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HC-06 / HC-09 Bluetooth Module — Serial Wireless
Metal Proximity Sensor Module — Pulse Induction Metal Detector
Bipolar stepper motor driving
Arduino Uno R3 — ATmega328P Development Board
and SD card slot for image storage
1 Channel Relay Module 5V — Arduino Compatible DC 12V Heat HC-06 / HC-09 Bluetooth Module1 Channel Relay Module 5V Single Channel Relay Board The 1 Channel Relay Module 5V is the simplest and most popular way to control high voltage AC or DC loads using a microcontroller like Arduino, ESP32, or Raspberry Pi. Whether you're building a smart home switch, an automated irrigation system, or an industrial control circuit, this relay module makes it effortless to switch mains powered devices safely from your 5V microcontroller. Technical
