Sensors & Transducers

Items 1 to 36 of 51 total

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VELLEMAN End-Stop Switch Module 2pk, VMA327

$8.15
robot bump switch end stop switch that can be used for many purposes mounts on your robot project or 3d printer mechanical limit switch acts as a bump stop sensor 2 mounting holes on the board operating voltage: 5 V connection: 3 pins, VCC = 5 V, GND and OUT dimensions: 25 x 15 mm weight: 4 g

VELLEMAN Fingerprint Sensor ZFM-708, VMA329

$39.90
power: DC 3.8 V to 7.0 V Back Light: Green Baud rate : (9600 x N)bps, N=1-12 (default N=6) image acquiring time: <0.5 s Finger prints storage capacity: 1000 False Acceptance Rate: 0.001% (at Security level 3) False Reject Rate: 1.0% (Security level 3) Interface: TTL serial operating current (max.): 95 mA Average searching time: 1 s working temperature: -20 - +50 ? outline dimensions: 54 x 20 x 20.5 mm

VELLEMAN 5VDC Relay Module, VMA406

$3.20
Operating Voltage: 5 VDC relay current rating: 10 A at 250 VAC, 10 A at 30 VDC (non inductive) relay contact: C, NO, NC connection: GND, +5 VDC, control input (5 to 12 VDC) dimensions: 40 x 27 x 18 mm

VELLEMAN Hall Effect Modules 2 pack, VMA313

$4.30
Voltage: 5 VDC connection: 3 pins, +(middle pin), ground and S (data out) output (S): Schmitt Trigger, Active Low Activation: 30 Gauss Deactivation: 10 Gauss LED indicator: ON when activated size: 25 x 15 mm weight: 2 g

VELLEMAN Line Tracking Sensor TCRT5000 Module, VMA326

$5.35
Sensor adopts TCRT5000, high sensitivity Sensitivity adjustable by potentiometer working voltage: 3.3 V - 5 V operating current: 20 mA Digital switch output (0 and 1) Has 2 fixed bolt holes, convenient installation small board PCB size: 42 x 10.5 mm Power indicator light (red) and digital switch output indicator light (green) detection reflection distance: 1 mm - 25 mm

OSEPP Sound Sensor Module, SOUND-01

$7.95
100% Arduino Compatible Wide supply voltage range: 3v-5V 4mA current drain Analog voltage measurement through SIG pin Frequency range: 10 ~ 55 Hz

OSEPP 101 Sensor Kit, SENS-01

$79.95
Kit comes with:  OSEPP Sensor Shield 3-Pin Jumper Wires mini USB Cable 9 Volt Battery Adaptor Female to Female Jumper Cables 4-Digit Touch Sensor Module Fan Motor Module Flame Sensor Module LED Modules Light Sensor Module Temperature Sensor Module Passive Infrared Sensor Module Piezo Sensor Module Potentiometer Sensor Module Push Button Module Reed Switch Sensor Module Voltage Sensor Module Ultrasonic Sensor Module

SPARKFUN HC-SR04 Ultrasonic Distance Sensor, SEN-15569

$3.95
Operating Voltage: 5V DC Operating Current: 15mA Measure Angle: 15° Ranging Distance: 2cm - 4m

SPARKFUN Sound Detector, SEN-12642

$10.95
Provides an audio output, but also a binary indication of the presence of sound, and an analog representation of its amplitude The 3 outputs are simultaneous and independent, so you can use as many or as few as you want at once

SPARKFUN Temperature Sensor - TMP36, SEN-10988

$1.50
Voltage Input: 2.7 V to 5.5 VDC 10 mV/C scale factor 2C accuracy over temperature 0.5C linearity Operating Range: -40C to +125C

SPARKFUN Piezo Element, SEN-10293

$1.50
Piezo elements come in handy when you need to detect vibration or a knock You can use these for tap or knock sensors pretty easily by reading the voltage on the output They can also be used for a very small audio transducer such as a buzzer

SPARKFUN Flex Sensor 2.2", SEN-10264

$9.95
The resistance of the flex sensor changes when the metal pads are on the outside of the bend (text on inside of bend) Connector is 0.1" spaced and bread board friendly

SPARKFUN Force Sensitive Resistor - Square, SEN-09376

$12.38
Dimensions: Overall length: 3.5" Overall width: 1.75" Sensing area: 1.75x1.75"

OSEPP LM35 Temperature Sensor Module, TEMP-01

$8.95
Calibrated directly in Celsius (Centigrade) Linear + 10 mV/C Scale Factor 0.5C Ensure accuracy (at +25C) Suitable for remote applications Low cost due to wafer-level trimming Operates from 4 to 30V

VELLEMAN 1 Second to 60 Hour Pulse-Pause Timer Module, VM188

$19.99
wide timing range easy time setting start with 'pulse' or 'pause' 'single shot' or 'loop'-selection applications: blinking of lights pulsed operation of buzzers automatic irrigation lawn sprinklers toilet flushing or ventilation battery charging time control cyclic operation of equipment power supply: 12-24VDC relay contact: 16A/230VAC max. dimensions: 80x45x22 mm / 3.15 x 1.78 x 0.86"

VELLEMAN 3-axis Digital Acceleration Sensor Module -MMA7455, VMA208

$2.99
+-2g/+-4g/+-8g dynamically selectable full-scale Output Data Rates (ODR) from 1.56 Hz to 800 Hz 12-bit and 8-bit digital output I2C digital output interface (operates to 2.25 MHz with 4.7 kO pullup) two programmable interrupt pins for six interrupt source Three embedded channels of motion detection Orientation (Portrait/Landscape) detection with set hysteresis High Pass Filter Data available real-time supply voltage: 1.95 V - 3.6 V interface voltage: 1.6 V - 3.6 V current consumption: 6 µA - 165 µA

OSEPP Voltage Sensor Module, VOLT-01

$5.95
100% Arduino Compatible Operating voltage output : 3.3V 5V MAX Input voltage range 0.0245V ~ 25V MAX Analog input

VELLEMAN Electronic Parts Pack for Arduino, VMA503

$34.90
What's Included: 1 Breadboard 1 Plastic plate 30 Breadboard jumper wire 8 Colored push buttons (red, green, blue and yellow) 40 Jumper pins 38 Colored LEDs (red, green, blue and yellow) 2 RGB LEDs 10 22pF capacitors 10 100pF capacitors 10 10nF capacitors 10 100nF capacitors 10 100µF capacitors 1 Trim potentiometer 2 LDR 2 Diodes 1 LM35 temperature sensor 1 Photodiode 1 SN74HC595N 8-bit shift registers 1 Resistor set 1 Servo motor 1 4-digit 7 segment display 1 1-digit 7 segment display 1 8 x 8 LED dot display

VELLEMAN DC-DC Voltage Boost Module 2 pack, VMA403

$4.35
Input Voltage range: 2.5 to 5 VDC Output Voltage: 5 VDC Connection: solder pads dimensions: 34 x 16 x 8 mm

VELLEMAN DC-DC Voltage Step-up Module LM2577, VMA402

$9.10
input voltage: 3.5 to 35 VDC Output Voltage: 5 to 55 VDC (adjustable) max. input current: 3 A Continous input current: 2 A Chip: LM2577 dimensions: 43 x 30 x 12 mm

VELLEMAN Arduino Compatible Vibration / Shock Switch Module - 2pk, VMA312

$4.20
Voltage: 5 VDC connection: 3 pins, +(middle pin), ground and DO (data out) dimensions: 0.98" x 0.59" (25 x 15 mm) weight: 0.07 oz. (2 g)

VELLEMAN Temperature Sensor Module 2 pack, VMA320

$2.99
NTC type: NTC-MF52 3950 temperature range: -55 °C to 125 °C accuracy: +/- 0.5°C pull-up resistor: provided, 10 KOhm connection: 3 pin, (+) 5V , (-) ground, (S) analogue output dimensions: 20 x 15 x 5 mm

VELLEMAN PIR Sensor Module, VMA314

$2.99
Voltage: 5 VDC connection: 3 pin: GND, VCC and OUT adjustments: sensitivity and delay (by trimmer) delay time: 0.3 to 18 s output level: high = 3 V, Low = 0 V max. sensor distance: 7 m operating temperature: -15 to +70°C detection angle: 120 ° dimensions: 32 x 24 x 25 mm

VELLEMAN 3 x 4 Matrix Keypad for Arduino, VMA300

$3.20
dimensions: 2.76" x 3.03" x 0.04" (7 x 7.7 x 0.1 cm) connection : 3 col - 4 row, 7 pin connection cable length: 3.54" (9 cm) weight: 0.22 oz. (6.25 g) Library : keypad.h

SPARKFUN Force Sensitive Resistor 0.5", SEN-09375

$7.65
Dimensions: Overall length: 2.375" Overall width: 0.75" Sensing diameter: 0.5"

OSEPP Humidity & Temperature Sensor, HUMI-01

$9.95
100% Arduino Compatible 3 pin outs: GRD (-) VCC (+) S Signal 20 meter signal transmission Features: Power supply voltage: 5V Temperature Range: 0-50C Temperature Accuracy: +/- 2C Humidity Range: 20-90%RH Humidity Accuracy: +/_ 5%RH

OSEPP Ultrasonic Sensor Module, HC-SR04

$5.95
Operating Voltage: 5V Working Current: 15 mA Distance Range: 2cm to 400cm 100% Arduino Compatible

VELLEMAN PIR Motion Sensor with Double Twin Optics, HAA54

$49.90
double-twin-optics detection technology SMD-technology for greater EMI and RFI immunity detects the real intruders and ignores pets and rodents automatic temperature compensation fast or pulse-count response for difficult environments with tamper switch detection method: alternating polarity, 2 pyro-optic elements, passive infrared power-up delay: 2 minutes with flashing LED indication alarm activation delay: 2-3 seconds pulse count: instant response or 2 pulses within 12 seconds walk test LEDs: CH1, CH2 and alarm indicators alarm output: NC relay 28 VDC 0.1 A power supply: 12 VDC (9-16 VDC) / 15 mA typ. operating temperature: -10°C to +55°C with temperature compensation dimensions: 127 x 64 x 45 mm weight: 85 g

OSEPP Flame Sensor Module, FLAME-01

$5.95
100% Arduino Compatible Operating voltage: 4.75V 5V MAX Working current: 20 mA Spectral bandwidth range:760 1100 nm. Detection range 0-1 m -25 ~ 85 degrees Celsius.

SPARKFUN Hall Effect Sensor - US1881, COM-09312

$0.95
3.5V to 24V DC operation voltage Low current consumption Temperature compensation Wide operating voltage range Open-Collector pre-driver 50mA maximum sinking output current Reverse polarity protection Lead Free Package: TO-92

SPARKFUN Electret Microphone Element, COM-08635

$1.50
Small electret microphone.  Useful in acoustic and audio applications.

NTE Precision Temperature Sensor, 7225

$1.71
Directly Calibrated in °K 1°C Initial Accuracy Operates From 450μA to 5mA Less Than 1Ω Dynamic Impedance Ab

PHILMORE Cadmium Sulfide Photo Cell 2pk, 10810

$4.02
10mm OD...400mWEpoxy - Coated Low Profile CellHigh reliable power dissipation Compact dimensions