Sensors & Transducers

4 Item(s)

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VELLEMAN Temperature Probe DS18B20 & Arduino Compatible, VMA324

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 Line Tracking Sensor TCRT5000 Module, VMA326

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

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

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