Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 Devkit V1 microcontroller, a 4-channel relay module, multiple pushbuttons, a PIR motion sensor, an LED, bulbs, an AC source, and sockets. The circuit is designed to control various devices through the ESP32, with inputs from pushbuttons and a PIR motion sensor, and outputs to relays and an LED.

Component List

1. ESP32 Devkit V1

   • Description: A microcontroller with Wi-Fi and Bluetooth capabilities.
   • Pins: 3V3, GND, D15, D2, D4, RX2, TX2, D5, D18, D19, D21, RX0, TX0, D22, D23, EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, VIN

2. Relay 4 Channel 5v

   • Description: A relay module that allows control of high voltage devices.
   • Pins: GND, IN1, IN2, IN3, IN4, VCC, COM1, COM2, COM3, COM4, NO1, NO2, NO3, NO4, NC1, NC2, NC3, NC4

3. Pushbutton

   • Description: A simple pushbutton switch.
   • Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

4. PIR Motion Sensor (Wokwi Compatible)

   • Description: A motion sensor that detects infrared radiation.
   • Pins: VCC, OUT, GND

5. GND

   • Description: Ground connection.
   • Pins: GND

6. LED: Two Pin (green)

   • Description: A green LED.
   • Pins: cathode, anode

7. Bulb

   • Description: A standard light bulb.
   • Pins: GND, power

8. AC Source

   • Description: An AC power source.
   • Pins: +, -

9. Socket

   • Description: A standard electrical socket.
   • Pins: earth, life, neutral

Wiring Details

ESP32 Devkit V1

• 3V3 connected to:

  • Relay 4 Channel 5v (VCC)
  • PIR Motion Sensor (Wokwi Compatible) (VCC)

• D2 connected to:

  • LED: Two Pin (green) (anode)

• D19 connected to:

  • Relay 4 Channel 5v (IN4)

• D21 connected to:

  • Relay 4 Channel 5v (IN3)

• D22 connected to:

  • Relay 4 Channel 5v (IN2)

• D23 connected to:

  • Relay 4 Channel 5v (IN1)

• D34 connected to:

  • PIR Motion Sensor (Wokwi Compatible) (OUT)

• D27 connected to:

  • Pushbutton (Pin 3 (out))

• D14 connected to:

  • Pushbutton (Pin 3 (out))

• D12 connected to:

  • Pushbutton (Pin 3 (out))

• D13 connected to:

  • Pushbutton (Pin 3 (out))

• GND connected to:

  • Pushbutton (Pin 2 (in))
  • LED: Two Pin (green) (cathode)
  • GND (GND)
  • Pushbutton (Pin 2 (in))
  • Pushbutton (Pin 2 (in))
  • Pushbutton (Pin 2 (in))
  • Relay 4 Channel 5v (GND)
  • PIR Motion Sensor (Wokwi Compatible) (GND)

Relay 4 Channel 5v

• VCC connected to:

  • ESP32 Devkit V1 (3V3)

• IN1 connected to:

  • ESP32 Devkit V1 (D23)

• IN2 connected to:

  • ESP32 Devkit V1 (D22)

• IN3 connected to:

  • ESP32 Devkit V1 (D21)

• IN4 connected to:

  • ESP32 Devkit V1 (D19)

• GND connected to:

  • ESP32 Devkit V1 (GND)

• COM1 connected to:

  • Socket (life)

• COM2 connected to:

  • Socket (life)

• COM3 connected to:

  • Bulb (power)

• COM4 connected to:

  • Bulb (power)

• NO1 connected to:

  • AC Source (+)

• NO2 connected to:

  • AC Source (+)

• NO3 connected to:

  • AC Source (+)

• NO4 connected to:

  • AC Source (+)

Pushbutton

• Pin 3 (out) connected to:

  • ESP32 Devkit V1 (D27)
  • ESP32 Devkit V1 (D14)
  • ESP32 Devkit V1 (D12)
  • ESP32 Devkit V1 (D13)

• Pin 2 (in) connected to:

  • ESP32 Devkit V1 (GND)

PIR Motion Sensor (Wokwi Compatible)

• VCC connected to:

  • ESP32 Devkit V1 (3V3)

• OUT connected to:

  • ESP32 Devkit V1 (D34)

• GND connected to:

  • ESP32 Devkit V1 (GND)

LED: Two Pin (green)

• anode connected to:

  • ESP32 Devkit V1 (D2)

• cathode connected to:

  • ESP32 Devkit V1 (GND)

Bulb

• power connected to:

  • Relay 4 Channel 5v (COM3)
  • Relay 4 Channel 5v (COM4)

• GND connected to:

  • AC Source (-)

AC Source

• + connected to:

  • Relay 4 Channel 5v (NO1)
  • Relay 4 Channel 5v (NO2)
  • Relay 4 Channel 5v (NO3)
  • Relay 4 Channel 5v (NO4)

• - connected to:

  • Bulb (GND)

Socket

• life connected to:

  • Relay 4 Channel 5v (COM1)
  • Relay 4 Channel 5v (COM2)

• neutral connected to:

  • AC Source (-)
  • Bulb (GND)

Documented Code

No code is provided for this circuit.