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Push-button small, with round knob
Push-button small, with round knob
Content 1 Piece
€0.29 * €0.15 *

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1-3 business days

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Kitronik STOP:bit - Traffic light for BBC micro:bit
Kitronik STOP:bit - Traffic light for BBC...
Content 1 Piece
€4.90 *

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1-3 business days

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Kitronik ZIP Halo HD (LED ring) for the BBC micro:bit
Kitronik ZIP Halo HD (LED ring) for the BBC...
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€31.99 *

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Arduino 4 Relay Shield
Arduino 4 Relay Shield
Content 1 Piece
€27.90 *

Available from 20 April 2026

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10mm RGB LED - Common Cathode (4-Pin) - Tri-Color LED
10mm RGB LED - Common Cathode (4-Pin) -...
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€0.55 *

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Piezo Speaker 5V / Loudspeaker, compatible with Arduino
Piezo Speaker 5V / Loudspeaker, compatible with...
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€0.90 *

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7-segment display with four digits
7-segment display with four digits
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€1.33 *

7671 Piece in stock

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Breadboard (plug-in board) with 830 contacts
Breadboard (plug-in board) with 830 contacts
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€2.90 *

7458 Piece in stock

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Infrared receiver VS1838B & infrared transmitter (LED)
Infrared receiver VS1838B & infrared...
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€0.91 *

6744 Piece in stock

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5V traffic light, traffic light module for microcontroller
5V traffic light, traffic light module for...
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€1.54 *

6225 Piece in stock

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Relay card 1-channel 5V / 230V for Arduino
Relay card 1-channel 5V / 230V for Arduino
Content 1 Piece
€1.72 *

5912 Piece in stock

1-3 business days

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- 14%
RGB LED board (WS2812, comparable with Neopixel) - various sizes
RGB LED board (WS2812, comparable with...
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€1.87 * from €1.61 *

5413 Piece in stock

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Passive loudspeaker (passive buzzer) - 5V for Arduino
Passive loudspeaker (passive buzzer) - 5V for...
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€0.90 *

5377 Piece in stock

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40 pieces breadboard cable female/female (20cm)
40 pieces breadboard cable female/female (20cm)
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€1.67 *

5302 Piece in stock

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40 pieces breadboard cable male/male (20cm)
40 pieces breadboard cable male/male (20cm)
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Jumper, jumper bridge with 2.54mm pitch - different colors
Jumper, jumper bridge with 2.54mm pitch -...
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5078 Piece in stock

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LDR 10K photoresistor
LDR 10K photoresistor
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€1.26 *

4990 Piece in stock

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Male connector - 3P, straight, 2.54mm
Male connector - 3P, straight, 2.54mm
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4369 Piece in stock

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Transistor TIP120
Transistor TIP120
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€1.01 *

4081 Piece in stock

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USB-A to mini-USB cable - 100cm, with data cable
USB-A to mini-USB cable - 100cm, with data cable
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€1.22 *

3942 Piece in stock

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IC socket, DIP, with precision sockets with tulip contacts, 7.62mm row spacing
IC socket, DIP, with precision sockets with...
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from €0.75 *

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40 pieces breadboard cable male/female (20cm)
40 pieces breadboard cable male/female (20cm)
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€1.74 *

3792 Piece in stock

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Rotary potentiometer 10K
Rotary potentiometer 10K
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€1.26 *

3558 Piece in stock

1-3 business days

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- 72%
Plug-in cable JST XH2.54mm - 5P - Female - 20cm
Plug-in cable JST XH2.54mm - 5P - Female - 20cm
Content 1 Piece
€1.23 * €0.35 *

3197 Piece in stock

1-3 business days

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Electronic components in the field of microelectronics

The group of electronic components includes components that cannot be further physically distinguished within an electronic circuit.
Among the best known electronic components within microelectronics are


These electronic components are used in almost every project within microelectronics, preferably in prototyping.

Choosing the right electronic components

Probably no other product group contains such a wide range of components. Before buying, it is even more important to clarify which requirements the respective project has for the electronic components. In the following we would like to help a little with a short description of the components.

Resistors To put it simply: resistors slow down the electric current and can also serve as a voltage divider.
Potentiometer Potentiometers are also resistors in the broadest sense, with the difference that the resistance can be regulated mechanically (e.g. by turning or pushing).
Capacitors Capacitors can store a finite amount of electrical charge (the electrical energy) within an electrical field.
Pushbuttons and switches Switches are among the best-known electronic components. Within a circuit, they serve as openers and closers - or as a button.
Relay Relays are automatic switching devices that use a weak control circuit to open or close a stronger circuit.
Transistors Transistors are electronic components that can also be counted as switches in the broadest sense. The control current is regulated via a control connection using a collector or emitter.
Diodes Diodes only allow an electric current to flow in one direction. They are therefore suitable, for example, as converters from alternating current to direct current.
Optocoupler  Optocouplers are electronic components for transmitting a signal 
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