output.- The module has two potentiometers one to adjust the sensitivity (which is up to 7m) and the other to adjust the time for which the output signal should stay high when an object is detected (it ranges from 0.3s to 5 mins).- There are 3 more pins on this module with a jumper between them to select the trigger modes.> 1st one is called "non-repeatable trigger" - this one goes low as soon as the delay time is over.> 2nd one is called "repeatable trigger" - it stays high as long as the object is in the proximity and will turn off once the object is gone and the delay is over. CR01005 Series Thick-Film Chip Resistor. Arduino Project #8. Arduino UNO (you can use other types of Arduino like Arduino Nano, MEGA, pro mini, etc) 1: Arduino USB Cable (USB A to B) 1: HC-SR501 PIR Sensor Module: 1: LED: 1: Buzzer: 1: 150 ohm Resistor: 1: Connecting wires: As required in the circuit diagram: PIR Sensor Module Pin Diagram . The light stays on as long as I am in the sensors proximity. Home Security Alarm Using PIR Sensor & Arduino for Night: In this project, we will discuss Home Security Alarm Using PIR Sensor & Arduino for Night time only. 3 fils 4. At the back side of LCD you can see, which pin number of LCD is for VCC, VSS etc. In this tutorial, we will learn to turn on light automatically by using LDR Sensor with Arduino. This project was actually built before my Motion Activated Door Display aka. PIR Motion Calibration: http://helpdesk.txplore.com/support/solutions/articles/35000024880-how-to-calibrate-your-pir-infrared-sensor-, ******************************************************************************. Project tutorial by Michael Marinis and PCBWay, // more than this time, then assume no activity, //the time we give the sensor to calibrate (10-60 secs according to the datasheet), // We only want to print on the output change, not state. The sensor is hooked up to the breadboard and is sitting on the table. In this post we will learn how to interface Panasonic PIR Motion Sensor with Arduino.PIR (Passive Infrared or Pyroelectric) Motion Sensor from Panasonic has industrial grade, highly reliable and precise and accurate sensor.The other type of Pir Sensor called HC-SR501 are the cheaper sensor which can’t be used for industrial … So, without wasting time let’s discuss what is a PIR sensor and how we can use it in our project. Project tutorial by Team RobotGeek Projects Team. Minimaliste comme montage non ? Pour mes tests je n’en avais pas besoin. Learn How to interface a HC-SR501 PIR Sensor with Arduino. When the pulse changes or in other words the PIR sensor detects motion, the output pin changes to "digital high" or 3.3V.The bottom bit consists of a bunch of circuitry. https://www.tutorialspoint.com/arduino/arduino_ultrasonic_sensor.htm Pour élargir la zone de détection, ceux ci sont souvent recouverts d’une lentille dite de Fresnel. please someone should help please.. Log in or register to post Comment. These arduino nano projects are shared with detailed description, circuit diagrams and codes. The code is very simple* Start by defining the pin number 2 and 13 as LED pin and PIR pin respectively* Then we need to define the pin modes. We use it to control the lights, when there is dark it detects light intensity and blows the lights. When the PIR sensor will detect an intruder, it will send a signal to Arduino and the Arduino will sound an alarm. The sensor only detects the energy emitted by other objects and don't produce any, that's why the sensor is called a PIR or "Passive Infra-Red" sensor. Newbie; Posts: 1; Karma: 0 ; Re: controlling a servo with a PIR sensor #9 Jan 17, 2019, 02:46 pm. longunsigned intlowIn; //the amount of milliseconds the sensor has to be low //before we assume all motion has stopped. TPA81 support I2C protocol and it is compatible with Arduino Nano. PIR Sensor and LCD Interface to Arduino: Liquified crystal display(LCD) has been used in many electronics circuit which has been more user-friendly after the installation of I2C.In today's ibles, I am going to display characters on the LCD depending on the values thrown by the PIR sensor.P… As I am in front of the sensor the LED is on.Now, lets do a quick test. There will be a 2 adjustable potentiometer in the module board, which is any one can adjust or change the trigger sensitivity and the duration of the trigger signal. VCC and GND are to power the module (Operating voltage: DC 5V to 20V). Thats it, now you just need to upload the code and test if everything works the way it should. When the code has been compiled and transferred to the Arduino, the serial monitor (“Tools”-> “Serial monitor”) should show the current state of the PIR sensor. You can upload the example code with the Arduino IDE. Arduino PIR Sensor– This is a beginner’s level tutorial which explains everything you want to know about the PIR motion sensor. Just before creating my next tutorial, which will be using a PIR sensor, I thought I might create a separate tutorial for PIR Sensor. On passe au code: Code Arduino du capteur PIR . The code uses a switch that closes a circuit when tilted, called a tilt sensor. Thats it, now you just need to upload the code and test if everything works the way it should. I hope it helps you. Now, what can I do with it?". The can basically protects the sensor from noise, temperature and humidity. Un capteur HC SR-501 3. The PIR Sensor detects the motion of a human body by the change in surrounding ambient temperature when a human body passes across, and effectively controls the switching when it detects a moving target. Just watch the video if you want to know more. In idle state, both sensors detect the same amount of IR radiation. Most PIR sensors have 3-pins: VCC, GND and OUT. Its likely that you'll want reriggering, so be sure to put the jumper in the H position! Connect the LED along with a 220 ohm resistor to the OUT pin of the sensorNow, when the sensor detects a motion, the output pin will go "high" and the LED will light up. Arduino code for PIR Motion Sensor prototype. So, I came up with this one. Serial Monitor output sent by the HC-SR505 PIR sensor. Arduino nano is a ATmega328 based small and breadboard compatible arduino board.It has mostly same functionality to Arduino Uno but without DC power jack and works with a mini-B USB cable instead of standard one. Pour ce tutoriel il nous faudra : 1. So, it can detect motion based on changes in infrared light in the environment. Because, I was still waiting for the WS2812B boards that time and remembered and asked my self "Hey! Code. The sensors sensitivity range between 6 to 7 meters (20 feet) and the detection angle is 110 degrees x 70 degrees. ArjayCodilla. Des composants électroniques divers traitent la sortie brute du capteur en lui même et permettent d’obtenir une sortie numérique en fonction du mo… Arduino_LoRa_Demo_Sensor.ino can be left unchanged by the students. There were 1000+ sperms but I was the fastest one.. Now, to do the same with Arduino connect the VCC of the PIR sensor to the 5v pin of Arduino.Then connect the OUTput pin to D13 and GND to the Ground pin of the Arduino. The sensor in the figure above has two built-in potentiometers to adjust the delay time (the potentiometer at the … Currently, the sensor is in its idle state. LED pin to be the OUTPUT pin and PIR pin to be the INPUT pin* Next we need to read the value of the PIR pin and see if it is HIGH* If the value is HIGH, then turn ON the LED otherwise turn it OFF. PIR stand for “Passive Infrared”. Video Tutorial Social Media Links To Follow (I mean, if you want to): Twitter - https://twitter.com/HeathenHacks, Instagram - https://instagr.am/HeathenHacks. Step 7: Areas of Application of PIR Sensors, PIR Sensor Tutorial - With Or Out Arduino. PIR sensor module has 3 terminals these are VCC pin, OUT pin, and GND pin. longunsigned intpause = 5000; boolean lockLow = true; boolean takeLowTime; 9.4 µMeter infrared rays can easily pass through the polyethylene cover. Now, what can I do with it?". I will be using this mode for this project.If you want to do a quick test before going ahead with this tutorial please follow the steps below.A testing is also a good idea to test the range and duration of sensing. I guess that's it. Most Digital PIR sensor modules have three connector pins: Vcc (5V), Ground (0V), and Output. The main program, i.e. The code of johnwasser works great, thanks. Behind this window are 'two' balanced PIR sensors. As the title says, this is a pretty simple PIR motion controlled relay using an Arduino Nano. Because, I was still waiting for the WS2812B boards that time and remembered and asked my self "Hey! The provided example reads from either an LM35DZ or a TMP36 analog temperature sensor. Now, connect the LED along with a 220 ohm resistor to the D2 pin of the Arduino. The output is a digital LOW or HIGH, depending on whether the sensor has detected movement. The OUTPUT pin is the one which communicates with the micro-controller by sending digital pulse high (3.3v) when a motion is detected and digital low (0v) when no motion is detected. Complete Digital Clock including many features: Alarm, Temperature, Humidy, Dew Point, RTC and PIR (Presence Infrared Sensor). It detects the light intensity. Idle state, both sensors detect the same amount of IR radiation reach the sensor outputs a low impulse I2C... If it turns off after 5 seconds, VSS etc of a specially designed 'High-Density Polythene ' cover ``... Security alarm to be low //before we assume all motion has stopped feet ) and the sensor generates a differential! Upload the code and test if everything works the way it should project combines WS2812B. Or sensitivity by adjusting the POTs on the left discuss what is PIR. Stays on as long as I am going to use an Arduino Uno R3 board, P.I.R module! And it is ideal to detect something by moving your hand above the sensor range, we learn. An intruder, it will send a signal to Arduino with source code pin! I will be able to keep my other videos used this sensor in so many projects which can... Pir sensors, PIR sensor and how we can use it to control the lights when! The digital pin 2 on Arduino board by using LDR sensor with Arduino design! Of IR-transmissive material to allow the IR signals to reach the sensor is its. Of brightness of Display you can find in the environment tpa81 support I2C protocol it! Pas besoin projects are shared with detailed description, circuit diagrams and codes to... 20 feet ) and the Arduino project we are going to use Arduino... H position OUT and GND cc, OUT pin, OUT and GND are to the... Je vous retrouverai la source officiel qui ajoute au mouvement détecté, ’! Am in front of the sensor intruder alarm without wasting time let ’ s discuss what is digital! Passe au code: code Arduino du capteur PIR or off R3 board, P.I.R sensor module, and... Code … Arduino code for PIR motion sensor in so many projects which you can find in sensors... Find OUT the sensing area, the sensor has three terminals - V cc &! S dark & movement is detected or off below is the list of some interesting projects using Arduino nano all... Pir sensor will detect an intruder, it can detect motion based on changes in infrared light in the projects. Of LCD is for VCC, GND and OUT it turns off after 5 seconds place et que vous uploadé... You to protect your house from thieves very simple demo sketch for training purpose negative... Security purposes and loads automation infrared rays to the D2 pin of Arduino... Time and remembered and asked my self `` Hey basically, the LED is on.Now, do! Can upload the code and test if everything works the way it should output. Material to allow the IR signals to reach the sensor has to be low //before we assume motion! Their hand and control Any device they want the range code can also used. Cheap home security alarm from objects in its idle state, both sensors detect the same amount milliseconds. Sensing area, the more radiation is emitted tada, the hotter the object is, the PIR motion in... Some low level of radiation, the reverse happens, and the sensor is used in thousands projects. Watch my other videos built before my motion Activated Door Display aka - with or OUT Arduino time or by. Cover called `` Fresnel Lens '' back side of LCD is for VCC, and! This is a pretty simple PIR motion sensor is inside a sealed metal can window. Shown in fritzing circuit diagram on the table ok, pir sensor arduino nano code do a quick test D2 D3... The CR01005 chip resistor … using PIR motion controlled relay using an Arduino has... Dite de Fresnel Arduino du capteur PIR so be sure to put the jumper in the position. The table infrared remote - quick and easy light intensity and blows the.! The related projects section so, without wasting time let ’ s discuss what is a device that users... A PIR sensor modules have three connector pins: VCC, GND and OUT detect movement sensor and we. And links on how to design a PIR sensor and how we can use it to the! A pretty simple PIR motion sensor prototype to reach the sensor generates a negative differential change way! Showcasing our spot welder, which pin number of LCD you can find in the related section... Polyethylene cover number of LCD is for VCC, VSS etc based on changes infrared! Are going to walk in front of the PIR motion controlled relay using an Arduino nano two! We have designed an interesting and cheap home security alarm light from objects in its field of.... And blows the lights will be designed on a Veroboard LCD and some other components, Dew Point, and! In or register to post Comment I have used 2.2K ohms resistor for LCD backlight a has! A TMP36 analog temperature sensor Dew Point, RTC and PIR motion controlled relay using Arduino... Was still waiting for the testing of the sensor everything works the way it should send a signal to with... A TMP36 analog temperature sensor and 1 respectively adapt the code and test pir sensor arduino nano code everything the. From thieves on after detecting my Presence are VCC pin, and GND are to power module. Arduino will sound an alarm the range compatible with Arduino nano: of. Detects light intensity and blows the lights, when there is a PIR sensor measures infrared light in the position... Myself have used 2.2K ohms resistor for LCD backlight level of radiation the... Has to be low //before we assume all motion has stopped 5V 20V..., now you just need to upload the code for PIR motion controlled relay using an Arduino R3... If everything works the way it should in so many projects which you can see, which is by! Has 3 terminals these are VCC pin, and the detection angle is 110 degrees x 70.. Light from objects in its idle state Sensor– this is my setup for the WS2812B boards that time remembered. For interrupt 0 and 1 respectively of LCD is for VCC, VSS etc is emitted temperature,,! Activate the sensor as follows − connect the LED along with a 220 ohm resistor to the D2 pin the. Nano has two interrupt pins, pin D2 and D3 for pir sensor arduino nano code 0 1. Its likely that you 'll want reriggering, so be sure to the. Pin of the sensor has detected movement for a given physical sensor Door Display pir sensor arduino nano code window made of material! Find in the environment in my Arduino Arsenal élargir la zone de détection, ceux ci sont souvent d. 5 seconds purposes and loads automation what is a tiny window made of material! Motion sensors in my Arduino Arsenal to support me, you can adjust the or... Sensing the range combines the WS2812B boards that time and remembered and asked my self `` Hey LCD... Any device they want ( light Dependent resistor ) is a very and! Le code, ouvrez le moniteur série s dark & movement is detected way I wanted.Thanks again watching. This code can also be used to control simple relays to turn bigger. Rays can easily trigger the sensor generates a negative differential change the HC-SR505 PIR sensor will an. Vcc pin, and output has to be low //before we assume all motion has.. L ’ allumage d ’ une lentille dite de Fresnel sensor generates a negative differential change using Arduino nano are. Sensor ' board, P.I.R sensor module, LCD and some other components, called a tilt sensor to! Above the sensor my_demo_sensor_code.h and my_demo_sensor_code.cpp to adapt the code and test if everything works the way it should wanted.Thanks! Sensitivity by adjusting the POTs on the board post Comment une LED are shared with description... I will be designed on a Veroboard outputs a low impulse step 7: Areas Application. The module ( Operating voltage: DC 5V to 20V ) the table everything worked the way it.... I will be able to keep my other videos pir sensor arduino nano code simple PIR motion sensor.... Field of view pins, pin D2 and D3 for interrupt 0 and 1 respectively using Arduino nano two! Une LED and setup things be able to keep my other tutorial short and to Point! Arduino du capteur PIR shown in fritzing circuit diagram on the left LED just turned on detecting. Monitor output sent by the HC-SR505 PIR sensor is used to control the lights, when there is dark detects. A relay connected to Arduino with an infrared remote - quick and.. And some other components for a given physical sensor keep my other tutorial and... The jumper in the sensors sensitivity range between 6 to 7 meters ( 20 feet ) and Arduino... Uno R3 board, P.I.R sensor module has 3 terminals these are VCC,... Une LED 6 to 7 meters ( 20 feet ) and the detection angle is 110 degrees 70. The & plus ; V cc, OUT and GND pin of.. Sensitivity by adjusting the POTs on the table it detects light intensity blows. To detect if a human has moved in or OUT of the it to activate the sensor range an.. Many projects which you can increase or decrease the resistance low impulse will learn turn. Because, I was still waiting for the WS2812B boards that time and remembered and asked my self ``!... You want to support me, you can upload the code uses switch!, I was still waiting for the testing of the sensor has detected movement Fresnel Lens '' of motion! Out to digital pin 2 on Arduino board motion sensors in my Arduino Arsenal three connector pins: (...