Sensors & Transducers

Items 1 to 36 of 93 total

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VELLEMAN UV Light Sensor GUVA-S12SD Module, VMA328

$10.15
operating voltage: 3.3 V to 5 V output voltage: 0 V to 1 V (0-10 UV index) response time: 0.5 second accuracy: +/- 1 UV index radiation wavelength: 200-370 nm Operating Temperature: -20 °C to +85 °C current consumption: 5 mA dimensions: 24 x 15 mm

VELLEMAN Color Sensor TCS3200 Module, VMA325

$16.40
high resolution conversion of light intensity to frequency programmable colour and full scale output frequency Communicates Directly With a Microcontroller single supply operation (2.7 V to 5.5 V) Power Down Feature non-linearity error typically 0.2% at 50 kHz Stable 200 ppm/°C Temperature Coefficient S0-S1: Output frequency scaling selection inputs S2-S3: Photodiode type selection inputs Out Pin: Output frequency OE Pin: Output frequency enable pin (active low), can be impending when using

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

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 Current Sensor ACS712 Module - 20A, VMA323

$8.65
supply voltage: 5 VDC measurement range: -20 to +20 A Output Voltage: VCC/2 at no load scale factor: 100 mV per A dimensions: 31 x 13 x 12 mm

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 IR Obstacle Avoidance Sensor Module, VMA330

$6.20
operating voltage: 3.3 V to 5 V Output: Digital (On/Off) Detection threshold: Adjustable by 2 trimmers distance range: 2 to 10 cm adjustment R6: frequency adjustment 38 KHz (already optimised) adjustment R5: IR LED power adjustment (already optimised) Operating temperature: -10°C to +50°C Effective angle: 35° I/O interface: 4 wire interface (- / + / S / EN ) dimensions: 45 x 16 x 10 mm weight: 9 g

VELLEMAN 4 Channel Relay Module, VMA400

$9.00
Standard interface that can be controlled directly by any microcontroller Opto-isolated inputs indicator LEDs for relay output status Specifications: control input current (in1 to in4): 15 - 20 mA Control input Voltage: 5 - 12 VDC relay output: 250 VAC 10 A, 30 VDC 10 A (non-inductive)

VELLEMAN Temperature Probe DS18B20 & Arduino Compatible, VMA324

$13.45
DS18B20 specs: unique 1-wire interface requires only one port pin for communication Multidrop capability simplifies distributed temperature sensing applications Requires no external components can be powered from data line, power supply range is 3.0 V to 5.5 V Zero standby power required measures temperatures from -55°C to +125°C (Fahrenheit equivalent -67°F to +257°F) ± 0.5°C accuracy from -10°C to +85°C Thermometer resolution is programmable from 9 to 12 bits Converts 12-bit temperature to digital word in 750 ms (max.) user-definable, non-volatile temperature alarm settings Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition) 3-wire adaptor for Arduino included dimensions stainless steel tube: diameter: 6 mm length: 30 mm dimensions cable: diameter: 4 mm length: 36" (91 cm) connections: red: 3-5 V black: ground yellow: data

VELLEMAN 8 Channel Relay Module, VMA436

$18.40
standard interface that can be controlled directly by any microcontroller opto-isolated inputs indicator LEDs for relay output status control input current (in1 to in4): 5 - 25 mA control input voltage: 5 - 12 VDC relay output: 250 VAC 10 A; 30 VDC 10 A (non-inductive) dimensions: 57 x 138 mm operating voltage: 5 V

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 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 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 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 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 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 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

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 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

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 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

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 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 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 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)