Sensors & Transducers

Items 1 to 36 of 94 total

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SPARKFUN Force Sensitive Resistor - Square, SEN-09376

$11.95
Dimensions: Overall length: 3.5" Overall width: 1.75" Sensing area: 1.75x1.75"

VELLEMAN 7 Watt Mono Audio Amplifier, VM114

$11.15
music power output: 7W / 4ohm output: 3.5Wrms / 4ohm or 2Wrms / 8ohm total harmonic distortion: 0.05% (1W / 1kHz) frequency response: 20Hz to 20kHz (-3dB) signal-to-noise ratio: 86dB (A weighted) input sensitivity: 40mV / 150Kohm overload and short-circuit protected supply voltage: 15V DC (8 to 18V DC possible) / 0.5A dimensions: 2.2 x 1.4"

VELLEMAN Adjustable Interval Timer Module, VM136

$11.95
blinking light, warning light video/photo single frame shooting slide projector control miniature models applications automated testing automated aging tests output relay with NO / NC contact: 3A pulse time adjustable: between 0.5 and 5s pause time adjustable: between 2.5 and 60s power supply: 12Vdc / 100mA dimensions: 1.6 x 3.4"

VELLEMAN IR Remote Checker Module, VM139

$9.90
the easy way to check your IR remote for proper operation simple operation point the remote at the sensor and push any button 4 flashing LEDs indicate remote operation low power consumption power supply: 9V battery (not incl.) dimensions: 2.2 x 1.2 x 1.32"

VELLEMAN Start Stop Timer (1s 60h), VM141

$24.35
wide timing range easy time setting LED animation during operation on-board START-STOP buttons non retriggerable power-on trigger is possible debounced buffered inputs avoid false triggering compact size front panel mountable adjustable delay: 1s - 60h power supply: 12VDC / 100mA NO/NC relay: 24VAC/DC 3A max. dimensions: 2.8 x 1.8 x 0.8"

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

$26.95
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 Universal Timer Module with USB Interface, VM206

$39.90
10 operating modes: toggle mode start/stop timer staircase timer trigger-at-release timer timer with turn on delay timer with turn off delay single shot timer pulse-pause timer pause-pulse timer custom sequence timer wide timing range buffered inputs for external START / STOP buttons heavy duty relay PC software for timer configuration and delay setting open source power supply: 12 VDC (100 mA max.) relay output: 8 A / 250 VAC max. minimum event time : 100 ms maximum event time: 1000 h (over 41 days) dimensions: 68 x 56 x 20 mm (2.6" x 2.2" x 0.8")

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

$6.25
+-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

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

VELLEMAN Piezo Electric Ceramic Buzzer 30VAC 1.5mA, TV4

$1.30
Tone type: piezo speaker Operating voltage: 30Vac Rated voltage: 15Vac Current consumption: 1.5mA Resonant frequency: 0.5-20 ± 0.5kHz Sound pressure level: 75dB Connector type: leads Body color: metal Weight: 0.11oz

SPARKFUN Flex Sensor 2.2", SEN-10264

$8.95
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 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 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 Pulse Sensor, SEN-11574

$24.95
Kit Includes: Pulse Sensor Board 24-inch Color-Coded Cable with Standard Male Headers Ear Clip for Earlobe Heart Rate Measurement Velcro Finger Strap Transparent Stickers to Protect Sensor

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

OSEPP 101 Sensor Kit, SENS-01

$99.00
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

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 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 DS1302 Real Time Clock Module 2 pack, VMA301

$4.45
manages all timekeeping functions: real-time clock counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap year 31 x 8 battery-backed general-purpose RAM Simple Serial Port Interfaces to most Microcontrollers: Simple 3-Wire Interface TTL compatible: VCC = 5 V single-byte or multiple-byte (burst mode) data transfer for read or write of clock or RAM data low power operation extends battery backup run time: 2.0 V to 5.5 V full operation uses less than 300 nA at 2.0 V temperature range: 0°C to +70°C

VELLEMAN SD Card Logging Shield 2 pack, VMA304

$4.30
100% compatible with Arduino® Capable of holding up to 2gb of extra memory Specifications: voltage: 3.3 V - 5 V Protocol: SPI dimensions: 2.05" x 1.18" x 0.47" (52 x 30 x 12 mm) weight: 0.28 oz. (8 g) required library: SD.h

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 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 Adjustable Voltage Step-down Module LM2596S, VMA404

$5.20
input voltage: 3 to 40 VDC Output Voltage: 1.25 to 35 VDC max. input current: 2.5 A Chip: LM2596S dimensions: 49 x 26 x 12 mm

VELLEMAN RFID Read/Write Module, VMA405

$10.75
Operating Voltage: 3.3 VDC working current: 13 to 26 mA sleep current: < 80 uA peak current: < 30 mA working frequency: 13.56 MHz Supported card types: Mifare cards Interface / protocol: SPI Controller chip: MFRC522 Data transmission speed: Max. 10 Mbit / s dimensions: 66 x 40 x 7 mm includes: 2 tags (1 card , 1 fob)

VELLEMAN 3.3 v / 5 v ttl Logic Level Converter Module, VMA410

$3.20
low side (3.3 V): 2 inputs and 2 outputs high side (5 V): 2 inputs and 2 outputs other connections: Vlow (3.3 V), VHigh (5 V) , pass-trough GND dimensions: 15 x 16 x 15 mm Breadboard compatible

VELLEMAN MOSFET Driving Module IRF520, VMA411

$4.45
operating voltage: 3 to 5 VDC max. load voltage: 0 to 24 VDC input: SIG pin, logic level 3 to 5 VDC max. load current: 5 A (a heatsink is required for loads > 1 A) Used MOSFET: IRF520 dimensions: 34 x 21 x 16 mm

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 Temperature Sensor Module 2 pack, VMA320

$4.60
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 RGB LED Modules 2 pack, VMA318

$4.20
Power Dissipation: R 60mW, G 95mW, B 95mW Peak Forward Current (0,1ms Pulse Width): 100 mA for each colour continous forward current: 25 mA for each LED max. reverse voltage: 5 V operating temperature: -40 °C to 80 °C dimensions: 28 x 15 x 5 mm Common: Cathode (-) Attention: Current has to be limited by using resistors.

VELLEMAN Capacitive Touch Sensor Switch, VMA305

$4.30
connection: 3 pins, GND - VCC - Signal voltage: 3 to 5 VDC dimensions: 1.18" x 0.63" x 0.24" (30 x 16 x 6 mm) weight: 0.18 oz. (5 g)

VELLEMAN HC-SR05 Ultrasonic Sensor Module, VMA306

$4.05
Voltage: 4.5 to 5.5 VDC Sound frequency: 40 KHz measurement resolution: 0.3 cm measurement angle: 15 ° supply current: 10 to 40 mA Trigger Pin format: 10 uS pulse connector: 5 pin male detection distance: 2 to 450 cm dimensions: 45 x 20 x 13 mm

VELLEMAN Sound Sensor Module, VMA309

$4.20
voltage: 3.3 to 5 VDC outputs: one analogue + one digital output fixation: 1 mounting screw hole 3 mm 2 indicator LEDS: 1 power indicator + 1 comparator output indicator frequency response: 50 Hz - 20 KHz impedance: 2.2 K Ohm sensitivity: 48 - 66 dB operating temperature: -40 to +85°C size: 44 x 15 x 10 mm weight: 4 g

VELLEMAN Temperature/Humidity Sensor Module, VMA311

$4.30
Voltage: 5 VDC temperature range: 0 - 50 °C , error of +/- 2 °C Humidity: 20 - 90% RH +/- 5% RH error interface: Digital size: 39 x 23 x 10 mm.