Smart Home Automation Forum - T32M

T32M Smart Controller Wiring Examples

Mon, 20 Apr 2026 13:32:09 +0800

T32M_wiring.jpg (Size: 250.11 KB / Downloads: 71)

T32M Smart Controller ESP32 system block diagram

Mon, 20 Apr 2026 13:31:12 +0800

KinCony-T32M-smart-controller-diagram.png (Size: 733.98 KB / Downloads: 60)

[arduino code examples for T32M]-07 read analog input ports

Mon, 23 Jun 2025 13:28:47 +0800

Code:
/*

 * Made by KinCony IoT: https://www.kincony.com

 *

 * Description:

 * This Arduino program reads analog values from four analog input pins (A1, A2, A3, A4)

 * and prints the values to the Serial Monitor. The analog inputs are defined with specific

 * GPIO pins and the program reads the voltage levels from these pins every 2 seconds.

 *

 * Pin Definitions:

 * - A1: GPIO 7

 * - A2: GPIO 6

 * - A3: GPIO 5

 * - A4: GPIO 4

 */

#define ANALOG_A1   7   // Define GPIO pin for analog input A1

#define ANALOG_A2   6   // Define GPIO pin for analog input A2

#define ANALOG_A3   5   // Define GPIO pin for analog input A3

#define ANALOG_A4   4   // Define GPIO pin for analog input A4

void setup()

{

    Serial.begin(115200); // Initialize serial communication at 115200 baud rate

    delay(500); // Short delay to allow serial communication to start

    pinMode(ANALOG_A1, INPUT); // Set GPIO 5 as an input for analog signal A1

    pinMode(ANALOG_A2, INPUT); // Set GPIO 7 as an input for analog signal A2

    pinMode(ANALOG_A3, INPUT); // Set GPIO 6 as an input for analog signal A3

    pinMode(ANALOG_A4, INPUT); // Set GPIO 4 as an input for analog signal A4

}

void loop()

{

    // Read and print analog values from the defined pins

    Serial.print("A1="); 

    Serial.println(analogRead(ANALOG_A1)); // Read and print the value from A1

    Serial.print("A2=");

    Serial.println(analogRead(ANALOG_A2)); // Read and print the value from A2

    Serial.print("A3=");

    Serial.println(analogRead(ANALOG_A3)); // Read and print the value from A3

    Serial.print("A4=");

    Serial.println(analogRead(ANALOG_A4)); // Read and print the value from A4

    delay(2000); // Wait for 2 seconds before the next reading

}

arduino ino file download:

7-analog-input.zip (Size: 768 bytes / Downloads: 408)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

7-analog-input.ino.merged.zip (Size: 187.2 KB / Downloads: 403)

[arduino code examples for T32M]-06 digital INPUT trigger OUTPUT directly

Mon, 23 Jun 2025 13:27:35 +0800

Code:
/*

 * Made by KinCony IoT: https://www.kincony.com

 *

 * This program reads 32 input states from two PCF8575 I/O expanders

 * and controls 32 relays via another two PCF8575 I/O expanders.

 * When an input pin is LOW, the corresponding relay is turned ON (active LOW).

 * When the input pin is HIGH, the corresponding relay is turned OFF.

 *

 * I2C Bus-1 Pin Definitions:

 * - SDA: GPIO 48

 * - SCL: GPIO 47

 * 

 * I2C Addresses:

 * - Output1-16:  0x20

 * - Output17-32: 0x21

 * - Input1-16:   0x24

 * - Input17-32:  0x25

 */

#include 

#include 

// Define I2C pins

#define I2C_SDA 48

#define I2C_SCL 47

// PCF8575 I2C addresses

#define OUTPUT1_ADDR 0x20

#define OUTPUT2_ADDR 0x21

#define INPUT1_ADDR  0x24

#define INPUT2_ADDR  0x25

// Create PCF8575 objects

PCF8575 pcf8575_IN1(INPUT1_ADDR);   // Inputs 1~16

PCF8575 pcf8575_IN2(INPUT2_ADDR);   // Inputs 17~32

PCF8575 pcf8575_OUT1(OUTPUT1_ADDR); // Outputs 1~16

PCF8575 pcf8575_OUT2(OUTPUT2_ADDR); // Outputs 17~32

void setup() {

  // Initialize I2C with defined SDA and SCL

  Wire.begin(I2C_SDA, I2C_SCL);

  // Start serial communication

  Serial.begin(115200);

  // Initialize all PCF8575 devices

  pcf8575_IN1.begin();

  pcf8575_IN2.begin();

  pcf8575_OUT1.begin();

  pcf8575_OUT2.begin();

  // Turn off all relays at start (LOW = OFF)

  for (int i = 0; i < 16; i++) {

    pcf8575_OUT1.write(i, HIGH);  // HIGH means OFF for relay

    pcf8575_OUT2.write(i, HIGH);

  }

  Serial.println("System started: 32 inputs controlling 32 relays");

}

void loop() {

  uint32_t inputState = 0;

  // Read inputs 1~16

  for (int i = 0; i < 16; i++) {

    if (pcf8575_IN1.read(i)) {

      inputState |= (1UL << i);

    }

  }

  // Read inputs 17~32

  for (int i = 0; i < 16; i++) {

    if (pcf8575_IN2.read(i)) {

      inputState |= (1UL << (i + 16));

    }

  }

  // Control outputs 1~16

  for (int i = 0; i < 16; i++) {

    if (inputState & (1UL << i)) {

      pcf8575_OUT1.write(i, HIGH);  // Input HIGH -> Relay OFF

    } else {

      pcf8575_OUT1.write(i, LOW);   // Input LOW -> Relay ON

    }

  }

  // Control outputs 17~32

  for (int i = 0; i < 16; i++) {

    if (inputState & (1UL << (i + 16))) {

      pcf8575_OUT2.write(i, HIGH);  // Input HIGH -> Relay OFF

    } else {

      pcf8575_OUT2.write(i, LOW);   // Input LOW -> Relay ON

    }

  }

  delay(500);

}

arduino ino file download:

6-input-trigger-output.zip (Size: 1 KB / Downloads: 400)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

6-input-trigger-output.ino.merged.zip (Size: 181.75 KB / Downloads: 402)

[arduino code examples for T32M]-05 Ethernet W5500 chip work with TCP Server mode

Mon, 23 Jun 2025 13:25:02 +0800

Code:
/*

 * Made by KinCony IoT: https://www.kincony.com

 *

 * This Arduino program sets up an ESP32-S3 with a W5500 Ethernet module

 * as a TCP server. It listens on port 4196 and echoes back any string 

 * received from a client.

 *

 * Hardware connections:

 * - CLK: GPIO42

 * - MOSI: GPIO43

 * - MISO: GPIO44

 * - CS: GPIO41

 * - RST: GPIO1

 * - INT: GPIO2

 *

 * Static IP address: 192.168.3.55

 * Subnet Mask: 255.255.255.0

 * Gateway: 192.168.3.1

 * DNS: 192.168.3.1

 */

#include 

#include 

// Define the W5500 Ethernet module pins

#define W5500_CS_PIN  41

#define W5500_RST_PIN 1

#define W5500_INT_PIN 2

#define W5500_CLK_PIN 42

#define W5500_MOSI_PIN 43

#define W5500_MISO_PIN 44

// MAC address for your Ethernet shield (must be unique on your network)

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

// Static IP address configuration

IPAddress ip(192, 168, 3, 55);       // Static IP address

IPAddress subnet(255, 255, 255, 0);   // Subnet mask

IPAddress gateway(192, 168, 3, 1);    // Default gateway

IPAddress dns(192, 168, 3, 1);        // DNS server address

// Create an EthernetServer object to handle TCP connections

EthernetServer server(4196);

void setup() {

  // Initialize serial communication

  Serial.begin(115200);

  while (!Serial) {

    ; // Wait for serial port to connect

  }

  // Initialize the W5500 module

  pinMode(W5500_RST_PIN, OUTPUT);

  pinMode(W5500_INT_PIN, INPUT);

  digitalWrite(W5500_RST_PIN, LOW);  // Reset the W5500 module

  delay(100);                       // Wait for reset to complete

  digitalWrite(W5500_RST_PIN, HIGH); // Release reset

  // Initialize SPI with the correct pin definitions

  SPI.begin(W5500_CLK_PIN, W5500_MISO_PIN, W5500_MOSI_PIN);

  // Set up the Ethernet library with W5500-specific pins

  Ethernet.init(W5500_CS_PIN);

  // Start the Ethernet connection with static IP configuration

  Ethernet.begin(mac, ip, dns, gateway, subnet);

  // Print the IP address to the serial monitor

  Serial.print("IP Address: ");

  Serial.println(Ethernet.localIP());

  // Start listening for incoming TCP connections

  server.begin();

}

void loop() {

  // Check for incoming client connections

  EthernetClient client = server.available();

  if (client) {

    Serial.println("New client connected");

    // Read data from the client and echo it back

    while (client.connected()) {

      if (client.available()) {

        char c = client.read();

        server.write(c);

      }

    }

    // Close the connection when done

    client.stop();

    Serial.println("Client disconnected");

  }

}

arduino ino file download:

5-Ethernet-W5500.zip (Size: 1.23 KB / Downloads: 390)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

5-Ethernet-W5500.ino.merged.zip (Size: 191.08 KB / Downloads: 369)

[arduino code examples for T32M]-04 Read free GPIO state

Mon, 23 Jun 2025 13:23:13 +0800

Code:
/*

 * Made by KinCony IoT: https://www.kincony.com

 *

 * GPIO Status Monitoring

 *

 * This program monitors the status (high or low) of multiple GPIO pins on the ESP32-S3.

 * It prints the status of the pins to the serial monitor whenever a change is detected.

 *

 * GPIO Pins Monitored:

 * - GPIO 8

 * - GPIO 9

 * - GPIO 10

 * - GPIO 15

 * - GPIO 16

 * - GPIO 17

 * - GPIO 18

 * - GPIO 0

 *

 * Hardware Requirements:

 * - Connect the pins to appropriate devices or pull them to HIGH/LOW for testing

 */

#define GPIO_PIN_8 8

#define GPIO_PIN_9 9

#define GPIO_PIN_10 10

#define GPIO_PIN_15 15

#define GPIO_PIN_16 16

#define GPIO_PIN_17 17

#define GPIO_PIN_18 18

#define GPIO_PIN_0 0

// Store the previous state of the GPIO pins

bool prevState[8] = {false, false, false, false, false, false, false, false};

void setup() {

  // Initialize serial communication for debugging purposes

  Serial.begin(115200); // Initialize the serial monitor at 115200 baud

  while (!Serial);      // Wait for the serial monitor to open

  // Initialize GPIO pins as inputs

  pinMode(GPIO_PIN_8, INPUT);

  pinMode(GPIO_PIN_9, INPUT);

  pinMode(GPIO_PIN_10, INPUT);

  pinMode(GPIO_PIN_15, INPUT);

  pinMode(GPIO_PIN_16, INPUT);

  pinMode(GPIO_PIN_17, INPUT);

  pinMode(GPIO_PIN_18, INPUT);

  pinMode(GPIO_PIN_0, INPUT);

  Serial.println("GPIO Status Monitoring Started");

}

void loop() {

  // Read the current state of each GPIO pin

  bool currentState[8];

  currentState[0] = digitalRead(GPIO_PIN_8);

  currentState[1] = digitalRead(GPIO_PIN_9);

  currentState[2] = digitalRead(GPIO_PIN_10);

  currentState[3] = digitalRead(GPIO_PIN_15);

  currentState[4] = digitalRead(GPIO_PIN_16);

  currentState[5] = digitalRead(GPIO_PIN_17);

  currentState[6] = digitalRead(GPIO_PIN_18);

  currentState[7] = digitalRead(GPIO_PIN_0);

  // Check for changes in GPIO pin states

  for (int i = 0; i < 8; i++) {

    if (currentState[i] != prevState[i]) {

      // Print the pin number and its new state if it has changed

      Serial.print("GPIO ");

      Serial.print(i == 0 ? GPIO_PIN_8 : 

                   i == 1 ? GPIO_PIN_9 : 

                   i == 2 ? GPIO_PIN_10 : 

                   i == 3 ? GPIO_PIN_15 : 

                   i == 4 ? GPIO_PIN_16 : 

                   i == 5 ? GPIO_PIN_17 : 

                   i == 6 ? GPIO_PIN_18 : GPIO_PIN_0);

      Serial.print(" changed to ");

      Serial.println(currentState[i] ? "HIGH" : "LOW");

      // Update the previous state

      prevState[i] = currentState[i];

    }

  }

  // Delay to avoid flooding the serial monitor

  delay(100); // Adjust the delay as needed

}

arduino ino file download:

4-free-gpio-state.zip (Size: 1.04 KB / Downloads: 393)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

4-free-gpio-state.ino.merged.zip (Size: 181.77 KB / Downloads: 405)

[arduino code examples for T32M]-03 RS485 communication test

Mon, 23 Jun 2025 13:22:05 +0800

Code:
/*

 * Made by KinCony IoT: https://www.kincony.com

 *

 * RS485 Communication Test with Direction Control (SP3485EEN)

 *

 * This program is a simple test for RS485 communication using ESP32-S3.

 * It will send a message over RS485 and then read incoming messages.

 * The TXD pin is defined as GPIO 13, RXD is GPIO 21, and EN is GPIO 14.

 */

#include 

// Define RS485 pins

#define RS485_RXD 21     // RS485 Receive

#define RS485_TXD 13     // RS485 Transmit

#define RS485_EN  14     // RS485 Direction control (High: Send, Low: Receive)

// Create a hardware serial object on UART1

HardwareSerial rs485Serial(1);

void setup() {

  // Start serial communication for debugging

  Serial.begin(115200);

  while (!Serial);

  // Set RS485 direction control pin

  pinMode(RS485_EN, OUTPUT);

  digitalWrite(RS485_EN, LOW); // Start in receive mode

  // Initialize RS485 serial communication

  rs485Serial.begin(9600, SERIAL_8N1, RS485_RXD, RS485_TXD);

  Serial.println("RS485 Test Start (with direction control)");

}

void loop() {

  // Prepare the message to send

  String message = "Hello from KinCony T32M!";

  // Switch to transmit mode

  digitalWrite(RS485_EN, HIGH);

  delay(2); // Short delay to allow driver to switch

  // Send the message

  rs485Serial.println(message);

  rs485Serial.flush(); // Wait for transmission to complete

  // Switch back to receive mode

  digitalWrite(RS485_EN, LOW);

  Serial.println("Message sent. Waiting for response...");

  // Wait for a response (up to 1 second)

  unsigned long startTime = millis();

  while (millis() - startTime < 1000) {

    if (rs485Serial.available()) {

      String receivedMessage = "";

      while (rs485Serial.available()) {

        char c = rs485Serial.read();

        receivedMessage += c;

      }

      // Print the received message

      Serial.print("Received: ");

      Serial.println(receivedMessage);

      break;

    }

  }

  // Wait before sending the next message

  delay(2000);

}

arduino ino file download:

3-RS485-Test.zip (Size: 1.02 KB / Downloads: 422)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

3-RS485-Test.ino.merged.zip (Size: 186.67 KB / Downloads: 431)

[arduino code examples for T32M]-02 Read digital input ports state

Mon, 23 Jun 2025 13:20:52 +0800

Code:
/*

 * Made by KinCony IoT: https://www.kincony.com

 *

 * Description:

 * This Arduino program reads the state of two 16-channel PCF8575 I/O expanders

 * and prints the combined state of all 32 input pins to the Serial Monitor.

 * Each pin state is represented as a bit in a 32-bit value (printed in binary format).

 * 

 * Pin Definitions:

 * - SDA: GPIO 48

 * - SCL: GPIO 47

 * 

 * PCF8575 I2C Addresses:

 * - 0x24: input pins 1~16

 * - 0x25: input pins 17~32

 */

#include "Arduino.h"

#include "PCF8575.h"

#include 

// Define I2C pins

#define I2C_SDA 48  // SDA pin

#define I2C_SCL 47  // SCL pin

// Create PCF8575 instances

PCF8575 pcf8575_IN1(0x24); // Inputs 1~16

PCF8575 pcf8575_IN2(0x25); // Inputs 17~32

void setup() {

    Serial.begin(115200);

    // Initialize I2C with custom SDA and SCL

    Wire.begin(I2C_SDA, I2C_SCL);

    // Initialize both PCF8575 expanders

    pcf8575_IN1.begin();

    pcf8575_IN2.begin();

    Serial.println("KinCony F32 32 channel input state 0:ON  1:OFF");

}

void loop() {

    uint32_t inputState = 0; // 32-bit variable to store combined state

    // Read input pins 1~16

    for (int pin = 0; pin < 16; pin++) {

        if (pcf8575_IN1.read(pin)) {

            inputState |= (1UL << pin); // Set corresponding bit

        }

    }

    // Read input pins 17~32

    for (int pin = 0; pin < 16; pin++) {

        if (pcf8575_IN2.read(pin)) {

            inputState |= (1UL << (pin + 16)); // Set corresponding bit

        }

    }

    Serial.print("Input state: ");

    for (int i = 31; i >= 0; i--) {

        Serial.print(bitRead(inputState, i));

    }

    Serial.println();

    delay(500); // Wait for 500 milliseconds

}

arduino ino file download:

2-digital-input.zip (Size: 907 bytes / Downloads: 382)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

2-digital-input.ino.merged.zip (Size: 192.33 KB / Downloads: 413)

[arduino code examples for T32M]-01 Turn ON/OFF OUTPUT

Mon, 23 Jun 2025 13:18:42 +0800

Code:
/*

 * Made by KinCony IoT: https://www.kincony.com

 *

 * This program controls a 32-channel relay board via two PCF8575 I/O expanders.

 * It sequentially turns on each relay (1~32) and then turns them off in a loop.

 * 

 * Pin Definitions:

 * - SDA: GPIO 48

 * - SCL: GPIO 47

 * 

 * PCF8575 I2C Addresses:

 * - 0x20: controls relays 1~16

 * - 0x21: controls relays 17~32

 * 

 * Delay Time:

 * - 200 milliseconds between switching relays

 */

#include         // Include the Wire library for I2C communication

#include      // Include the PCF8575 library to control the I/O expander

#define SDA_PIN 48           // Define the SDA pin

#define SCL_PIN 47           // Define the SCL pin

#define DELAY_TIME 200       // Define the delay time in milliseconds

// Set I2C addresses of the PCF8575 modules

#define I2C_ADDRESS1 0x20    // PCF8575 for relays 1~16

#define I2C_ADDRESS2 0x21    // PCF8575 for relays 17~32

// Create PCF8575 objects for each module

PCF8575 pcf8575_R1(I2C_ADDRESS1); // For relays 1~16

PCF8575 pcf8575_R2(I2C_ADDRESS2); // For relays 17~32

void setup() {

  // Initialize I2C communication

  Wire.begin(SDA_PIN, SCL_PIN);

  // Initialize serial communication for debugging (optional)

  Serial.begin(115200);

  Serial.println("PCF8575 32-Channel Relay Control: Starting...");

  // Initialize both PCF8575 modules

  pcf8575_R1.begin();

  pcf8575_R2.begin();

  // Turn off all relays initially (set all pins HIGH)

  for (int i = 0; i < 16; i++) {

    pcf8575_R1.write(i, HIGH); // Relays 1~16

    pcf8575_R2.write(i, HIGH); // Relays 17~32

  }

}

void loop() {

  // Sequentially turn on each relay (1~32)

  for (int i = 0; i < 32; i++) {

    if (i < 16) {

      pcf8575_R1.write(i, LOW);  // Turn on relay 1~16

    } else {

      pcf8575_R2.write(i - 16, LOW); // Turn on relay 17~32

    }

    delay(DELAY_TIME);

  }

  // Sequentially turn off each relay (1~32)

  for (int i = 0; i < 32; i++) {

    if (i < 16) {

      pcf8575_R1.write(i, HIGH); // Turn off relay 1~16

    } else {

      pcf8575_R2.write(i - 16, HIGH); // Turn off relay 17~32

    }

    delay(DELAY_TIME);

  }

}

arduino ino file download:

1-output.zip (Size: 956 bytes / Downloads: 397)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:

1-output.ino.merged.zip (Size: 192.14 KB / Downloads: 385)

T32M ESPHome yaml for home assistant

Mon, 23 Jun 2025 13:17:23 +0800

Code:
esphome:

  name: t32m

  friendly_name: t32m

esp32:

  board: esp32-s3-devkitc-1

  framework:

    type: esp-idf

# Enable logging

logger:

  hardware_uart: USB_SERIAL_JTAG

# Enable Home Assistant API

api:

ethernet:

  type: W5500

  clk_pin: GPIO42

  mosi_pin: GPIO43

  miso_pin: GPIO44

  cs_pin: GPIO41

  interrupt_pin: GPIO2

  reset_pin: GPIO1

i2c:

   - id: bus_a

     sda: 48

     scl: 47

     scan: true

     frequency: 400kHz

pcf8574:

  - id: 'pcf8574_hub_out_1'  # for output channel 1-16

    i2c_id: bus_a

    address: 0x21

    pcf8575: true

  - id: 'pcf8574_hub_out_2'  # for output channel 17-32

    i2c_id: bus_a

    address: 0x20

    pcf8575: true

  - id: 'pcf8574_hub_in_1'  # for input channel 1-16

    i2c_id: bus_a

    address: 0x25

    pcf8575: true

  - id: 'pcf8574_hub_in_2'  # for input channel 17-32

    i2c_id: bus_a

    address: 0x24

    pcf8575: true

switch:

  - platform: gpio

    name: "t32m-output01"

    id: "t32m_output01"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 0

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output02"

    id: "t32m_output02"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 1

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output03"

    id: "t32m_output03"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 2

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output04"

    id: "t32m_output04"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 3

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output05"

    id: "t32m_output05"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 4

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output06"

    id: "t32m_output06"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 5

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output07"

    id: "t32m_output07"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 6

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output08"

    id: "t32m_output08"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 7

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output09"

    id: "t32m_output09"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 8

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output10"

    id: "t32m_output10"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 9

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output11"

    id: "t32m_output11"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 10

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output12"

    id: "t32m_output12"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 11

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output13"

    id: "t32m_output13"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 12

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output14"

    id: "t32m_output14"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 13

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output15"

    id: "t32m_output15"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 14

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output16"

    id: "t32m_output16"

    pin:

      pcf8574: pcf8574_hub_out_1

      number: 15

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output17"

    id: "t32m_output17"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 0

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output18"

    id: "t32m_output18"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 1

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output19"

    id: "t32m_output19"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 2

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output20"

    id: "t32m_output20"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 3

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output21"

    id: "t32m_output21"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 4

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output22"

    id: "t32m_output22"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 5

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output23"

    id: "t32m_output23"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 6

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output24"

    id: "t32m_output24"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 7

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output25"

    id: "t32m_output25"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 8

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output26"

    id: "t32m_output26"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 9

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output27"

    id: "t32m_output27"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 10

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output28"

    id: "t32m_output28"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 11

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output29"

    id: "t32m_output29"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 12

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output30"

    id: "t32m_output30"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 13

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output31"

    id: "t32m_output31"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 14

      mode: OUTPUT

      inverted: true

  - platform: gpio

    name: "t32m-output32"

    id: "t32m_output32"

    pin:

      pcf8574: pcf8574_hub_out_2

      number: 15

      mode: OUTPUT

      inverted: true

binary_sensor:

  - platform: gpio

    name: "t32m-input01"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 0

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input02"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 1

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input03"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 2

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input04"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 3

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input05"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 4

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input06"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 5

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input07"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 6

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input08"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 7

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input09"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 8

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input10"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 9

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input11"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 10

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input12"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 11

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input13"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 12

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input14"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 13

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input15"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 14

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input16"

    pin:

      pcf8574: pcf8574_hub_in_1

      number: 15

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input17"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 0

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input18"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 1

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input19"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 2

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input20"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 3

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input21"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 4

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input22"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 5

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input23"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 6

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input24"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 7

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input25"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 8

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input26"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 9

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input27"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 10

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input28"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 11

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input29"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 12

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input30"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 13

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input31"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 14

      mode: INPUT

      inverted: true

  - platform: gpio

    name: "t32m-input32"

    pin:

      pcf8574: pcf8574_hub_in_2

      number: 15

      mode: INPUT

      inverted: true

## pull-up resistance on PCB

  - platform: gpio

    name: "t32m-W1-io15"

    pin: 

      number: 15

      inverted: true

  - platform: gpio

    name: "t32m-W1-io16"

    pin: 

      number: 16

      inverted: false

  - platform: gpio

    name: "t32m-W1-io17"

    pin: 

      number: 17

      inverted:  false

  - platform: gpio

    name: "t32m-W1-io18"

    pin: 

      number: 18

      inverted:  false

## without pull-up resistance on PCB

  - platform: gpio

    name: "t32m-io0"

    pin: 

      number: 0

      inverted:  false

  - platform: gpio

    name: "t32m-io8"

    pin: 

      number: 8

      inverted:  false

  - platform: gpio

    name: "t32m-io9"

    pin: 

      number: 9

      inverted:  false

  - platform: gpio

    name: "t32m-io10"

    pin: 

      number: 10

      inverted:  false

sensor:

  - platform: adc

    pin: 7

    name: "t32m A1 Voltage"

    update_interval: 5s

    attenuation: 11db

    filters:

      - lambda:

          if (x >= 3.11) {

            return x * 1.60256;

          } else if (x <= 0.15) {

            return 0;

          } else {

            return x * 1.51;

          }

  - platform: adc

    pin: 6

    name: "t32m A2 Voltage"

    update_interval: 5s

    attenuation: 11db

    filters:

      # - multiply: 1.51515

      - lambda:

          if (x >= 3.11) {

            return x * 1.60256;

          } else if (x <= 0.15) {

            return 0;

          } else {

            return x * 1.51;

          }

  - platform: adc

    pin: 5

    name: "t32m A3 Current"

    update_interval: 5s

    unit_of_measurement: mA

    attenuation: 11db

    filters:

      - multiply: 6.66666666

  - platform: adc

    pin: 4

    name: "t32m A4 Current"

    update_interval: 5s

    unit_of_measurement: mA

    attenuation: 11db

    filters:

      - multiply: 6.66666666

web_server:

  port: 80

download yaml file:

T32M-HA.txt (Size: 13.02 KB / Downloads: 316)

T32M ESP32-S3 IO pins define

Mon, 23 Jun 2025 13:14:09 +0800

analog A1 (0-5v): GPIO7
analog A2 (0-5v): GPIO6
analog A3 (4-20mA): GPIO5
analog A4 (4-20mA): GPIO4

-----------------
IIC Bus-1:

SDA:GPIO48
SCL:GPIO47

PCF8575: (output1-16): i2c address:0x20
PCF8575: (output17-32): i2c address:0x21
PCF8575: (input1-16): i2c address:0x24
PCF8575: (input17-32): i2c address:0x25

24C02 EPROM i2c address: 0x50

-----------------

1-wire (pull-up resistance on PCB):
GPIO15
GPIO16
GPIO17
GPIO18

free GPIO:
GPIO8
GPIO9
GPIO10

-----------------

Ethernet (W5500) I/O define:

clk_pin: GPIO42
mosi_pin: GPIO43
miso_pin: GPIO44
cs_pin: GPIO41

interrupt_pin: GPIO2
reset_pin: GPIO1

--------------------
RS485:
RXD:GPIO21
TXD:GPIO13
EN:GPIO14