Passive Piezo Buzzer 3–12V 12mm Arduino Component
0,79 €Passive piezo buzzer for Arduino, ESP32 and electronics projects. Compact component for tones, alarms, status notifications and IoT projects.
Actuators are essential components in IoT, smart home, and embedded systems. While sensors collect data, actuators convert this information into concrete actions.
Typical examples include switching relays, controlling motors, and activating lighting or acoustic signals.
In this category, you will find a wide range of actuators for microcontrollers such as ESP32, ESP8266, RP2040, and Arduino-compatible boards.
Many modules can be controlled easily through digital or analog interfaces, enabling flexible integration into custom projects.
Typical applications include automation systems, robotics, smart home solutions, as well as IoT and prototyping projects.
Tip: Use the subcategories to quickly find the right actuator for your application.
Actuators convert data into actions – ideal for IoT, smart home, and automation projects.
“`
Typical examples include relays, motors, and lighting control.
They can easily be controlled using ESP32, ESP8266, RP2040, or Arduino boards.
Typical applications include automation, robotics, and smart home projects.
Tip: Use the subcategories to quickly find the right actuator.
“`
Showing all 15 resultsSorted by popularity


Passive piezo buzzer for Arduino, ESP32 and electronics projects. Compact component for tones, alarms, status notifications and IoT projects.


Compact 8 Ohm 2W mini speaker with cable for Arduino, ESP32 and DIY audio projects.


Compact SG90 Micro Servo 9g 0-360° for precise continuous rotation. Ideal for Arduino, Raspberry Pi, and robotics projects – lightweight, reliable, and easy to integrate.
💡 Many projects require multiple servos – get the quantity discount now.


Buzzer Shield for the Wemos D1 Mini for easily generating audible signals. Ideal for alarms, notifications, and IoT applications—plugs in directly.


WS2812B LED Panel 4×4 with 16 RGB LEDs. Perfect for WLED, Arduino, and ESP32 projects – ideal for animations, displays, and smart lighting.


Mini submersible pump (vertical) for DC 3V–6V, 3W power. Ideal for fountains, aquariums, and small irrigation projects. Includes 1m silicone tube.


Addressable WS2812B LED strip with 8 individually controllable LEDs on a 14 cm length. 5V DC, compatible with Arduino and Raspberry Pi. Available with Dupont connectors or standard connector.
incl. VAT
plus shipping
Select options This product has multiple variants. The options may be chosen on the product page

Compact SG90 Micro Servo 9g 0-180° for precise motion control. Ideal for Arduino, Raspberry Pi, and robotics projects – lightweight, reliable, and easy to integrate.
💡 Many projects require multiple servos – get the quantity discount now.


The Carson Modellsport Cup Brushed Electric Motor is a reliable brushed motor for RC cars and model vehicles. Ideal for beginners with sturdy construction, easy installation and good value for money.


The SONOFF MINIR4M is a Matter-certified Wi-Fi smart relay with an ESP32-C3 chip, 10A switching capacity, and Detach Relay mode—compatible with Alexa, Google Home, Apple Home, and the eWeLink app.


Passive piezo buzzer module for Arduino, ESP32 and C3 Mini. Available as breakout module or shield – ideal for tones, alarms and IoT projects.
incl. VAT
plus shipping
Select options This product has multiple variants. The options may be chosen on the product page

RGB LED Ring-12 WS2812 with 12 addressable LEDs for Arduino, ESP32 and creative lighting projects. Individually controllable, compact and ideal for smart lighting and DIY applications.


Powerful DC Motor Control Shield BTN9970LV from Infineon with NovalithIC+™ technology. Ideal for robotics, automation and Arduino projects.


The M5Stack Vibration Motor Unit with N20 motor generates precise vibration signals for feedback, notifications and IoT applications.
The M5Stack HEX NeoPixel LED Board is a compact RGB LED panel with addressable LEDs for creative lighting projects, IoT applications and visual effects. Ideal for ESP32, M5Stack and DIY projects.
No products in the cart.

Wir verwenden Cookies, um unsere Website sicher zu betreiben und Ihr Einkaufserlebnis zu verbessern. Einige sind notwendig, andere helfen uns, Inhalte und Funktionen zu optimieren.
Sie entscheiden, welche Cookies Sie zulassen möchten. Weitere Informationen finden Sie in unserer Datenschutzerklärung.
✔ Sie behalten die volle Kontrolle über Ihre Daten