Sensors & Transducers

Items 1 to 36 of 80 total

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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

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

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 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 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)

OSEPP IR Receiver, IRREC-02

$8.95
100% Arduino Compatible 3 pin outs: G (GRD),V (VCC),S ( Signal)  3-5 V operating range Operates at a frequency of 38khz

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

OSEPP Humidity and Moisture Breakout, MHUM-01

$12.95
100% Arduino Compatible Operating voltage: 3V – 5V MAX analog pin interface for moisture sensor DHT11 humidity sensor 20-80% humidity readings with 5% accuracy 0-50°C temperature readings ±2°C accuracy

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, not the pets or 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: relay NC 28V DC 0.1A power supply: DC 12V (DC 9-16V) / 15mA typ. operating temperature: 14°F to 131°F with temperature compensation dimensions: 5" x 2.5" x 1.8"

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 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 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 IR Transmitter Modules 2 pack, VMA316

$4.35
max. current: 20 mA 940nm wavelength Connection: 3 pins, only GND (-) and S is used weight: 2 g dimensions: 35 x 15 x 8 mm Attention: There is no current limiting resistor on the module.

VELLEMAN PIR Sensor Module, VMA314

$4.70
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 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.

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 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 Li-ion Battery Charger Board Mini Module, MM104

$14.95
power supply: 5 V possible power supplies: common power supplies such as a compactphotovoltiac panel or even from a computer USB port can be used to charge a single 3.7 V Li-ion element

VELLEMAN IR Receiver 2 pack, VMA317

$4.20
Photo detector and preamplifier in one package internal filter for PCM frequency inner shield, good anti-interference ability high immunity against ambient light Improved shielding against electric field disturbance 3.0 V or 5.0 V supply voltage, low power consumption TTL and CMOS compatibility Specifications: Supply Voltage: 3 to 5 VDC max. supply current: 1.5 mA B.P.F. center frequency: 37.9 KHz dimensions: 28 x 15 x 10 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) size: 25 x 15 mm weight: 2 g

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

$26.95
Power supply: 12-24VDC Relay contact: 16A/230VAC max. Dimensions: 3.15" x 1.78" x 0.86"

VELLEMAN Adjustable Interval Timer Module, VM136

$11.95
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 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 Peltier Thermo-electric Cooling Module 3A/15.4V/DELTA 149F, PELTIER1

$9.90
Melcor type: CP1.0-127-06L I max.: 3A delta T max.: 149°F voltage: 15.4V Q max.: 25.7W number of couples: 127 dimensions: 1.2" x 1.2" x 0.14" weight: 0.42oz

VELLEMAN Universal Timer Module with USB Interface, VM206

$39.90
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: 68mm x 56mm x 20 mm (2.6" x 2.2" x 0.8") 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

VELLEMAN Peltier Thermo-electric Cooling Module 6A/15.4V/DELTA 152.6F, PELTIER2

$9.90
I max.: 6.0A delta T max.: 152.6°F voltage: 15.4V Q max.: 51.4W number of couples: 127 Melcor type: CP1.4-127-06L dimensions: 1.6" x 1.6" x 0.15" weight: 0.77oz

PHILMORE Cadmium Sulfide Photo Cell 2pk, 10810

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