M5Stack Chain Buzzer Output Node with Programmable RGB LED STM32G031G8U6 MCU UART Serial Daisy-Chain HY2.0-4P Expansion

1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specification MCUSTM32G031G8U6Input PowerDC 5VCommunicationUART 115200bps 8N1Interface2 x HY2 0 4PBuzzerMLT 5020RGB LED1 x WS2812CWorking Power5V 198 3mA buzzer duty cycle 50 frequency 9 9kHz Working Temp0 40°CProduct Size23 9 x 23 9 x 16 0mmProduct Weight5 9g Introduction 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 Features1 Built in buzzer delivers clear audio output ideal for audible notifications device status alerts and smart home alarms 2 Programmable RGB LED enables richer audio visual interactive applications 3 Integrates STM32G031G8U6 core MCU serving as a buzzer output node in the M5Stack Chain series 4 Adopts UART serial daisy chain communication protocol for flexible connection of multiple Chain series devices 5 Features 2 x HY2 0 4P expansion ports allowing additional Chain series devices to be connected Package included1 x Chain Buzzer1 x Chain Bridge