Sensors & Transducers
PHILMORE Cadmium Sulfide Photo Cell 2pk, 10810
$4.02
10mm OD...400mWEpoxy - Coated Low Profile CellHigh reliable power dissipation Compact dimensions
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
SPARKFUN Hall Effect Sensor - US1881, COM-09312
$1.20
3.5V to 24V DC operation voltage
Low current consumption
Temperature compensation
Wide operating voltage range
Open-Collector pre-driver
50mA maximum sinking output current
Reverse polarity protection
Lead Free Package: TO-92
OSEPP IR Follower, IRFOL-01
$7.95
100% Arduino Compatible
Can be used to build a light following robot
OSEPP Light Sensor Module, LIGHT-01
$3.95
Suitable supply voltage: +3 to 5Vdc
Analog voltage output: 0 to 5 Vdc
Detects ambient light density
Works with CdsPhotoresistor
Interface with microcontrollers and logic circuits Analog sensors
Uses PH 2.0 socket
Special sensor with Arduino expansion boards
SPARKFUN Piezo Element, SEN-10293
$1.90
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
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 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