Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a 4-channel relay module, multiple rocker switches, LEDs of various colors, an ESP32 microcontroller, an AC circuit breaker, a fuse, an HLK-PM12 power module, and an electrolytic capacitor. The circuit is designed to control the relays using the ESP32, with the relays in turn controlling the LEDs. The rocker switches are used to provide manual control inputs to the ESP32.

Component List

1. Relay 4 Channel 5v

   • Description: A relay module with 4 channels, each capable of switching high voltage devices.
   • Pins: GND, IN1, IN2, IN3, IN4, VCC, COM1, COM2, COM3, COM4, NO1, NO2, NO3, NO4, NC1, NC2, NC3, NC4

2. Rocker Switch (SPST)

   • Description: Single Pole Single Throw (SPST) rocker switch.
   • Pins: 1, 2

3. LED: Two Pin (blue)

   • Description: Blue LED with two pins.
   • Pins: cathode, anode

4. LED: Two Pin (green)

   • Description: Green LED with two pins.
   • Pins: cathode, anode

5. LED: Two Pin (red)

   • Description: Red LED with two pins.
   • Pins: cathode, anode

6. LED: Two Pin (yellow)

   • Description: Yellow LED with two pins.
   • Pins: cathode, anode

7. ESP32 (30 pin)

   • Description: ESP32 microcontroller with 30 pins.
   • Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, Vin, D23, D22, TX0, RX0, D21, D19, D18, D5, TX2, RX2, D4, D2, D15, 3V3

8. AC Circuit Breaker

   • Description: AC circuit breaker for overcurrent protection.
   • Pins: GND, VOUT, VIN

9. Fuse

   • Description: Fuse for overcurrent protection.
   • Pins: Terminal 1, Terminal 2

10. HLK-PM12

    • Description: Power module for converting AC to DC.
    • Pins: +V0, -V0, AC

11. Electrolytic Capacitor

    • Description: Capacitor with a capacitance of 0.0001 Farads.
    • Pins: -, +

Wiring Details

Relay 4 Channel 5v

• GND is connected to:

  • GND of ESP32
  • -V0 of HLK-PM12
  • Pin 1 of all Rocker Switches
  • • pin of Electrolytic Capacitor

• VCC is connected to:

  • +V0 of HLK-PM12
  • Vin of ESP32
  • • pin of Electrolytic Capacitor

• IN1 is connected to D13 of ESP32

• IN2 is connected to D12 of ESP32

• IN3 is connected to D14 of ESP32

• IN4 is connected to D27 of ESP32

• COM1, COM2, COM3, COM4 are connected to VOUT of AC Circuit Breaker and Terminal 1 of Fuse

• NC1 is connected to anode of Red LED

• NC2 is connected to anode of Green LED

• NC3 is connected to anode of Blue LED

• NC4 is connected to anode of Yellow LED

Rocker Switch (SPST)

• Pin 1 is connected to:

  • GND of ESP32
  • -V0 of HLK-PM12
  • GND of Relay 4 Channel 5v
  • • pin of Electrolytic Capacitor

• Pin 2 is connected to:

  • D26 of ESP32
  • D25 of ESP32
  • D32 of ESP32
  • D33 of ESP32

LED: Two Pin (blue)

• cathode is connected to AC of HLK-PM12 and GND of AC Circuit Breaker
• anode is connected to NC3 of Relay 4 Channel 5v

LED: Two Pin (green)

• cathode is connected to AC of HLK-PM12 and GND of AC Circuit Breaker
• anode is connected to NC2 of Relay 4 Channel 5v

LED: Two Pin (red)

• cathode is connected to AC of HLK-PM12 and GND of AC Circuit Breaker
• anode is connected to NC1 of Relay 4 Channel 5v

LED: Two Pin (yellow)

• cathode is connected to AC of HLK-PM12 and GND of AC Circuit Breaker
• anode is connected to NC4 of Relay 4 Channel 5v

ESP32 (30 pin)

• GND is connected to:

  • GND of Relay 4 Channel 5v
  • -V0 of HLK-PM12
  • Pin 1 of all Rocker Switches
  • • pin of Electrolytic Capacitor

• Vin is connected to:

  • +V0 of HLK-PM12
  • VCC of Relay 4 Channel 5v
  • • pin of Electrolytic Capacitor

• D13 is connected to IN1 of Relay 4 Channel 5v

• D12 is connected to IN2 of Relay 4 Channel 5v

• D14 is connected to IN3 of Relay 4 Channel 5v

• D27 is connected to IN4 of Relay 4 Channel 5v

• D26 is connected to Pin 2 of Rocker Switch

• D25 is connected to Pin 2 of Rocker Switch

• D32 is connected to Pin 2 of Rocker Switch

• D33 is connected to Pin 2 of Rocker Switch

AC Circuit Breaker

• GND is connected to:

  • cathode of Blue LED
  • cathode of Green LED
  • cathode of Yellow LED
  • cathode of Red LED
  • AC of HLK-PM12

• VOUT is connected to:

  • COM1, COM2, COM3, COM4 of Relay 4 Channel 5v
  • Terminal 1 of Fuse

Fuse

• Terminal 1 is connected to VOUT of AC Circuit Breaker and COM1, COM2, COM3, COM4 of Relay 4 Channel 5v
• Terminal 2 is connected to AC of HLK-PM12

HLK-PM12

• +V0 is connected to:

  • Vin of ESP32
  • VCC of Relay 4 Channel 5v
  • • pin of Electrolytic Capacitor

• -V0 is connected to:

  • GND of ESP32
  • GND of Relay 4 Channel 5v
  • Pin 1 of all Rocker Switches
  • • pin of Electrolytic Capacitor

• AC is connected to:

  • cathode of Blue LED
  • cathode of Green LED
  • cathode of Yellow LED
  • cathode of Red LED
  • GND of AC Circuit Breaker
  • Terminal 2 of Fuse

Electrolytic Capacitor

• - is connected to:

  • GND of ESP32
  • GND of Relay 4 Channel 5v
  • -V0 of HLK-PM12
  • Pin 1 of all Rocker Switches

• + is connected to:

  • Vin of ESP32
  • VCC of Relay 4 Channel 5v
  • +V0 of HLK-PM12

Code

No code is provided for this circuit.