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A great replacement for door open button or other switches of devices
frequency bands
This Normally open vibration sensor module is for a variety of vibration trigger function
Operating Voltage 220V AC Colour Green Maximum Current 20mA Length 50 mm Lower Diameter 20 mm Upper Diameter 28 mm Insulated resistance 2 Mohms Continual working life 30000 hours
Electric Heater
ESP32 CAM WiFi Bluetooth Module with OV2640 Camera Module Push Buttons A great replacement for doorThe ESP32 CAM WiFi Module Bluetooth with OV2640 Camera Module 2MP has a very small size camera module that can operate independently as a minimum system. It has a footprint of 40x27 mm. ESP32 CAM is a WIFI and Bluetooth dual mode development board that uses PCB onboard antennas and cores based on ESP32 chips. The ESP integrates WIFI, traditional Bluetooth, and BLE Beacon, with 2 high performance 32 bit LX6 CPUs, 7 stage pipeline architecture, main