m5stackM5Stack· Mechanics & transmission
Chain Buzzer
Manufacturer part no. U224
$6.50≈ 5.71 €
Price summary
Listed by m5stack at €5.71. Delivered to France, including shipping, VAT and any customs duty, it comes to about €24.85. Prices last checked on 2026-09-29.
Delivered cost is an estimate for a single item shipped to mainland France; the seller's checkout is authoritative.
In stock
Estimated landed cost
| Item | €5.71 |
|---|---|
| Shipping | €15.00 |
| VAT (20%) | €4.14 |
| Total delivered | €24.85 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.
Specifications (automatically extracted)
Mechanical
| Weight | 12 g |
Description
Chain Buzzer Overview Chain Buzzer is a buzzer output node in the M5Stack Chain series. It features a built-in buzzer and programmable RGB LED, making it suitable for audible notifications, status alerts, smart home alarms, and other applications. It integrates an STM32G031G8U6 core MCU and uses a UART serial daisy-chain communication protocol. Two HY2.0-4P expansion ports allow additional Chain series devices to be connected, enabling richer audio-visual interactive applications. Buzzer, RGB LED, and Daisy-Chain Features M5Stack Chain series Buzzer audio output STM32G031G8U6 core MCU 1 x RGB LED UART serial daisy-chain communication protocol 2 x HY2.0-4P expansion ports for connecting Chain series devices What Is Included with Chain Buzzer 1 x Chain Buzzer 1 x Chain Bridge Applications for Alerts and Smart Home Alarms Audible notifications Device status alerts Smart home alarms Chain Buzzer Technical Specifications Specification Parameter MCU STM32G031G8U6 Input Power DC 5V Communication UART 115200bps@8N1 Interface 2 x HY2.0-4P Buzzer MLT-5020 RGB LED 1 x WS2812C Working Power [email protected] (buzzer duty cycle 50%, frequency 9.9kHz) Working Temp 0 ~ 40°C Product Size 23.9 x 23.9 x 16.0mm Product Weight 5.9g Package Size 138.0 x 93.0 x 17.0mm Gross Weight 9.2g Learn and Documents → DOCUMENTS