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The Seeed Studio Grove Ear-clip/Finger-clip Heart Rate Sensor offers a simple
Broad serial connectivity - Includes USART/UART
safe for human-robot collaborative workspaces
HRS connector datasheet
Rotating mechanisms that need slip ring power and data continuity
M5Stack Stopwatch Dev Kit (ESP32-S3) HT-HC01 The Seeed Studio Grove Ear-clip/Finger-clipM5Stack Stopwatch Dev Kit (ESP32 S3) is a portable round development board built for interactive embedded projects, compact smart devices, and lightweight IoT terminals. Based on the official M5Stack product information, it combines an ESP32 S3R8 controller with 16MB Flash, 8MB PSRAM, a 1. 75 inch AMOLED round touch display, onboard audio, motion sensing, RTC, and battery powered operation in a compact handheld form factor. This kit is positioned for
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