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+--- Thread: KC868-A4S ESP32 I/O pin define (/showthread.php?tid=2617)
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KC868-A4S ESP32 I/O pin define - admin - 03-01-2023
#define ANALOG_A1 36
#define ANALOG_A2 39
#define ANALOG_A3 34
#define ANALOG_A4 35
IIC SDA:4
IIC SCL:16
Relay_IIC_address 0x24
P0--P3: for relay1-relay4
P4--P7: for DI9--DI12
Input_IIC_address 0x22 for DI1-DI8
PCA9685 IIC address: 0x00
DS18B20/DHT11/DHT21/LED strip -1: 5
DS18B20/DHT11/DHT21/LED strip -2: 14
Ethernet (LAN8720) I/O define:
#define ETH_ADDR 0
#define ETH_POWER_PIN -1
#define ETH_MDC_PIN 23
#define ETH_MDIO_PIN 18
#define ETH_TYPE ETH_PHY_LAN8720
#define ETH_CLK_MODE ETH_CLOCK_GPIO17_OUT
RS485:
RXD:GPIO33
TXD:GPIO32
GSM:
RXD:GPIO13
TXD:GPIO15
RE: KC868-A4S ESP32 I/O pin define - DanielGuerrero - 10-11-2023
Hi, I am tried to use i2c (iic), with a bme 280 sensor, but it does not works, please caun you help to fix the problem or can you provide me a explication how to use the sensor. I used the netx programation:
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#define BME_SCK 13
#define BME_MISO 12
#define BME_MOSI 11
#define BME_CS 10
#define SEALEVELPRESSURE_HPA (1013.25)
Adafruit_BME280 bme; // I2C
unsigned long delayTime;
void setup() {
Serial.begin(9600);
while(!Serial); // time to get serial running
Serial.println(F("BME280 test"));
unsigned status;
// default settings
status = bme.begin();
// You can also pass in a Wire library object like &Wire2
status = bme.begin(0x76);
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
Serial.print("SensorID was: 0x"); Serial.println(bme.sensorID(),16);
Serial.print(" ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
Serial.print(" ID of 0x56-0x58 represents a BMP 280,\n");
Serial.print(" ID of 0x60 represents a BME 280.\n");
Serial.print(" ID of 0x61 represents a BME 680.\n");
while (1) delay(10);
}
Serial.println("-- Default Test --");
delayTime = 1000;
Serial.println();
}
void loop() {
printValues();
delay(delayTime);
}
void printValues() {
Serial.print("Temperature = ");
Serial.print(bme.readTemperature());
Serial.println(" °C");
Serial.print("Pressure = ");
Serial.print(bme.readPressure() / 100.0F);
Serial.println(" hPa");
Serial.print("Approx. Altitude = ");
Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
Serial.println(" m");
Serial.print("Humidity = ");
Serial.print(bme.readHumidity());
Serial.println(" %");
Serial.println();
}
RE: KC868-A4S ESP32 I/O pin define - admin - 10-11-2023
you need to check where to define I2C bus GPIO pins, SCL and SDA pins.
RE: KC868-A4S ESP32 I/O pin define - DanielGuerrero - 10-11-2023
(10-11-2023, 10:30 PM)admin Wrote: you need to check where to define I2C bus GPIO pins, SCL and SDA pins.
okay, but, please, how can I do it ?
RE: KC868-A4S ESP32 I/O pin define - admin - 10-11-2023
set SDA,SCL pin define as this photo.
RE: KC868-A4S ESP32 I/O pin define - DanielGuerrero - 10-12-2023
(10-11-2023, 11:54 PM)admin Wrote: set SDA,SCL pin define as this photo.
so, like this ? ....
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#define SEALEVELPRESSURE_HPA (1013.25)
#define SDA 4
#define SCL 16
Adafruit_BME280 bme; // I2C
unsigned long delayTime;
void setup() {
Serial.begin(9600);
while(!Serial); // time to get serial running
Serial.println(F("BME280 test"));
unsigned status;
status = bme.begin();
status = bme.begin(0x76);
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
Serial.print("SensorID was: 0x"); Serial.println(bme.sensorID(),16);
Serial.print(" ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
Serial.print(" ID of 0x56-0x58 represents a BMP 280,\n");
Serial.print(" ID of 0x60 represents a BME 280.\n");
Serial.print(" ID of 0x61 represents a BME 680.\n");
while (1) delay(10);
}
Serial.println("-- Default Test --");
delayTime = 1000;
Serial.println();
}
void loop() {
printValues();
delay(delayTime);
}
void printValues() {
Serial.print("Temperature = ");
Serial.print(bme.readTemperature());
Serial.println(" °C");
Serial.print("Pressure = ");
Serial.print(bme.readPressure() / 100.0F);
Serial.println(" hPa");
Serial.print("Approx. Altitude = ");
Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
Serial.println(" m");
Serial.print("Humidity = ");
Serial.print(bme.readHumidity());
Serial.println(" %");
Serial.println();
}
RE: KC868-A4S ESP32 I/O pin define - KinCony Support - 10-16-2023
(10-12-2023, 03:09 AM)DanielGuerrero Wrote:(10-11-2023, 11:54 PM)admin Wrote: set SDA,SCL pin define as this photo.
so, like this ? ....
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#define SEALEVELPRESSURE_HPA (1013.25)
//delet these two command
#define SDA 4
#define SCL 16
Adafruit_BME280 bme; // I2C
unsigned long delayTime;
void setup() {
Serial.begin(9600);
wire.begin(4,16);//add this command
while(!Serial); // time to get serial running
Serial.println(F("BME280 test"));
unsigned status;
status = bme.begin();
status = bme.begin(0x76);
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
Serial.print("SensorID was: 0x"); Serial.println(bme.sensorID(),16);
Serial.print(" ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
Serial.print(" ID of 0x56-0x58 represents a BMP 280,\n");
Serial.print(" ID of 0x60 represents a BME 280.\n");
Serial.print(" ID of 0x61 represents a BME 680.\n");
while (1) delay(10);
}
Serial.println("-- Default Test --");
delayTime = 1000;
Serial.println();
}
void loop() {
printValues();
delay(delayTime);
}
void printValues() {
Serial.print("Temperature = ");
Serial.print(bme.readTemperature());
Serial.println(" °C");
Serial.print("Pressure = ");
Serial.print(bme.readPressure() / 100.0F);
Serial.println(" hPa");
Serial.print("Approx. Altitude = ");
Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
Serial.println(" m");
Serial.print("Humidity = ");
Serial.print(bme.readHumidity());
Serial.println(" %");
Serial.println();
}
RE: KC868-A4S ESP32 I/O pin define - Denilson - 01-04-2025
Good morning . I have a problem with the definition of the pins that you sent on the KC868-A4S can I have some clarification with an example of code using two ds18b20 two between digital switches and I use a current sensor and another sensor power outage detection
#include <Wire.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <PCF8574.h> // Pour le contrôle des relais via I2C (adresse 0x24)
// Pin DS18B20
#define ONE_WIRE_BUS_1 5 // DS18B20 - 1er capteur (bande de DEL - 1)
#define ONE_WIRE_BUS_2 14 // DS18B20 - 2ème capteur (bande de DEL - 2)
OneWire oneWire1(ONE_WIRE_BUS_1);
OneWire oneWire2(ONE_WIRE_BUS_2);
DallasTemperature sensors1(&oneWire1);
DallasTemperature sensors2(&oneWire2);
// Relais I2C Adresse 0x24
PCF8574 pcf8574(0x24);
// Entrées de détection (interrupteurs)
#define INTERRUPT_PIN1 2 // Interrupteur 1
#define INTERRUPT_PIN2 3 // Interrupteur 2
// Capteur de courant (ACS712)
#define CURRENT_SENSOR_PIN A0
// Capteur de coupure de courant
#define POWER_FAILURE_PIN 7
// Variables pour stocker les températures
float temp1 = 0.0;
float temp2 = 0.0;
void setup() {
// Initialisation de la communication série
Serial.begin(115200);
// Initialisation du bus I2C
Wire.begin();
// Initialisation des capteurs de température DS18B20
sensors1.begin();
sensors2.begin();
// Initialisation des relais via I2C
pcf8574.begin();
pcf8574.pinMode(P0, OUTPUT);
pcf8574.pinMode(P1, OUTPUT);
pcf8574.pinMode(P2, OUTPUT);
pcf8574.pinMode(P3, OUTPUT);
// Initialisation des interrupteurs
pinMode(INTERRUPT_PIN1, INPUT_PULLUP); // Interrupteur 1
pinMode(INTERRUPT_PIN2, INPUT_PULLUP); // Interrupteur 2
// Initialisation du capteur de courant (ACS712)
pinMode(CURRENT_SENSOR_PIN, INPUT);
// Initialisation du capteur de coupure de courant
pinMode(POWER_FAILURE_PIN, INPUT_PULLUP);
// Attacher les interruptions aux pins des interrupteurs
attachInterrupt(digitalPinToInterrupt(INTERRUPT_PIN1), handleInterrupt1, FALLING); // Déclenchement sur INT1
attachInterrupt(digitalPinToInterrupt(INTERRUPT_PIN2), handleInterrupt2, FALLING); // Déclenchement sur INT2
}
void loop() {
// Lire les températures des capteurs DS18B20
sensors1.requestTemperatures();
sensors2.requestTemperatures();
temp1 = sensors1.getTempCByIndex(0); // Température du premier DS18B20
temp2 = sensors2.getTempCByIndex(0); // Température du deuxième DS18B20
// Lire le capteur de courant (ACS712)
int sensorValue = analogRead(CURRENT_SENSOR_PIN);
float voltage = sensorValue * (5.0 / 1023.0); // Conversion de la valeur analogique en tension
float current = (voltage - 2.5) / 0.185; // Conversion de la tension en courant (en fonction de votre capteur)
// Vérifier si une coupure de courant a été détectée
bool powerFailure = digitalRead(POWER_FAILURE_PIN) == LOW; // Si le pin est bas, coupure de courant détectée
// Affichage des résultats sur le moniteur série
Serial.print("Température 1 : ");
Serial.print(temp1);
Serial.print(" °C, Température 2 : ");
Serial.print(temp2);
Serial.print(" °C, Courant : ");
Serial.print(current);
Serial.print(" A, Coupure de courant : ");
if (powerFailure) {
Serial.println("Oui");
} else {
Serial.println("Non");
}
// Activation des relais (P0 à P3 sur I2C via PCF8574)
// Exemple d'activation des relais 1 à 4
pcf8574.digitalWrite(P0, HIGH); // Relais 1 ON
delay(1000); // Délai d'une seconde
pcf8574.digitalWrite(P1, HIGH); // Relais 2 ON
delay(1000);
pcf8574.digitalWrite(P2, HIGH); // Relais 3 ON
delay(1000);
pcf8574.digitalWrite(P3, HIGH); // Relais 4 ON
delay(1000);
// Désactivation des relais
pcf8574.digitalWrite(P0, LOW); // Relais 1 OFF
pcf8574.digitalWrite(P1, LOW); // Relais 2 OFF
pcf8574.digitalWrite(P2, LOW); // Relais 3 OFF
pcf8574.digitalWrite(P3, LOW); // Relais 4 OFF
delay(1000); // Délai de 1 seconde
}
// Fonction pour gérer l'interruption 1
void handleInterrupt1() {
Serial.println("Interrupteur 1 activé!");
// Ajoutez ici votre logique pour réagir à l'interruption
}
// Fonction pour gérer l'interruption 2
void handleInterrupt2() {
Serial.println("Interrupteur 2 activé!");
// Ajoutez ici votre logique pour réagir à l'interruption
}
RE: KC868-A4S ESP32 I/O pin define - admin - 01-05-2025
which pin define have issue?
RE: KC868-A4S ESP32 I/O pin define - Denilson - 01-05-2025
(01-05-2025, 01:09 AM)admin Wrote: which pin define have issue?
none of the pins respond to relay activation or data collection I ask if I have respected the rules for using pins