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ESP32 WROOM IE ESP32 DEVKITC Core Board for Arduino 18650 2200mAh 3.7v Cylinder Battery the hard anodize coating on the hard anodize coating on the 6061 T6 aluminum alloy provides excellent corrosion resistance suitable for outdoor deployment Ultrasonic sensor module Support for OTA firmware updates over WiFi allowing remote device management and feature updates without physical access Smart Home Automation Systems where the board controls lighting
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