Pulse Sensor $22.95 $24.95 Pulse Sensor is a plug-and-play heart-rate sensor for Arduino. Heart rate data can be really useful whether you're designing an exercise routine, studying your activity or anxiety levels or just want your shirt to blink with your heart beat. The problem... Notify Me
IR distance sensor includes cable (20cm-150cm) $9.95 $13.95 This distance sensor bounces IR off objects to determine how far away they are. It returns an analog voltage that can be used to determine how close the nearest object is. Comes with 12″ long 3-JST interface wire. These sensors are good for... Add to Cart
IR Break Beam Sensor – 3mm LEDs $5.95 Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible IR light, then a receiver across the way which is sensitive to that same light. When something passes between... Add to Cart
Arduino Compatible Digital Temperature Humidity Sensor Module (DHT11) $4.45 This is a digital temperature and humidity sensor module that works with all of the Arduino micro-controllers. Because it is a digital sensor it only necessitates 3 connections, Vcc, GND, and a digital pin for data output. With this sensor you get two... Add to Cart
Arduino Compatible Tap/Knock Sensor $2.95 This is a digital Tap/Knock sensor on a small circuit board that is designed to work with all of the Arduino boards. It is easy to incorporate into any project requiring only a 5v supply, ground, and a digital input to measure the sensors readings (High... Notify Me
Arduino Compatible Ultrasonic Distance Measuring Sensor Module (HY-SRF05) $3.95 This is an Arduino Compatible Ultrasonic sensor, it can be used to measure the distance from the sensor to other objects around it. These types of sensors are used on robots for collision avoidance and guidance or as trip sensors for alarm systems or... Add to Cart
US-100 Ultrasonic Sensor With Temperature Compensation Range $5.95 Product Name : Ultrasonic Sensor Module;Chip : US-100;Fit for : MCU Pins Number : 5;Working Voltage : 2.4-5.5V;Current : 2mA Detection Range : 2-450cm;Detection Accuracy : 0.3cm+1%;Working Temperature : -20- +70C Borad PCB Size : 45 x 20 x 1... Add to Cart
IR (Infrared) Receiver Sensor (TSOP38238) $1.95 IR sensor tuned to 38KHz, perfect for receiving commands from a TV remote control. Runs at 3V to 5V so it's great for any microcontroller. To use, connect pin 3 (all the way to the right) to 5V power, pin 2 (middle) to ground and listen on pin 1. It... Add to Cart
DHT22 AM2302 Digital Temperature Humidity Sensor for Arduino $8.95 The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly... Add to Cart
HC-SR501 Pyroelectric Infrared PIR Motion Sensor Detector Module $3.95 Working voltage: DC5V-20V Quiescent Current: 65uA Level Output Voltage: High 3V / Low 0V Delaying time: 0.3~18s (adjustable) Blockade Time: 0.2s Trigger Method: L: unrepeatable trigger / H: repeatable trigger Detecting Range: 7m, less than 120... Add to Cart
Waterproof DS18b20 Temperature Probe $6.95 If this is out of stock, please consider this alternative product. Specifications: Chip: DS18B20; Voltage: 3.0~5.5V Temperature range: -55'C~+125'C (-67'F~+257'F) Output wires: Red(VCC), Yellow (DATA), Black(GND) Add to Cart
Sharp GP2Y0A41SK0F Analog Distance Sensor 4-30cm $9.95 The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to... Add to Cart