M5Stack Chain PIR Human Presence Sensor STM32G031G8U6 UART Daisy-Chain Communication Programmable RGB LEDHY2.0-4P Expa

1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0SpecificationMCUSTM32G031G8U6Power InputDC 5VCommunicationUART 115200bps 8N1Interface2 x HY2 0 4PRGB LED1 x WS2812CSensorAS312 Pyroelectric Infrared SensorMaximum Detection Distance2 4mDetection Angle±60°Detection Interval2sOperating Power Consumption5V 10 74mAProduct Size23 9 x 23 9 x 22 3mmProduct Weight6 8g Introduction Chain PIR is a pyroelectric infrared human presence sensing node in the M5Stack Chain series It features a built in pyroelectric infrared sensor and an integrated programmable RGB LED It is suitable for applications such as human activity detection smart home automation and security alarms Chain PIR integrates an STM32G031G8U6 data processor and uses a UART serial daisy chain communication protocol Its two HY2 0 4P expansion interfaces allow additional Chain series devices to be connected enabling richer interactive applications Features1 Built in pyroelectric infrared sensor enables accurate human presence monitoring ideal for human activity scenarios smart home automation and security alarms 2 Integrated STM32G031G8U6 main controller delivers stable and reliable data processing performance 3 UART serial daisy chain communication protocol with two HY2 0 4P expansion interfaces supports connecting additional Chain series devices 4 Built in programmable RGB LED provides intuitive status indication and interactive feedback 5 Two operating modes automatic reporting mode sends data w