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Sensors

A crucial aspect of any robotics project is the ability for the robot to report back information about its environment or to automatically react and adjust if certain conditions are met. For example, a contact, optical or sonic solution could be employed to detect nearby objects to restrict movement of the robot to protect itself or the objects around it.

Sub Categories

Accelerometers, Gyros, GPS, & Compasses Accelerometers, Gyros, GPS, & Compasses. Measure acceleration and track rotation with these accelerometers, gyroscopes, compasses/magnetometers, and combined inertial measurement units (IMUs) and orientation sensors.	LIDAR Light Detection and Ranging or LIDAR is a remote sensing method that uses light in the form of a pulsed laser to measure distance. LIDAR sensors provide navigation and localization for autonomous ground robots.
Contact Sensors Contact Sensors. Switches and Bumper Switches used to indicated when a physical limit has been reached.	Magnetic Guide Sensors Precision magnetic sensor for detecting and measuring the position of a magnetic track along the horizontal axis, for use in Automatic Guided Vehicles and other Automation applications.
Current Sensors An assortment of unidirectional and bidirectional Hall effect-based current sensors. They offer a very low-resistance current path and electrical isolation between the current source and the measuring circuit.	Optical Sensors - IR, PIR, Photo Optical IR Sensors. IR distance sensors make it easy to detect and range objects.
Force Sensors Force-sensing resistors (FSRs) are passive components that exhibits a decrease in resistance when there is an increase in the force applied to the sensor allowing you to create a sensor that is able to detect force or pressure.	Sonar Range Finders Accurately measure distances over a wide range with our assortment of ultrasonic distance sensors from Maxbotix and Devantech.
Gas Sensors Gas sensors makes it possible to measure concentrations of gasses such as alcohol, methane, propane, butane, and carbon monoxide.	Temperature and Humidity Sensors These sensors measure the humidity of the air and can measure the temperature. Great features for your microcontroller project.

Category Items

HRUSB-MaxSonar-EZ0 Sensor Line The MaxBotix high resolution MB1403 HRUSB-MaxSonar-EZ0 has a wide and sensitive beam, making it an excellent choice for use where high sensitivity or people detection is desired. TS-058-100 $49.95 8 Ready to Ship!	MLX90614ESF-AAA Infrared Temperature Sensor The Melexis MLX90614ESF-AAA is a high-accuracy, high resolution, non-contact thermometer with a 90-degree field of view. It has a measurement resolution of 0.02°C and is factory calibrated for a wide -70 to 380°C object temperature range. TS-057-000 $19.95 10 Ready to Ship!
MLX90614ESF-AAA Infrared Temperature Sensor The Melexis MLX90614ESF-AAA is a high-accuracy, high resolution, non-contact thermometer with a 90-degree field of view. It has a measurement resolution of 0.02°C and is factory calibrated for a wide -70 to 380°C object temperature range. TS-057-000 $19.95 10 Ready to Ship!	Pololu Carbon Monoxide & Flammable Gas Sensor MQ-9 This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 1,000 ppm and combustible gas from 100 to 10,000 ppm. TS-056-MQ9 $5.95 12 Ready to Ship!
Pololu Carbon Monoxide Gas Sensor MQ-7 This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. TS-056-MQ7 $4.95 13 Ready to Ship!	Pololu LPG / Isobutane / Propane Gas Sensor MQ-6 This semiconductor gas sensor detects the presence of LPG, isobutane, and propane at concentrations from 300 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller. TS-056-MQ6 $4.95 12 Ready to Ship!
Pololu Methane Gas Sensor MQ-4 This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. TS-056-MQ4 $4.95 8 Ready to Ship!	Pololu Alcohol Gas Sensor MQ-3 This semiconductor gas sensor detects the presence of alcohol gas at concentrations from 0.04 mg/L to 4 mg/L, a range suitable for making a breathalyzer. TS-056-MQ3 $4.49 10 Ready to Ship!
Pololu Flammable Gas & Smoke Sensor MQ-2 This semiconductor gas sensor detects the presence of combustible gas and smoke at concentrations from 300 to 10,000 ppm. The sensor's simple analog voltage interface requires only one analog input pin from your microcontroller. TS-056-MQ2 $3.95 8 Ready to Ship!	Pololu MQ Gas Sensor Carrier This carrier board is designed to work with any of the MQ-series "gas sensors". TS-056-MQ0 $0.95 39 Ready to Ship!
Force-Sensing Resistor - 24" x 0.25" Strip This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 24"×0.25" (610×6.3 mm) active area. TS-055-000 $17.95 7 Ready to Ship!	Force-Sensing Resistor - 1.5" Square This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 1.5"×1.5" (38×38 mm) active area. TS-054-000 $7.95 15 Ready to Ship!
Force-Sensing Resistor - 0.5" Circle This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the circular active area (0.5"/12.7mm diameter). TS-053-000 $6.44 14 Ready to Ship!	Pololu ACS714 Current Sensor Carrier -30 to 30A This board is a simple carrier of Allegro’s ±30A ACS714 Hall effect based linear current sensor, which offers a low-resistance (~1.2 mO) current path and electrical isolation to 2.1 kV RMS. TS-052-030 $8.95 22 Ready to Ship!
Pololu ACS714 Current Sensor Carrier -5 to 5A This board is a simple carrier of Allegro’s ±5A ACS714 Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mO) current path and electrical isolation up to 2.1 kV RMS. TS-052-005 $9.95 46 Ready to Ship!	Humidity Sensor Carrier HIH-4030 This is a carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with humidity. TS-051-000 $16.95 7 Ready to Ship!
Humidity Sensor Carrier HIH-4030 This is a carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with humidity. TS-051-000 $16.95 7 Ready to Ship!	Pololu ACS715 Current Sensor Carrier 0 to 30A This board is a simple carrier of Allegro’s 30A ACS715 Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mO) current path and electrical isolation up to 2.1 kV RMS. TS-048-030 $9.95 25 Ready to Ship!
Pololu IR Beacon Transceiver Pair Transceivers used in pairs to give robots a simple means for detecting each other. You can use the beacons to build pairs of robots that interact or chase one another, or to make a robot that can identify and return to a home base. TS-047-000 $49.95 9 Ready to Ship!	HRLV-MaxSonar-EZ4 Ultrasonic Range Finder The MaxBotix high resolution, low voltage MB1043 HRLV-MaxSonar-EZ4 has a narrow beam and is an excellent choice for detecting larger objects. TS-046-104 $34.95 10 Ready to Ship!
HRLV-MaxSonar-EZ3 Ultrasonic Range Finder The MaxBotix high resolution, low voltage MB1033 HRLV-MaxSonar-EZ3 is a narrow beam sensor with good side object rejection. TS-046-103 $34.95 23 Ready to Ship!	HRLV-MaxSonar-EZ2 Ultrasonic Range Finder The MaxBotix high resolution, low voltage MB1023 HRLV-MaxSonar-EZ2 is a good compromise between sensitivity and side object rejection. TS-046-102 $34.95 6 Ready to Ship!
HRLV-MaxSonar-EZ1 Ultrasonic Range Finder The MaxBotix high resolution, low voltage MB1013 HRLV-MaxSonar-EZ1 is a great choice for use where sensitivity is needed along with side object rejection. TS-046-101 $34.95 24 Ready to Ship!	HRLV-MaxSonar-EZ0 Ultrasonic Range Finder The MaxBotix high resolution, low voltage MB1003 HRLV-MaxSonar-EZ0 is an excellent low cost choice for use where high sensitivity, wide beam, or people detection is desired. TS-046-100 $37.95 15 Ready to Ship!
Hokuyo URG-04LX-UG01 Laser The URG-04LX-UG01 is a laser range-finder (LiDAR) that's inexpensive, accurate and easy to use. This laser utilizes a USB 2.0 interface. The field-of-view for this detector is 240 degrees. Distances are reported from 20mm to 5.6 meters. TS-045-004 $1,175.00 2 Ready to Ship!	Buffered 3D 3g Accelerometer The DE-ACCM3D from Dimension Engineering is the most advanced analog accelerometer solution to date, featuring a triple axis ±3g accelerometer chip. TS-044-000 $35.00 6 Ready to Ship!
Buffered 6g Accelerometer The DE-ACCM6G from Dimension Engineering is an off the shelf 2 axis ±6g accelerometer solution with analog outputs. It features integrated op amp buffers for direct connection to a microcontroller's analog inputs, or for driving heavier loads. TS-043-006 $22.95 7 Ready to Ship!	Buffered 2g Accelerometer The DE-ACCM2G from Dimension Engineering is an off the shelf 2 axis ±2g accelerometer solution with analog outputs. It features integrated op amp buffers for direct connection to a microcontroller's analog inputs, or for driving heavier loads. TS-043-002 $22.95 7 Ready to Ship!
MaxBotix XL MaxSonar AE1 Ultrasonic Ranger The MaxBotix extra-long range MB1310 XL-MaxSonar-AE1 has high acoustic power combined with continuously variable gain, real-time background automatic calibration, real-time waveform signature analysis, and real-time noise rejection algorithms. TS-042-001 $44.95 9 Ready to Ship!	LV-MaxSonar-EZ3 Ultrasonic Range Finder The MaxBotix low voltage MB1030 LV-MaxSonar-EZ3 offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The MaxSonar-EZ3 detects objects from 0" to 254". TS-039-103 $29.95 24 Ready to Ship!
LV-MaxSonar-EZ2 Ultrasonic Range Finder The MaxBotix low voltage MB1020 LV-MaxSonar-EZ2 offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The MaxSonar-EZ2 detects objects from 0" to 254". TS-039-102 $29.95 16 Ready to Ship!	LV-MaxSonar-EZ4 Ultrasonic Range Finder The MaxBotix low voltage MB1040 LV-MaxSonar-EZ4 offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The MaxSonar-EZ4 detects objects from 0" to 254". TS-039-104 $29.95 15 Ready to Ship!
LV MaxSonar EZ0 Ultrasonic Range Finder The MaxBotix low voltage MB1000 LV-MaxSonar-EZ0 offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The MaxSonar-EZ0 detects objects from 0" to 254". TS-039-100 $29.95 19 Ready to Ship!	Tamiya 6P DPDT Toggle Switch - Self-Neutral Function Similar to the 6P Toggle Switch (TAM-042-000) but with a self-centering function that causes the control to go back to center when released. Handles up to 5A. TAM-043-000 ~~$5.50~~ $4.40 18 Ready to Ship!
LV-MaxSonar-EZ1 Ultrasonic Range Finder The MaxBotix low voltage MB1010 LV-MaxSonar-EZ1 offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The MaxSonar-EZ1 detects objects from 0" to 254". TS-039-101 $29.95 9 Ready to Ship!	Devantech SRF05 Ultrasonic Ranger This is the SRF05 Ultrasonic ranger made by Devantech. The Ultrasonic detector can detect from ~4 inches to ~13 feet. TS-012-005 $29.50 5 Ready to Ship!
Momentary 5A SPDT Lever Micro Switch Tamiya momentary SPDT Lever Switch. Works well as a bumper switch on you robot. TAM-046-000 $2.50 15 Ready to Ship!	Trekker Wheel Encoder Package (4 Sensors) This is the same as TS-036-002 with two extra sensors that can be used to look at the floor for white/black contrast of holes. This kit will only plug into V2.x OOPic II Expansion Boards. TS-036-004 ~~$29.95~~ $21.95 1 Ready to Ship!
Trekker Soccer Ball Catching Sensor and Brackets This kit includes two brackets that mount to the Trekker Bumper and act as a catcher for balls. It includes a sensor and the connectors to determine if the Trekker has caught the ball. This kit will only plug into V2.x OOPic II Expansion Boards. TS-022-000 ~~$19.95~~ $14.95 4 Ready to Ship!	Photo IC 38kHz Infrared Object Detection Kit This is a basic object detection sensor that transmits a 38.2kHz IR signal and outputs a 5V analog signal depending on what it sees. The sensors comes with all necessary wires, heat shrink and components to mount on your project. TS-018-000 $6.75 7 Ready to Ship!
Devantech SRF04 Ultrasonic Ranger This is the SRF04 Ultrasonic ranger made by Devantech. The Ultrasonic detector can detect from ~4 inches to ~10 feet. TS-012-004 $29.50 5 Ready to Ship!	Trekker Sweeping SRF04 Ultrasonic & IR Scanner Pkg SuperDroid Trekker Sweeping Ultrasonic & IR Scanner Package. The servo can be programmed to scan at any angle from -90 to +90 degrees. This gives the Trekker a set of eyes. Both sensors are mounted on a common servo and bracket. TS-007-004 $74.95 4 Ready to Ship!
Trekker Sweeping SRF04 Ultrasonic & IR Scanner Pkg SuperDroid Trekker Sweeping Ultrasonic & IR Scanner Package. The servo can be programmed to scan at any angle from -90 to +90 degrees. This gives the Trekker a set of eyes. Both sensors are mounted on a common servo and bracket. TS-007-004 $74.95 4 Ready to Ship!	Trekker Sweeping SRF04 Ultrasonic Scanner Package Trekker Sweeping Ultrasonic Scanner Package. The servo can be programmed to scan at any angle from -90 to +90 degrees. This gives the Trekker a set of eyes. The Ultrasonic detector can detect from ~4 inches to ~10 feet. TS-006-004 $57.95 4 Ready to Ship!

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