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KC868-A16S ESP32 16 Channel Relay Board Released
#1
We have designed KC868-A16S (ESP32 16 channel relay board) for home automation DIYer. it can easy integrate to home assistant by ESPHome. the hardware have 16CH relay (MAX AC250V 10A) output + 16CH digital input + 4CH analog input, support RS485 + Ethernet + WiFi + Bluetooth + 4G SIM7600 or 2G SIM800L GSM module + DS3231 RTC module + manual control button panel.

[Image: KC868-A16S-1_01.jpg]
[Image: KC868-A16S-1_02.jpg]
[Image: KC868-A16S-1_03.jpg]
[Image: KC868-A16S-1_04.jpg]
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#2
hi admin can we have more tutorial on kc868-a16s thank you
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#3
A16S mainly use by ESPHome for home assistant. what software or function you want to use by A16S?
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#4
hello admin i have problems with the following code can you help me thanks in advance.
when I send the command the relays do not change state


#include "Arduino.h"
#include "PCF8574.h"
#include <WiFi.h>
#include <WiFiClient.h>
#include <WiFiAP.h>


// Set i2c address
PCF8574 pcf8574_1(0x24,4,5);
PCF8574 pcf8574_2(0x25,4,5);


// Set these to your desired credentials.
const char *ssid = "kinconny";
const char *password = "01234567";

WiFiServer server(80);


void setup() {

Serial.begin(115200);
Serial.println();
Serial.println("Configuring access point...");

// You can remove the password parameter if you want the AP to be open.
WiFi.softAP(ssid, password);
IPAddress myIP = WiFi.softAPIP();
Serial.print("AP IP address: ");
Serial.println(myIP);
server.begin();

Serial.println("Server started");

// Set pinMode to OUTPUT
pcf8574_1.pinMode(P0, OUTPUT);
pcf8574_1.pinMode(P1, OUTPUT);
pcf8574_1.pinMode(P2, OUTPUT);
pcf8574_1.pinMode(P3, OUTPUT);
pcf8574_1.pinMode(P4, OUTPUT);
pcf8574_1.pinMode(P5, OUTPUT);
pcf8574_1.pinMode(P6, OUTPUT);
pcf8574_1.pinMode(P7, OUTPUT);

pcf8574_2.pinMode(P0, OUTPUT);
pcf8574_2.pinMode(P1, OUTPUT);
pcf8574_2.pinMode(P2, OUTPUT);
pcf8574_2.pinMode(P3, OUTPUT);
pcf8574_2.pinMode(P4, OUTPUT);
pcf8574_2.pinMode(P5, OUTPUT);
pcf8574_2.pinMode(P6, OUTPUT);
pcf8574_2.pinMode(P7, OUTPUT);

}


void loop() {

WiFiClient client = server.available(); // listen for incoming clients

if (client) { // if you get a client,
Serial.println("New Client."); // print a message out the serial port
String currentLine = ""; // make a String to hold incoming data from the client
while (client.connected()) { // loop while the client's connected
if (client.available()) { // if there's bytes to read from the client,
char c = client.read(); // read a byte, then
Serial.write©; // print it out the serial monitor
if (c == '\n') { // if the byte is a newline character

// if the current line is blank, you got two newline characters in a row.
// that's the end of the client HTTP request, so send a response:
if (currentLine.length() == 0) {
// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
// and a content-type so the client knows what's coming, then a blank line:
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println();

// the content of the HTTP response follows the header:
client.print("Click <a href=\"/H\">here</a> to turn ON the LED.<br>");
client.print("Click <a href=\"/L\">here</a> to turn OFF the LED.<br>");

// The HTTP response ends with another blank line:
client.println();
// break out of the while loop:
break;
} else { // if you got a newline, then clear currentLine:
currentLine = "";
}
} else if (c != '\r') { // if you got anything else but a carriage return character,
currentLine += c; // add it to the end of the currentLine
}

// Check to see if the client request was "GET /H" or "GET /L":
if (currentLine.endsWith("GET /H")) {

pcf8574_1.digitalWrite(0, LOW);
pcf8574_1.digitalWrite(1, LOW);
pcf8574_1.digitalWrite(2, LOW);
pcf8574_1.digitalWrite(3, LOW);
pcf8574_1.digitalWrite(4, LOW);
pcf8574_1.digitalWrite(5, LOW);
pcf8574_1.digitalWrite(6, LOW);
pcf8574_1.digitalWrite(7, LOW);

pcf8574_2.digitalWrite(0,LOW);
pcf8574_2.digitalWrite(1,LOW);
pcf8574_2.digitalWrite(2,LOW);
pcf8574_2.digitalWrite(3,LOW);
pcf8574_2.digitalWrite(4,LOW);
pcf8574_2.digitalWrite(5,LOW);
pcf8574_2.digitalWrite(6,LOW);
pcf8574_2.digitalWrite(7,LOW);
delay(1000);
}

if (currentLine.endsWith("GET /L")) {

pcf8574_1.digitalWrite(0, HIGH);
pcf8574_1.digitalWrite(1, HIGH);
pcf8574_1.digitalWrite(2, HIGH);
pcf8574_1.digitalWrite(3, HIGH);
pcf8574_1.digitalWrite(4, HIGH);
pcf8574_1.digitalWrite(5, HIGH);
pcf8574_1.digitalWrite(6, HIGH);
pcf8574_1.digitalWrite(7, HIGH);

pcf8574_2.digitalWrite(0,HIGH);
pcf8574_2.digitalWrite(1,HIGH);
pcf8574_2.digitalWrite(2,HIGH);
pcf8574_2.digitalWrite(3,HIGH);
pcf8574_2.digitalWrite(4,HIGH);
pcf8574_2.digitalWrite(5,HIGH);
pcf8574_2.digitalWrite(6,HIGH);
pcf8574_2.digitalWrite(7,HIGH);
delay(1000);

}
}
}
// close the connection:
client.stop();
Serial.println("Client Disconnected.");
}
}
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#5
which model board you are using?
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#6
kc868 a16s
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#7
here is demo source code, how to control OUTPUT by KC868-A16S:
https://www.kincony.com/forum/showthread.php?tid=2793
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#8
Ok admin, yes I used this piece of code in my code but I'm having trouble getting it to work.

is there? a similar pc-kc868-h32b application for the a16s?
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#9
do you means PC software for A16S? use in local network? we have a PC software for A16S. but use in local network.
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#10
(06-06-2023, 12:04 AM)admin Wrote: do you means PC software for A16S? use in local network? we have a PC software for A16S. but use in local network.
 hello ,
what is the pc software that use in local network ? 
please  link the pc software
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