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Electromagnetic Components – Sound and Motion

Bring the right beat to your projects! With our electromagnetic components, you add sound and motion – perfect for creative ideas and dynamic solutions that excite!
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Loudspeaker
Loudspeaker
Microphones
Microphones
Motors & Servos
Motors & Servos
Pumps
Pumps
Closer & Opener
Closer & Opener
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Thermal Printers

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222 Products
DFRobot metal DC geared motor with encoder, 122RPM, 90:1, 38Kg.cm torque, 12V DFRobot metal DC geared motor with encoder, 122RPM, 90:1, 38Kg.cm torque, 12V
DFRobot
FIT0403
DFRobot metal DC geared motor with encoder, 122RPM, 90:1, 38Kg.cm torque, 12V

CHF 26.90

Available · 2 piece · 2-5 Tage

Pololu metal geared motor, 100RPM, 1:102, 37Dx73L mm, 64CPR encoder, 34Kg.cm torque, 12V Pololu metal geared motor, 100RPM, 1:102, 37Dx73L mm, 64CPR encoder, 34Kg.cm torque, 12V
Pololu
POL4755
Pololu metal geared motor, 100RPM, 1:102, 37Dx73L mm, 64CPR encoder, 34Kg.cm torque, 12V

CHF 64.45

Available · 10 piece · 2-5 Tage

Makeblock Servogelenk-Mini-Kit, Zwei-Achsen-Gelenk 180° Neigen 180° Schwenken Microservos 42-teilig Makeblock Servogelenk-Mini-Kit, Zwei-Achsen-Gelenk 180° Neigen 180° Schwenken Microservos 42-teilig
Makeblock
MKB-89003
Makeblock Servogelenk-Mini-Kit, Zwei-Achsen-Gelenk 180° Neigen 180° Schwenken Microservos 42-teilig

CHF 23.90

Available · 70 piece · 2-5 Tage

NINIGI Steckverbinder für Lautsprecher, Ø75mm, Klemme mit Druckknopf, 49mm Öffnung, 25mm Tiefe NINIGI Steckverbinder für Lautsprecher, Ø75mm, Klemme mit Druckknopf, 49mm Öffnung, 25mm Tiefe
NINIGI
CC-215
NINIGI Steckverbinder für Lautsprecher, Ø75mm, Klemme mit Druckknopf, 49mm Öffnung, 25mm Tiefe

CHF 1.35

Available · 6 piece · 2-5 Tage

Adafruit rotating door lock DC motor Adafruit rotating door lock DC motor
Adafruit
ADA3881
Adafruit rotating door lock DC motor

CHF 2.50

Available · 9 piece · 2-5 Tage

Waveshare ESP32-S3 AI Smart Speaker Development Board, Dual-Mikrofon, WiFi, BT5, 16MB Flash, 240 MHz Waveshare ESP32-S3 AI Smart Speaker Development Board, Dual-Mikrofon, WiFi, BT5, 16MB Flash, 240 MHz
Waveshare
WS-32184
Waveshare ESP32-S3 AI Smart Speaker Development Board, Dual-Mikrofon, WiFi, BT5, 16MB Flash, 240 MHz

CHF 24.45

Available · 17 piece · 2-5 Tage

Whadda Mini peristaltic pump, self-priming, 39 ml/min, 65x40 mm, silicone tube 2x4 mm, 6 VDC Whadda Mini peristaltic pump, self-priming, 39 ml/min, 65x40 mm, silicone tube 2x4 mm, 6 VDC
Whadda
VL-WPM447
Whadda Mini peristaltic pump, self-priming, 39 ml/min, 65x40 mm, silicone tube 2x4 mm, 6 VDC

CHF 11.70

Available · 5 piece · 2-5 Tage

ACT motor Nema23 stepper motor, 23HS8430, 1.8° step angle, 1.9 Nm holding torque, 3A
ACT-Motor
ACT-23HS8430
ACT motor Nema23 stepper motor, 23HS8430, 1.8° step angle, 1.9 Nm holding torque, 3A

CHF 15.90

Available · 2 piece · 2-5 Tage

ACT motor Nema17 STEPPER MOTOR, 17HS5413, 1.8° step angle, 0.52 Nm holding torque, 1.3 A ACT motor Nema17 STEPPER MOTOR, 17HS5413, 1.8° step angle, 0.52 Nm holding torque, 1.3 A
ACT-Motor
ACT-17HS5413
ACT motor Nema17 STEPPER MOTOR, 17HS5413, 1.8° step angle, 0.52 Nm holding torque, 1.3 A

CHF 10.80

Available · 10 piece · 2-5 Tage

Elecrow Automatic Plant Watering Kit 2.1, Arduino based, for up to 4 plants Elecrow Automatic Plant Watering Kit 2.1, Arduino based, for up to 4 plants
Elecrow
AAK90039K
Elecrow Automatic Plant Watering Kit 2.1, Arduino based, for up to 4 plants

CHF 58.95

Available · 8 piece · 2-5 Tage

ACT motor Nema23 stepper motor 23HS6428, 1.8° step angle, 2.8V, 2.8A, 1.3Nm holding torque ACT motor Nema23 stepper motor 23HS6428, 1.8° step angle, 2.8V, 2.8A, 1.3Nm holding torque
ACT-Motor
ACT-23HS6428D
ACT motor Nema23 stepper motor 23HS6428, 1.8° step angle, 2.8V, 2.8A, 1.3Nm holding torque

CHF 22.60

Available · 6 piece · 2-5 Tage

ACT motor Nema17 stepper motor, 17HS4417, 1.8° step angle, 0.4 Nm holding torque, 1.7A
ACT-Motor
ACT-17HS4417
ACT motor Nema17 stepper motor, 17HS4417, 1.8° step angle, 0.4 Nm holding torque, 1.7A

CHF 9.55

Available · 10 piece · 2-5 Tage

Adafruit Micro Servo, continuous rotation Adafruit Micro Servo, continuous rotation
Adafruit
ADA2442
Adafruit Micro Servo, continuous rotation

CHF 6.80

Available · 13 piece · 2-5 Tage

DFRobot Micro Metal Geared Stepper Motor, 100:1 gearbox, 18° step angle, 0.6kgcm torque, 12V DFRobot Micro Metal Geared Stepper Motor, 100:1 gearbox, 18° step angle, 0.6kgcm torque, 12V
DFRobot
FIT0503
DFRobot Micro Metal Geared Stepper Motor, 100:1 gearbox, 18° step angle, 0.6kgcm torque, 12V

CHF 6.00

Available · 20 piece · 2-5 Tage

DFRobot Micro DC Geared Motor, 150RPM, 100:1, 0.35kgcm torque, 30mA no-load current, 6V DFRobot Micro DC Geared Motor, 150RPM, 100:1, 0.35kgcm torque, 30mA no-load current, 6V
DFRobot
FIT0490
DFRobot Micro DC Geared Motor, 150RPM, 100:1, 0.35kgcm torque, 30mA no-load current, 6V

CHF 10.90

Available · 4 piece · 2-5 Tage

DFRobot Micro Metal Geared Motor with Encoder, 52RPM, 298:1, 2kgcm torque, 60mA no-load current, 6V DFRobot Micro Metal Geared Motor with Encoder, 52RPM, 298:1, 2kgcm torque, 60mA no-load current, 6V
DFRobot
FIT0486
DFRobot Micro Metal Geared Motor with Encoder, 52RPM, 298:1, 2kgcm torque, 60mA no-load current, 6V

CHF 9.30

Available · 1 piece · 2-5 Tage

Waveshare Serial Bus Servo Driver HAT, ESP32-WROOM-32, UART, USB Type-C, 253 ST-/RSBL, 9-25V Waveshare Serial Bus Servo Driver HAT, ESP32-WROOM-32, UART, USB Type-C, 253 ST-/RSBL, 9-25V
Waveshare
WS-27577
Waveshare Serial Bus Servo Driver HAT, ESP32-WROOM-32, UART, USB Type-C, 253 ST-/RSBL, 9-25V

CHF 18.10

Available · 11 piece · 2-5 Tage

ACT motor Nema17 stepper motor, 17HS5425, 1.8° step angle, 0.58 Nm holding torque, 2.5A
ACT-Motor
ACT-17HS5425
ACT motor Nema17 stepper motor, 17HS5425, 1.8° step angle, 0.58 Nm holding torque, 2.5A

CHF 9.00

Available · 22 piece · 2-5 Tage

Waveshare 140 DC copper brush motor, speed 17000-36000rmin, body length 25mm, 3-6V Waveshare 140 DC copper brush motor, speed 17000-36000rmin, body length 25mm, 3-6V
Waveshare
WS-10427
Waveshare 140 DC copper brush motor, speed 17000-36000rmin, body length 25mm, 3-6V

CHF 2.25

Available · 3 piece · 2-5 Tage

DFRobot hybrid stepper motor for 3D printers, 3.5kgcm torque, 1.8° step angle, 1.7A, 3.4V DFRobot hybrid stepper motor for 3D printers, 3.5kgcm torque, 1.8° step angle, 1.7A, 3.4V
DFRobot
FIT0278
DFRobot hybrid stepper motor for 3D printers, 3.5kgcm torque, 1.8° step angle, 1.7A, 3.4V

CHF 6.90

Available · 8 piece · 2-5 Tage

Mini universal speaker, Mylar, 0.5W, 8Ω, 81dB, Ø28x4.7mm Mini universal speaker, Mylar, 0.5W, 8Ω, 81dB, Ø28x4.7mm
LOUDITY
LD-SP-2808
Mini universal speaker, Mylar, 0.5W, 8Ω, 81dB, Ø28x4.7mm

CHF 2.40

Available · 7 piece · 2-5 Tage

DFRobot metal DC geared motor + 16CPR encoder, 251RPM, 43.8:1, 18kgcm, 350mA no-load current, 12V DFRobot metal DC geared motor + 16CPR encoder, 251RPM, 43.8:1, 18kgcm, 350mA no-load current, 12V
DFRobot
FIT0186
DFRobot metal DC geared motor + 16CPR encoder, 251RPM, 43.8:1, 18kgcm, 350mA no-load current, 12V

CHF 18.90

Available · 2 piece · 2-5 Tage

Vibration motor
SparkFun
ROB-08449
Vibration motor

CHF 2.90

Available · 5 piece · 2-5 Tage

VISATON Universal-Lautsprecher, 20 W, 4 Ω, 95-22000Hz, 86dB Lautstärke, Ø94mm Montageöffnung
VISATON
4898
VISATON Universal-Lautsprecher, 20 W, 4 Ω, 95-22000Hz, 86dB Lautstärke, Ø94mm Montageöffnung

CHF 9.00

Available · 23 piece · 2-5 Tage

DFRobot Gravity N20 Micro Metal Gear Motor, 133RPM, 150:1, 1.0kgcm, 50mA idle, PWM, 3-6V DFRobot Gravity N20 Micro Metal Gear Motor, 133RPM, 150:1, 1.0kgcm, 50mA idle, PWM, 3-6V
DFRobot
DFR1114
DFRobot Gravity N20 Micro Metal Gear Motor, 133RPM, 150:1, 1.0kgcm, 50mA idle, PWM, 3-6V

CHF 8.90

Available · 5 piece · 2-5 Tage

New
Mini Universal Lautsprecher, 3W, 8Ω, 84dB, Ø52x27,5mm Mini Universal Lautsprecher, 3W, 8Ω, 84dB, Ø52x27,5mm
LOUDITY
LD-SP-5208
Mini Universal Lautsprecher, 3W, 8Ω, 84dB, Ø52x27,5mm

CHF 5.25

Available · 4 piece · 2-5 Tage

New
VISATON Universal-Lautsprecher, 40 W, 8 Ω, 0,8-20kHz, 90dB Lautstärke, Ø64mm Montageöffnung
VISATON
VIS-9002
VISATON Universal-Lautsprecher, 40 W, 8 Ω, 0,8-20kHz, 90dB Lautstärke, Ø64mm Montageöffnung

CHF 17.15

Available · 1 piece · 2-5 Tage

New
VISATON FR7 Breitband-Lautsprecher, universal, 5 W, 4 Ohm, 130-20000 Hz, 66x66 mm VISATON FR7 Breitband-Lautsprecher, universal, 5 W, 4 Ohm, 130-20000 Hz, 66x66 mm
VISATON
VIS-2015
VISATON FR7 Breitband-Lautsprecher, universal, 5 W, 4 Ohm, 130-20000 Hz, 66x66 mm

CHF 8.10

Available · 9 piece · 2-5 Tage

ACT motor Planetary geared motor, 17HS5417AG5.18-XJTH, 1.7 A/phase, 1.8° step angle, 2.69 Nm
ACT-Motor
ACT-17HS5417A
ACT motor Planetary geared motor, 17HS5417AG5.18-XJTH, 1.7 A/phase, 1.8° step angle, 2.69 Nm

CHF 24.45

Available · 5 piece · 2-5 Tage

VISATON Lautsprecherabdeckung 114x114x9mm, Kunststoff, schwarz, passend für VS-FR10 VS-R10S VISATON Lautsprecherabdeckung 114x114x9mm, Kunststoff, schwarz, passend für VS-FR10 VS-R10S
VISATON
4744
VISATON Lautsprecherabdeckung 114x114x9mm, Kunststoff, schwarz, passend für VS-FR10 VS-R10S

CHF 3.20

Available · 8 piece · 2-5 Tage

Hollywood DL-13, Wand- und Deckeneinbaulautsprecher, Ø136mm, 60W, weiß Hollywood DL-13, Wand- und Deckeneinbaulautsprecher, Ø136mm, 60W, weiß
Hollywood
T1840008
Hollywood DL-13, Wand- und Deckeneinbaulautsprecher, Ø136mm, 60W, weiß

CHF 8.90

Available · 2 piece · 2-5 Tage

VG09102 Lautsprecher-Steckverbinder mono, Klemme für Frontplatten, 45mm Rastermaß, 3mm Schraublöcher VG09102 Lautsprecher-Steckverbinder mono, Klemme für Frontplatten, 45mm Rastermaß, 3mm Schraublöcher
CHANGZHOU DAHUA IMP AND EXP (GROUP) CO
VG09102
VG09102 Lautsprecher-Steckverbinder mono, Klemme für Frontplatten, 45mm Rastermaß, 3mm Schraublöcher

CHF 0.50

Available · 10 piece · 2-5 Tage

New
VISATON Exciter Lautsprecher Körperschallwandler, ohne Membran, 10W, 8Ohm, 46x46x17mm VISATON Exciter Lautsprecher Körperschallwandler, ohne Membran, 10W, 8Ohm, 46x46x17mm
VISATON
4501
VISATON Exciter Lautsprecher Körperschallwandler, ohne Membran, 10W, 8Ohm, 46x46x17mm

CHF 39.90

Available · 1 piece · 2-5 Tage

Stepper motor, NEMA 15, 29 oz.in, 200 steps/revolution, threaded shaft Stepper motor, NEMA 15, 29 oz.in, 200 steps/revolution, threaded shaft
SparkFun
ROB-10848
Stepper motor, NEMA 15, 29 oz.in, 200 steps/revolution, threaded shaft

CHF 44.65

Available · 11 piece · 2-5 Tage

M5Stack Servo Kit 360° M5Stack Servo Kit 360°
M5Stack
M5-A076-C
M5Stack Servo Kit 360°

CHF 10.80

Available · 2 piece · 2-5 Tage

Top Brands

What are electromagnetic components?

Electromagnetic components are parts that convert electrical energy into mechanical motion, sound, or force. They are based on the interaction between electric current and a magnetic field. These components play a central role in microcontroller technology, as they translate digital control signals into physical actions.

Typical examples include motors, servos, pumps, relays, loudspeakers, and microphones. They are used wherever motion is generated, fluids are conveyed, or sound is produced or detected.

In combination with microcontrollers such as Arduino, ESP32, or Raspberry Pi Pico, they enable the implementation of automated systems, robotics applications, smart home solutions, or measurement and control tasks. The microcontroller handles the logic, while electromagnetic components perform the desired function.

Micro servo as an electromagnetic component
Electromagnetic valve and pump

Application with microcontrollers

When using electromagnetic components with microcontrollers, electrical control is crucial. Since motors, pumps, or loudspeakers usually require higher currents or voltages than a microcontroller can supply, driver circuits such as transistors, MOSFETs, H-bridges, or relay modules are used.

Control is typically carried out via digital GPIO pins or PWM signals to regulate speed, position, or power. Servo motors, for example, use a PWM signal for precise angular positioning, while DC motors are controlled in terms of speed via motor drivers.

For sensing and audio applications, microphones are used that provide analog or digital signals. These can be evaluated directly via ADC pins or digital interfaces such as I2S or SPI. Clean power supply and proper decoupling are important to avoid interference caused by electromagnetic fields.

Commonly used electromagnetic components

The following electromagnetic components are particularly commonly used in microcontroller projects:

  • Motors & servos for motion, positioning, and robotics applications.
  • Pumps for conveying liquids or air in automation and dosing systems.
  • Loudspeakers for acoustic signals, audio output, and voice output.
  • Microphones for capturing sounds, speech, or ambient noise levels.

These components form the interface between software and the real world and are essential for interactive and automated microcontroller projects.

Electret microphone for microcontrollers

FAQ – Electromagnetic components

What is meant by electromagnetic components?
These are electronic components that use electromagnetic fields to convert electrical energy into motion, force, or sound, or vice versa.
Which motors can be controlled directly with a microcontroller?
Servo motors can usually be controlled directly via a PWM signal. DC motors and stepper motors generally require additional motor drivers.
What is the difference between a DC motor, servo motor, and stepper motor?
DC motors rotate continuously, servo motors move to defined angular positions, and stepper motors move in precisely defined steps.
Which loudspeakers can be connected directly to a microcontroller?
Small piezo or mini loudspeakers can be used directly. Larger loudspeakers require an audio amplifier.
Analog vs. digital microphone – which is better for my project?
Analog microphones are easy to connect and flexible. Digital microphones offer more stable signal quality and are particularly suitable for audio and speech processing.