Sensors & Transducers

8 Item(s)

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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 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 Color Sensor TCS3200 Module, VMA325

$16.40
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 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

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
operating voltage: 5 V connection: 3 pins, VCC = 5 V, GND and OUT dimensions: 25 x 15 mm weight: 4 g 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

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 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 40 cm adjustment R5: frequency adjustment 38 KHz (already optimised) adjustment R6: IR LED duty cycle 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