Circuit Documentation

Summary

This circuit integrates an Arduino UNO microcontroller with various sensors and modules, including a WS2812 RGB LED strip, an RCWL-0516 Microwave Radar Motion Sensor Module, an Adafruit BH1750 light sensor, a tactile switch button, and a 9V battery for power. The circuit is designed to detect motion, measure light intensity, and control an RGB LED strip based on the sensor inputs.

Component List

1. Arduino UNO

   • Description: A microcontroller board based on the ATmega328P.
   • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

2. WS2812 RGB LED strip

   • Description: An addressable RGB LED strip.
   • Pins: DIN, 5V, GND, DO

3. RCWL-0516 Microwave Radar Motion Sensor Module

   • Description: A motion sensor module that uses microwave radar technology.
   • Pins: CDS, VIN, OUT, GND, 3V3

4. Resistor

   • Description: A 220 Ohm resistor.
   • Pins: pin1, pin2
   • Properties: Resistance: 220 Ohms

5. Tactile Switch Buttons - 12mm Square

   • Description: A 12mm square tactile switch button.
   • Pins: 3, 1, 4, 2

6. Adafruit BH1750

   • Description: A digital light sensor.
   • Pins: VCC, 3.3V, GND, SCL, SDA, ADDR

7. 9V Battery

   • Description: A 9V battery for power supply.
   • Pins: -, +

Wiring Details

Arduino UNO

• 5V connected to:

  • RCWL-0516 Microwave Radar Motion Sensor Module (VIN)
  • WS2812 RGB LED strip (5V)
  • Adafruit BH1750 (VCC)

• GND connected to:

  • 9V Battery (-)
  • RCWL-0516 Microwave Radar Motion Sensor Module (GND)
  • WS2812 RGB LED strip (GND)
  • Tactile Switch Buttons - 12mm Square (1)
  • Adafruit BH1750 (GND)

• Vin connected to:

  • 9V Battery (+)

• SCL connected to:

  • Adafruit BH1750 (SCL)

• SDA connected to:

  • Adafruit BH1750 (SDA)

• D13 connected to:

  • Resistor (pin1)

• D3 connected to:

  • Tactile Switch Buttons - 12mm Square (4)

• D2 connected to:

  • RCWL-0516 Microwave Radar Motion Sensor Module (OUT)

WS2812 RGB LED strip

• DIN connected to:
  • Resistor (pin2)

RCWL-0516 Microwave Radar Motion Sensor Module

• VIN connected to:

  • Arduino UNO (5V)

• GND connected to:

  • Arduino UNO (GND)

• OUT connected to:

  • Arduino UNO (D2)

Resistor

• pin1 connected to:

  • Arduino UNO (D13)

• pin2 connected to:

  • WS2812 RGB LED strip (DIN)

Tactile Switch Buttons - 12mm Square

• 1 connected to:

  • Arduino UNO (GND)

• 4 connected to:

  • Arduino UNO (D3)

Adafruit BH1750

• VCC connected to:

  • Arduino UNO (5V)

• GND connected to:

  • Arduino UNO (GND)

• SCL connected to:

  • Arduino UNO (SCL)

• SDA connected to:

  • Arduino UNO (SDA)

9V Battery

• - connected to:

  • Arduino UNO (GND)

• + connected to:

  • Arduino UNO (Vin)

Documented Code

Arduino UNO Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation (documentation.txt)

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and the code used in the Arduino UNO microcontroller.