Circuit Documentation

Summary

This document provides a detailed overview of a circuit that integrates an ESP32-POE2 microcontroller with an 8 Channel Relay JD-VCC module. The ESP32-POE2 is used to control the relay channels, enabling or disabling them based on the GPIO pins' states. The circuit is designed to allow the ESP32-POE2 to manage multiple relay channels for various applications such as home automation, industrial control, and more.

Component List

ESP32-POE2

• Description: A powerful microcontroller with built-in Wi-Fi and Ethernet capabilities, suitable for IoT applications.
• Pins:
  • 12/24V Selectable
  • 5VP
  • 5V
  • 3.3V
  • EN
  • GPIO0
  • GPIO1/U0TXD
  • GPIO2/HS2_DATA0
  • GPIO3/U0RXD
  • GPIO4/U1TXD
  • GPIO5/SPI_CS
  • GPIO12/PHY_PWR (MTDI)
  • GPIO13/12C-SDA (MTCK)
  • GND
  • GPI39
  • GPI36/U1RXD
  • GPI35
  • GPI34/BUT1
  • GPIO33
  • GPIO32
  • GPIO16/I2C-SCL
  • GPIO15/HS2_CMD(MTDO)
  • GPIO14/HS2_CLK(MTMS)
  • GPIO13/I2C-SDA(MTCK)

8 Channel Relay JD-VCC

• Description: A relay module with 8 channels, allowing for the control of high-power devices using low-power signals.
• Pins:
  • JD-VCC
  • VCC
  • GND
  • In8
  • In7
  • In6
  • In5
  • In4
  • In3
  • In2
  • In1
  • In1_NC
  • IN1_COM
  • IN1_NO
  • IN2_NC
  • IN2_COM
  • IN2_NO
  • IN3_NC
  • IN3_COM
  • IN3_NO
  • IN4_NC
  • IN4_COM
  • IN4_NO
  • IN5_NC
  • IN5_COM
  • IN5_NO
  • IN6_NC
  • IN6_COM
  • IN6_NO
  • IN7_NC
  • IN7_COM
  • IN7_NO
  • IN8_NC
  • IN8_COM
  • IN8_NO

Wiring Details

ESP32-POE2

• 5V is connected to VCC of the 8 Channel Relay JD-VCC.
• GPIO1/U0TXD is connected to In1 of the 8 Channel Relay JD-VCC.
• GPIO2/HS2_DATA0 is connected to In2 of the 8 Channel Relay JD-VCC.
• GPIO3/U0RXD is connected to In3 of the 8 Channel Relay JD-VCC.
• GPIO4/U1TXD is connected to In4 of the 8 Channel Relay JD-VCC.
• GPIO5/SPI_CS is connected to In5 of the 8 Channel Relay JD-VCC.
• GPIO13/12C-SDA (MTCK) is connected to In6 of the 8 Channel Relay JD-VCC.
• GPIO14/HS2_CLK(MTMS) is connected to In7 of the 8 Channel Relay JD-VCC.
• GPIO15/HS2_CMD(MTDO) is connected to In8 of the 8 Channel Relay JD-VCC.
• GND is connected to GND of the 8 Channel Relay JD-VCC.

8 Channel Relay JD-VCC

• VCC is connected to 5V of the ESP32-POE2.
• In1 is connected to GPIO1/U0TXD of the ESP32-POE2.
• In2 is connected to GPIO2/HS2_DATA0 of the ESP32-POE2.
• In3 is connected to GPIO3/U0RXD of the ESP32-POE2.
• In4 is connected to GPIO4/U1TXD of the ESP32-POE2.
• In5 is connected to GPIO5/SPI_CS of the ESP32-POE2.
• In6 is connected to GPIO13/12C-SDA (MTCK) of the ESP32-POE2.
• In7 is connected to GPIO14/HS2_CLK(MTMS) of the ESP32-POE2.
• In8 is connected to GPIO15/HS2_CMD(MTDO) of the ESP32-POE2.
• GND is connected to GND of the ESP32-POE2.

Code

No code is provided for this circuit.