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Battery Power Failure Automatic Charging Control Board Power Supply Automatic Switching Module Emergency Circuit Breaker Module

BZGNSS BZ 121 BZ 181 BZ 251 Dual Protocol GPS Positioning Module Suitable FPV Out Of Control Rescue Fixed-wing Crossing Drones

HLK-LD2410 5V Mini High Sensitivity 24GHz Human Presence Status Sensor Radar Module

LoRa 868MHz 915MHz LLCC68 Wireless Module 22dBm Long Range 5km CDEBYTE E220-900T22D SMA-K UART RSSI Transmitter Receiver DIP

SAIVXIAN Fiber optic cleaning pen SC/FC/ST/LC/MU end face cleaner cleaning tool optical module cleaning adapter flange coupler

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Wifi6 ESP32 C6 Development Board RISC-V 32-Bit ESP32-C6 N4 BT Wifi Module with Crystal Oscillator RGB LED 4MB FLASH USB Type-C

433mhz 220v LED Dimmer Switch Brightness Adjustable Module Support 2 Way control Push Button switch For 10~150W LED and Halogen

ESP32-S3 Supermini Development Board Ultra-Small WiFi Bluetooth 5.0 for Arduino Micropython ESP32 S3 ESP32-S3FH4R2

LD2410C 24GHz Human Presence Sensor FMCW Wave Radar Induction Module Body Heartbeat Detection Sensors High Accuracy