Free shipping from €75.00
Daily shipping until 14:00
10% discount for pupils, students and educational institutions
Europe wide shipping for 4,90€
Close filter
 
from to
 
1 from 7
No results were found for the filtering!
Distance sensor, obstacle detection sensor - Infrared (IR)
Distance sensor, obstacle detection sensor -...
Content 1 Piece
from €1.59 *
Item no: F23107475

Available immediately, delivery time 2 to 4 working days

About the product
MPU-6050 module - triaxial acceleration sensor, gyroscope
MPU-6050 module - triaxial acceleration sensor,...
Content 1 Piece
from €3.62 *
Item no: F23107397

Available immediately, delivery time 2 to 4 working days

About the product
Light barrier, photoelectric switch - U-shape
Light barrier, photoelectric switch - U-shape
Content 1 Piece
from €1.67 *
Item no: F23107474

Available immediately, delivery time 2 to 4 working days

About the product
SW-520D inclination sensor / vibration sensor
SW-520D inclination sensor / vibration sensor
Content 1 Piece
from €0.82 *
Item no: F23106767

Available immediately, delivery time 2 to 4 working days

About the product
SR602 MINI Motion Sensor Detector Module
SR602 MINI Motion Sensor Detector Module
Content 1 Piece
from €2.27 *
Item no: F23107467

Available immediately, delivery time 2 to 4 working days

About the product
Ultrasonic sensor, distance sensor - HC-SR04
Ultrasonic sensor, distance sensor - HC-SR04
Content 1 Piece
from €2.18 *
Item no: FUN-1010564

Available immediately, delivery time 2 to 4 working days

About the product
5V touch sensor module for microcontroller
5V touch sensor module for microcontroller
Content 1 Piece
from €1.48 *
Item no: F23106653

Available immediately, delivery time 2 to 4 working days

About the product
Motion detector, PIR sensor - HC-SR501
Motion detector, PIR sensor - HC-SR501
Content 1 Piece
from €2.34 *
Item no: FUN-1010565

Available immediately, delivery time 2 to 4 working days

About the product
RCWL-0516 - Motion detector for Arduino, Doppler radar module
RCWL-0516 - Motion detector for Arduino,...
Content 1 Piece
from €2.20 *
Item no: F23106645

Available immediately, delivery time 2 to 4 working days

About the product
Vibration switch
Vibration switch
Content 1 Piece
from €4.27 *
Item no: F23106997

Available immediately, delivery time 2 to 4 working days

About the product
Holder for ultrasonic sensor HC-SR04
Holder for ultrasonic sensor HC-SR04
Content 1 Piece
from €1.19 *
Item no: F23106666

Available immediately, delivery time 2 to 4 working days

About the product
Vibration sensor, tilt sensor - with XH2.54 3P socket
Vibration sensor, tilt sensor - with XH2.54 3P...
Content 1 Piece
from €3.40 *
Item no: F23108652

Available immediately, delivery time 2 to 4 working days

About the product
1 from 7

Distance sensors and motion detectors in microelectronics

In the standard equipment of every hobbyist at least one motion detector or distance sensor can be found with a pretty high probability. And there is a good reason for this, because this is the only way to realize great projects like a line tracker chassis or an efficient light control within your own four walls.
The function of motion detectors and distance sensors is easily explained. Both sensors use infrared technology, the motion detector registers temperature changes (e.g. due to body heat) within the field of view. If an increase in temperature is detected within the PIR range, the motion detector passes on a signal. The level of the threshold until the signal is output is often calibrated with a trimming potentiometer directly on the module.
Distance sensors function in a similar way: There is an infrared light emitting diode on the sensor, which emits infrared light that is not visible to humans. A photo resistor (LDR) is mounted in the immediate vicinity of the diode. If an object enters the PIR range of the sensor, it reflects the infrared light of the diode. The LDR detects fluctuations in the incidence of light and passes them on in the form of an electronic signal for processing by a logic unit.

Other sensors for measuring distances

A popular module for measuring distances is the HC-SR04 ultrasonic sensor. Unlike the sensor types described above, the HC-SR04 module does not work with an infrared signal, but with ultrasonic waves. The ultrasonic sensor emits waves in any direction and measures the time until they return to the HC-SR04. From this, the distance between an object and the HC-SR04 ultrasonic sensor can be measured in real time and even displayed visually.

The functionality of motion detector, distance sensor and ultrasonic sensor at a glance

Motion detector (PIR sensor) HC-SR05:
- detects temperature differences in the PIR range

Ultrasonic sensor HC-SR04:
- measures the distance to an object using ultrasonic waves

Distance sensor:
- measures changes in the incidence of light using a photoresistor

Last viewed
-10% DISCOUNT ♥