Fast delivery
Discount conditions for companies
Up to 10% discount for pupils, students and educational institutions
Europe-wide shipping starts at €4.90
 
Cookie settings
This website uses cookies that are necessary for the technical operation of the website and are always set. Other cookies, which are intended to increase comfort when using this website, serve direct advertising or facilitate interaction with other websites and social networks, are only set with your consent.
KY-021 - Magnetic reed module, reed switch
Image similar

KY-021 - Magnetic reed module, reed switch

Funduino
€1.59 *
Content: 1 Piece

incl. VAT plus shipping costs

Delivery time: appr. 1-3 days

Our Benefits:
  • Shipping via DHL
  • +100,000 satisfied customers
  • Over 10 years of experience
  • Item no: F23106789
  • Weight: 0,00 kg
  • Packing dimensions: 1.8 cm x 1.5 cm x 0.2 cm (L x W x H)
Secure and fast payment with
Amazon PayKlarnaCredit cardPayPalInvoiceSofort.Prepayment
Description Reviews 0
Description
The KY-021 module consists of a breakout board with a reed switch. The switch remains on until... more
Close menu

The KY-021 module consists of a breakout board with a reed switch. The switch remains on until it comes into contact with a magnetic field. The module offers a reliable switching function for various applications.

Overview:

  • Operating voltage: 3.3-5 V
  • Resistance: 10 kΩ
  • Pins: VCC, ground, signal
  • Output: digital
  • PCB dimensions: approx. 18 x 14.5 mm

Possible applications:

  • Door and window sensors
  • Magnetic detection systems
  • Robot technology
  • Security and alarm systems
  • DIY smart home applications

Scope of delivery

  • 1x KY-021 - Magnetic reed module, reed switch
Further links to "KY-021 - Magnetic reed module, reed switch"
Reviews 0
Read, write and discuss reviews... more
Close menu
Customer reviews for "KY-021 - Magnetic reed module, reed switch"
Write rating
Reviews will be activated after verification.
Please enter the string in the text field below.

The fields marked with * are required.

Related articles Customers also bought Customers have also viewed
Related articles
Still 2 in stock!
Cap for micro push-buttons - compatible with "Type-B" push-buttons" Cap for micro push-buttons - compatible with...
Content 1 Piece
€0.30 *
Add
Pressure switch, black - 3-9V, LED illuminated Pressure switch, black - 3-9V, LED illuminated
Content 1 Piece
€4.33 *
Add
3-pin rocker switch - 1-pole on/off switch, KCD1-105 3-pin rocker switch - 1-pole on/off switch,...
Content 1 Piece
€1.11 *
Add
Pressure switch, chrome - 3V/5V, LED illuminated Pressure switch, chrome - 3V/5V, LED illuminated
Content 1 Piece
from €4.00 *
Add
Rocker switch 2 positions KCD1-105 250V, 10A Rocker switch 2 positions KCD1-105 250V, 10A
Content 1 Piece
€0.48 *
Add
Rocker switch KCD-1 - 12*18.8mm, waterproof, illuminated Rocker switch KCD-1 - 12*18.8mm, waterproof,...
Content 1 Piece
€2.32 *
Add
Photoelectric switch, light barrier - ITR20403 Photoelectric switch, light barrier - ITR20403
Content 1 Piece
€1.42 *
Add
Rocker switch KCD-2 - 21.5*27.5mm, waterproof, illuminated Rocker switch KCD-2 - 21.5*27.5mm, waterproof,...
Content 1 Piece
€2.32 *
Add
Customers also bought
KY-003 Magnetic switch - Hall effect sensor KY-003 Magnetic switch - Hall effect sensor
Content 1 Piece
€1.45 *
Add
40 pieces breadboard cable male/male (20cm) 40 pieces breadboard cable male/male (20cm)
Content 1 Piece
€1.74 *
Add
5V touch sensor module for microcontroller 5V touch sensor module for microcontroller
Content 1 Piece
€1.48 *
Add
Light barrier, photoelectric switch - U-shape Light barrier, photoelectric switch - U-shape
Content 1 Piece
€1.67 *
Add
40 pieces breadboard cable male/female (20cm) 40 pieces breadboard cable male/female (20cm)
Content 1 Piece
€1.74 *
Add
Ultrasonic sensor, distance sensor - HC-SR04 Ultrasonic sensor, distance sensor - HC-SR04
Content 1 Piece
€2.18 *
Add
Breadboard (plug-in board) with 830 contacts Breadboard (plug-in board) with 830 contacts
Content 1 Piece
€2.90 *
Add
40 pieces breadboard cable female/female (20cm) 40 pieces breadboard cable female/female (20cm)
Content 1 Piece
€1.67 *
Add
1602 I2C LCD module with HD44780 1602 I2C LCD module with HD44780
Content 1 Piece
€3.78 *
Add
5V traffic light, traffic light module for microcontroller 5V traffic light, traffic light module for...
Content 1 Piece
€1.54 *
Add
Funduino SG90 servo motor (see TowerPro) Funduino SG90 servo motor (see TowerPro)
Content 1 Piece
€2.59 *
Add
LDR 10K photoresistor LDR 10K photoresistor
Content 1 Piece
€1.26 *
Add
Stepper motor 28BYJ-48 with ULN2003 driver board Stepper motor 28BYJ-48 with ULN2003 driver board
Content 1 Piece
€2.89 *
Add
Relay card 1-channel 5V / 230V for Arduino Relay card 1-channel 5V / 230V for Arduino
Content 1 Piece
€1.72 *
Add
ADXL345 - 3-axis accelerometer, tilt sensor ADXL345 - 3-axis accelerometer, tilt sensor
Content 1 Piece
€3.73 *
Add
- 20%
ACS712 - Current sensor, 5A ACS712 - Current sensor, 5A
Content 1 Piece
€2.42 * €3.04 *
Add
OLED - 0.96", 128x64, GVSS, I2C OLED - 0.96", 128x64, GVSS, I2C
Content 1 Piece
€4.66 *
Add
OLED - 0.91", 128x32, GVSS , I2C OLED - 0.91", 128x32, GVSS , I2C
Content 1 Piece
€3.78 *
Add
Distance sensor, obstacle detection sensor - Infrared (IR) Distance sensor, obstacle detection sensor -...
Content 1 Piece
€1.59 *
Add
Funduino UNO R3 microcontroller - Arduino compatible Funduino UNO R3 microcontroller - Arduino...
Content 1 Piece
€13.90 *
Add
Motion detector, PIR sensor - HC-SR501 Motion detector, PIR sensor - HC-SR501
Content 1 Piece
€2.34 *
Add
RFID-KIT with Mifare RC522 receiver RFID-KIT with Mifare RC522 receiver
Content 1 Piece
€2.86 *
Add
Voltage sensor, 25V Voltage sensor, 25V
Content 1 Piece
€1.30 *
Add
Humidity sensor for microcontroller Humidity sensor for microcontroller
Content 1 Piece
€1.45 *
Add
Reed contact door switch / door and window monitoring for alarm systems Reed contact door switch / door and window...
Content 1 Piece
€1.79 *
Add
Miniature breadboard with 170 slots - various colors Miniature breadboard with 170 slots - various...
from €0.40 *
Add
- 2%
RGB LED board (WS2812, comparable with Neopixel) - various sizes RGB LED board (WS2812, comparable with...
Content 1 Piece
from €1.87 * €1.90 *
Add
Microswitch - Vertical, with roller Microswitch - Vertical, with roller
Content 1 Piece
€0.96 *
Add
SPI microSD card module - TF card reader SPI microSD card module - TF card reader
Content 1 Piece
€1.72 *
Add
7-segment display with four digits 7-segment display with four digits
Content 1 Piece
€1.33 *
Add
KY-039 - Sensor for pulse measurement KY-039 - Sensor for pulse measurement
Content 1 Piece
€1.45 *
Add
DC plug-in adapter with screw terminal - male DC plug-in adapter with screw terminal - male
Content 1 Piece
€0.96 *
Add
Drop sensor, water level sensor for microcontroller Drop sensor, water level sensor for...
Content 1 Piece
€1.23 *
Add
100 pieces - LEDs with 5mm diameter (5 colors) 100 pieces - LEDs with 5mm diameter (5 colors)
Content 1 Piece
€1.97 *
Add
8x8 LED matrix with MAX7219 driver board 8x8 LED matrix with MAX7219 driver board
Content 1 Piece
€3.56 *
Add
10x Jumper cable with crocodile clips, male, 22cm 10x Jumper cable with crocodile clips, male, 22cm
Content 1 Piece
€3.00 *
Add
- 5%
L298N H-bridge for two motors / motor drivers L298N H-bridge for two motors / motor drivers
Content 1 Piece
€3.22 * €3.40 *
Add
- 40%
RTC module DS3231 with I2C interface RTC module DS3231 with I2C interface
Content 1 Piece
€3.05 * €5.10 *
Add
- 16%
KY-023 - Joystick module KY-023 - Joystick module
Content 1 Piece
€1.29 * €1.54 *
Add
KY-018 Photoresistor on circuit board KY-018 Photoresistor on circuit board
Content 1 Piece
€1.45 *
Add
Customers have also viewed
Loudspeaker - 4Ω, 10W Loudspeaker - 4Ω, 10W
Content 1 Piece
€3.22 *
Add
- 13%
Transparent plastic housing for Arduino UNO Transparent plastic housing for Arduino UNO
Content 1 Piece
€1.47 * €1.69 *
Add
Ultrasonic sensor, distance sensor - HC-SR04 Ultrasonic sensor, distance sensor - HC-SR04
Content 1 Piece
€2.18 *
Add
Humidity sensor for microcontroller Humidity sensor for microcontroller
Content 1 Piece
€1.45 *
Add
- 7%
Funduino Elevator - Elevator for Arduino Funduino Elevator - Elevator for Arduino
Content 1 Piece
€184.90 * €199.00 *
Add
Color scale for servo motors - Compatible with TowerPro, EMAX, ... Color scale for servo motors - Compatible with...
Content 1 Piece
€2.90 *
Add
Breadboard with 400 pins Breadboard with 400 pins
Content 1 Piece
€1.20 *
Add
DOBOT Atom - humanoid robot DOBOT Atom - humanoid robot
from €44,149.00 *
Add
Funduino Smart Home Education for ESP32 and Arduino / IOT teaching solution Funduino Smart Home Education for ESP32 and...
Content 1 Piece
€79.90 *
Add
Arduino Explore IoT Kit Rev2 (Original Arduino) Arduino Explore IoT Kit Rev2 (Original Arduino)
Content 1 Piece
€127.00 *
Add
9V battery terminal, I-shape (lateral) - approx. 15cm cable length 9V battery terminal, I-shape (lateral) -...
Content 1 Piece
€0.73 *
Add
Sold out
N30 motor with propeller, 3V - 6V, 2 pieces N30 motor with propeller, 3V - 6V, 2 pieces
Content 1 Piece
€3.08 *
Add
Still 1 in stock!
Mini hand crank generator kit (wood) Mini hand crank generator kit (wood)
Content 1 Piece
€3.86 *
Add
- 22%
UCTRONICS PoE splitter USB-C 5V, IEEE 802.3af 1GB / 1000mbps UCTRONICS PoE splitter USB-C 5V, IEEE 802.3af...
Content 1 Piece
€6.90 * €8.90 *
Add
4-channel 4-bit bidirectional converter module TXB0104 4-channel 4-bit bidirectional converter module...
Content 1 Piece
€3.17 *
Add
Sold out
MP3 Abspielgerät DIY-Set (ähnlich wie Toniebox) mit Begleitmaterial MP3 Abspielgerät DIY-Set (ähnlich wie Toniebox)...
Content 1 Piece
€34.90 *
Add
MR-HY3612 Motion sensor Motion detector Motion switch MR-HY3612 Motion sensor Motion detector Motion...
Content 1 Piece
€3.63 *
Add
MR-SS3612 Proximity switch MR-SS3612 Proximity switch
Content 1 Piece
€3.63 *
Add
Grove - Soil moisture sensor Grove - Soil moisture sensor
Content 1 Piece
€5.67 *
Add
Still 1 in stock!
Grove - Light sensor (v1.2), LS06-S, compatible with Arduino Grove - Light sensor (v1.2), LS06-S, compatible...
Content 1 Piece
€2.20 *
Add
Grove - Digital light sensor (Arduino-compatible) TSL2561 Grove - Digital light sensor...
Content 1 Piece
€7.90 *
Add
Still 1 in stock!
Grove Base Hat for Raspberry Pi Grove Base Hat for Raspberry Pi
Content 1 Piece
€11.95 *
Add
Switchable foil, PDLC, white, various sizes Switchable foil, PDLC, white, various sizes
Content 1 Piece
from €11.65 *
Add
- 25%
TEMT6000 UV light sensor - 3.3~5V, 60° detection angle TEMT6000 UV light sensor - 3.3~5V, 60°...
Content 1 Piece
€2.71 * €3.60 *
Add
- 30%
Microswitch - flat Microswitch - flat
Content 1 Piece
€0.63 * €0.90 *
Add
- 31%
Magnetic tape 20mm, 10m length - various colors Magnetic tape 20mm, 10m length - various colors
Content 1 Piece
€5.80 * €8.45 *
Add
Color display IPS TFT 1.69 inch, 240x280, SPI Color display IPS TFT 1.69 inch, 240x280, SPI
Content 1 Piece
€5.40 *
Add
Miniature PBS-110 ON/OFF button with 10cm cable - various colors Miniature PBS-110 ON/OFF button with 10cm cable...
Content 1 Piece
€1.32 *
Add
Micro USB splitter - 1x Mirco USB socket to 2x Micro USB plug Micro USB splitter - 1x Mirco USB socket to 2x...
Content 1 Piece
€5.56 *
Add
PCB perforated grid panel set (brown) - grid dimension 2.54 mm PCB perforated grid panel set (brown) - grid...
Content 1 Piece
€4.90 *
Add
USB-A to mini-USB cable - 100cm, with data cable USB-A to mini-USB cable - 100cm, with data cable
Content 1 Piece
€1.22 *
Add
Ball screw 1605 - 500mm / 1000 mm Ball screw 1605 - 500mm / 1000 mm
Content 1 Piece
from €71.55 *
Add
Resistance decade 0 Ohm - 10M Ohm / adjustable resistance Resistance decade 0 Ohm - 10M Ohm / adjustable...
Content 1 Piece
€6.69 *
Add
Light sensor BH1750, BH1750FVI chip Light intensity sensor Light sensor BH1750, BH1750FVI chip Light...
Content 1 Piece
€5.15 *
Add
TCRT5000 - Reflective optical sensor with transistor output TCRT5000 - Reflective optical sensor with...
Content 1 Piece
€1.02 *
Add
Stepper motor / servo bracket black aluminum Stepper motor / servo bracket black aluminum
Content 1 Piece
from €8.45 *
Add
Electric motor RS260 3V - 6V DC Electric motor RS260 3V - 6V DC
€1.74 *
Add
LED segment display, 8 digits, 74HC595, 0.36" - 5 colors LED segment display, 8 digits, 74HC595, 0.36" -...
Content 1 Piece
€4.22 *
Add
6-digit LED segment display TM1637, 0.36 inch, red 6-digit LED segment display TM1637, 0.36 inch, red
Content 1 Piece
€7.26 *
Add
IC assortment 150 pieces - PC817, NE555, LM358, LM324, JRC4558, LM393 etc. IC assortment 150 pieces - PC817, NE555, LM358,...
Content 1 Piece
€24.21 *
Add
Last viewed