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turn on one relay by mqtt...
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Lesson21 - Install Raspberry Pi OS on KC868-Server

Posted by: admin - 04-27-2022, 11:32 AM - Forum: Home automation training courses - No Replies

	https://www.raspberrypi.com/software/ 1. Change KC868-Server USB boot jumper 2. Connect with USB cable with computer and KC868-Server 3. Power on of KC868-Server 4. Run rpiboot 5. Download and install Raspberry Pi Imager 6. Manually install an operating system image 7. Connect KC868-Server HDMI to monitor 8. Connect keyboard and mouse to KC868-Server

Lesson20 - extend hardware digital output and input channels in home assistant

Posted by: admin - 04-27-2022, 03:26 AM - Forum: Home automation training courses - No Replies

1. extend output and input ports by hardware device

a. KC868-A series board (integrate to home assistant by ESPHome)
b. KC868-HxB series board (integrate to home assistant by MQTT)

2. config ESPHome for KC868-A16

esphome:
name: kc868-a16
platform: ESP32
board: esp32dev

# Example configuration entry for ESP32
i2c:
sda: 4
scl: 5
scan: true
id: bus_a

# Example configuration entry
ethernet:
type: LAN8720
mdc_pin: GPIO23
mdio_pin: GPIO18
clk_mode: GPIO17_OUT
phy_addr: 0

# Optional manual IP
manual_ip:
static_ip: 192.168.1.199
gateway: 192.168.1.1
subnet: 255.255.255.0

# Example configuration entry
pcf8574:
- id: 'pcf8574_hub_out_1' # for output channel 1-8
address: 0x24

- id: 'pcf8574_hub_out_2' # for output channel 9-16
address: 0x25

- id: 'pcf8574_hub_in_1' # for input channel 1-8
address: 0x21

- id: 'pcf8574_hub_in_2' # for input channel 9-16
address: 0x22

# Individual outputs
switch:
- platform: gpio
name: "a16-output1"
pin:
pcf8574: pcf8574_hub_out_1
number: 0
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output2"
pin:
pcf8574: pcf8574_hub_out_1
number: 1
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output3"
pin:
pcf8574: pcf8574_hub_out_1
number: 2
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output4"
pin:
pcf8574: pcf8574_hub_out_1
number: 3
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output5"
pin:
pcf8574: pcf8574_hub_out_1
number: 4
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output6"
pin:
pcf8574: pcf8574_hub_out_1
number: 5
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output7"
pin:
pcf8574: pcf8574_hub_out_1
number: 6
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output8"
pin:
pcf8574: pcf8574_hub_out_1
number: 7
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output9"
pin:
pcf8574: pcf8574_hub_out_2
number: 0
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output10"
pin:
pcf8574: pcf8574_hub_out_2
number: 1
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output11"
pin:
pcf8574: pcf8574_hub_out_2
number: 2
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output12"
pin:
pcf8574: pcf8574_hub_out_2
number: 3
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output13"
pin:
pcf8574: pcf8574_hub_out_2
number: 4
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output14"
pin:
pcf8574: pcf8574_hub_out_2
number: 5
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output15"
pin:
pcf8574: pcf8574_hub_out_2
number: 6
mode: OUTPUT
inverted: true

- platform: gpio
name: "a16-output16"
pin:
pcf8574: pcf8574_hub_out_2
number: 7
mode: OUTPUT
inverted: true

binary_sensor:
- platform: gpio
name: "a16-input1"
pin:
pcf8574: pcf8574_hub_in_1
number: 0
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input2"
pin:
pcf8574: pcf8574_hub_in_1
number: 1
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input3"
pin:
pcf8574: pcf8574_hub_in_1
number: 2
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input4"
pin:
pcf8574: pcf8574_hub_in_1
number: 3
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input5"
pin:
pcf8574: pcf8574_hub_in_1
number: 4
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input6"
pin:
pcf8574: pcf8574_hub_in_1
number: 5
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input7"
pin:
pcf8574: pcf8574_hub_in_1
number: 6
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input8"
pin:
pcf8574: pcf8574_hub_in_1
number: 7
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input9"
pin:
pcf8574: pcf8574_hub_in_2
number: 0
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input10"
pin:
pcf8574: pcf8574_hub_in_2
number: 1
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input11"
pin:
pcf8574: pcf8574_hub_in_2
number: 2
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input12"
pin:
pcf8574: pcf8574_hub_in_2
number: 3
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input13"
pin:
pcf8574: pcf8574_hub_in_2
number: 4
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input14"
pin:
pcf8574: pcf8574_hub_in_2
number: 5
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input15"
pin:
pcf8574: pcf8574_hub_in_2
number: 6
mode: INPUT
inverted: true

- platform: gpio
name: "a16-input16"
pin:
pcf8574: pcf8574_hub_in_2
number: 7
mode: INPUT
inverted: true

# Enable logging
logger:

# Enable Home Assistant API
api:

Lesson19 - add water level sensor for automation in home assistant

Posted by: admin - 04-27-2022, 02:36 AM - Forum: Home automation training courses - Replies (22)

1. Chose water level sensor:

a. output dry contact for OPEN/CLOSE singal.
b. output DC 0-5v analog voltage.

2. create a new automation:

water-level-control-output4-on (turn on relay)
-------------------------------------------
Trigger type: State
Entity: input-1
To: on

Actions:
Action type: Call service
Service: Switch:Switch: Turn on
+ Choose entity

water-level-control-output4-off (turn off relay)
------------------------------------------
Trigger type: State
Entity: input-1
To: off

Actions:
Action type: Call service
Service: Switch:Switch: Turn off
+ Choose entity

[Arduino IDE demo source code for KC868-A6]--#11-SX1278-sender_code

Posted by: KinCony Support - 04-26-2022, 01:35 AM - Forum: KC868-A6 - Replies (13)

[Arduino IDE demo source code for KC868-A6]--#11-SX1278-sender_code

Code:
/*SX1278_sender code for KC868-A6*/

#include <LoRa.h>

#include <SPI.h>

#define ss 5

#define rst 21

#define dio0 2

int counter = 0;

void setup() 

{

  Serial.begin(115200); 

  while (!Serial);

  Serial.println("LoRa Sender");

  LoRa.setPins(ss, rst, dio0);    //setup LoRa transceiver module

  while (!LoRa.begin(433E6))     //433E6 - Asia, 866E6 - Europe, 915E6 - North America

  {

    Serial.println(".");

    delay(500);

  }

  LoRa.setSyncWord(0xA5);

  Serial.println("LoRa Initializing OK!");

}

void loop() 

{

  Serial.print("Sending packet: ");

  Serial.println(counter);

  LoRa.beginPacket();   //Send LoRa packet to receiver

  LoRa.print("hello ");

  LoRa.print(counter);

  LoRa.endPacket();

  counter++;

  delay(2000);

}

11.sx1278-sender.zip (Size: 945 bytes / Downloads: 1008)
.zip

11.sx1278-sender.zip (Size: 945 bytes / Downloads: 1008)

[Arduino IDE demo source code for KC868-A6]--#10-SX1278-receiver_code

Posted by: KinCony Support - 04-26-2022, 01:32 AM - Forum: KC868-A6 - No Replies

[Arduino IDE demo source code for KC868-A6]--#10-SX1278-receiver_code

Code:
/* SX1278 code for KC868-A6*/

#include <LoRa.h>

#include <SPI.h>

#define ss 5

#define rst 14

#define dio0 21

void setup() 

{

  Serial.begin(115200);

  while (!Serial);

  Serial.println("LoRa Receiver");

  LoRa.setPins(ss, rst, dio0);    //setup LoRa transceiver module

  while (!LoRa.begin(433E6))     //433E6 - Asia, 866E6 - Europe, 915E6 - North America

  {

    Serial.println(".");

    delay(500);

  }

  LoRa.setSyncWord(0xA5);

  Serial.println("LoRa Initializing OK!");

}

void loop() 

{

  int packetSize = LoRa.parsePacket();    // try to parse packet

  if (packetSize) 

  {

    Serial.print("Received packet '");

    while (LoRa.available())              // read packet

    {

      String LoRaData = LoRa.readString();

      Serial.print(LoRaData); 

    }

    Serial.print("' with RSSI ");         // print RSSI of packet

    Serial.println(LoRa.packetRssi());

  }

}

10.sx1278-receiver.zip (Size: 1,018 bytes / Downloads: 889)

[Arduino IDE demo source code for KC868-A6]--#09-RS485_code

Posted by: KinCony Support - 04-25-2022, 08:55 AM - Forum: KC868-A6 - Replies (15)

[Arduino IDE demo source code for KC868-A6]--#09-RS485_code

Code:
void setup(){

  Serial2.begin(9600);

}

void loop() {

 Serial2.println("KinCony");

}

9.RS485.zip (Size: 469.3 KB / Downloads: 1244)

[Arduino IDE demo source code for KC868-A6]--#08-PCF8574-relay code

Posted by: KinCony Support - 04-25-2022, 08:55 AM - Forum: KC868-A6 - Replies (4)

[Arduino IDE demo source code for KC868-A6]--#08-PCF8574-DO_code

Code:
/*

 Blink led on PIN0

 by Mischianti Renzo <http://www.mischianti.org>

 https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/

*/

#include "Arduino.h"

#include "PCF8574.h"

// Set i2c address

PCF8574 pcf8574(0x24,4,15);

void setup()

{

    Serial.begin(115200);

//    delay(1000);

    // Set pinMode to OUTPUT

    pcf8574.pinMode(P0, OUTPUT);

  pcf8574.pinMode(P1, OUTPUT);

  pcf8574.pinMode(P2, OUTPUT);

  pcf8574.pinMode(P3, OUTPUT);

  pcf8574.pinMode(P4, OUTPUT);

  pcf8574.pinMode(P5, OUTPUT);

  pcf8574.digitalWrite(P0, HIGH);

  pcf8574.digitalWrite(P1, HIGH);

  pcf8574.digitalWrite(P2, HIGH);

  pcf8574.digitalWrite(P3, HIGH);

  pcf8574.digitalWrite(P4, HIGH);

  pcf8574.digitalWrite(P5, HIGH);

    Serial.print("Init pcf8574...");

    if (pcf8574.begin()){

        Serial.println("OK");

    }else{

        Serial.println("KO");

    }

}

void loop()

{

    delay(300);

    pcf8574.digitalWrite(P0, LOW);

  delay(300);

  pcf8574.digitalWrite(P1, LOW);

  delay(300);

  pcf8574.digitalWrite(P2, LOW);

  delay(300);

  pcf8574.digitalWrite(P3, LOW);

  delay(300);

  pcf8574.digitalWrite(P4, LOW);

  delay(300);

  pcf8574.digitalWrite(P5, LOW);

  delay(300);

}

[Arduino IDE demo source code for KC868-A6]--#07-PCF8574-Digital input code

Posted by: KinCony Support - 04-25-2022, 08:54 AM - Forum: KC868-A6 - Replies (8)

[Arduino IDE demo source code for KC868-A6]--#07-PCF8574-DI_code

Code:
#include "Arduino.h"

#include "PCF8574.h"

// Set i2c address

PCF8574 pcf8574(0x22,4,15);

unsigned long timeElapsed;

void setup()

{

 Serial.begin(115200);

 delay(1000);

 pcf8574.pinMode(P0, INPUT);

 pcf8574.pinMode(P1, INPUT);

 pcf8574.pinMode(P2, INPUT);

 pcf8574.pinMode(P3, INPUT);

 pcf8574.pinMode(P4, INPUT);

 pcf8574.pinMode(P5, INPUT);

 pcf8574.pinMode(P6, INPUT);

 pcf8574.pinMode(P7, INPUT);

    Serial.print("Init pcf8574...");

    if (pcf8574.begin()){

        Serial.println("OK");

    }else{

        Serial.println("KO");

    }

}

void loop()

{

 uint8_t val1 = pcf8574.digitalRead(P0);

 uint8_t val2 = pcf8574.digitalRead(P1);

 uint8_t val3 = pcf8574.digitalRead(P2);

 uint8_t val4 = pcf8574.digitalRead(P3);

 uint8_t val5 = pcf8574.digitalRead(P4);

 uint8_t val6 = pcf8574.digitalRead(P5);

 uint8_t val7 = pcf8574.digitalRead(P6);

 uint8_t val8 = pcf8574.digitalRead(P7);

 if (val1==LOW) Serial.println("KEY1 PRESSED");

 if (val2==LOW) Serial.println("KEY2 PRESSED");

 if (val3==LOW) Serial.println("KEY3 PRESSED");

 if (val4==LOW) Serial.println("KEY4 PRESSED");

 if (val5==LOW) Serial.println("KEY5 PRESSED");

 if (val6==LOW) Serial.println("KEY6 PRESSED");

 if (val7==LOW) Serial.println("KEY7 PRESSED");

 if (val8==LOW) Serial.println("KEY8 PRESSED");

    delay(300);

}

[Arduino IDE demo source code for KC868-A6]--#06-OLED_SSD1306_code

Posted by: KinCony Support - 04-25-2022, 08:53 AM - Forum: KC868-A6 - Replies (10)

[Arduino IDE demo source code for KC868-A6]--#06-OLED_SSD1306_code

Code:
/*OLED SSD1306 Code for KC868-A6*/

#include <U8g2lib.h>

#include <Wire.h>

U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0,  15, 4, U8X8_PIN_NONE);//SCL IO15  SDA  IO4

void page1() {

  u8g2.setFont(u8g2_font_timR18_tf);// Font 18

  u8g2.setFontPosTop();

  u8g2.setCursor(5,0);

  u8g2.print("KINCONY");

  u8g2.setFont(u8g2_font_timR12_tf);//Font 12

  u8g2.setCursor(0,40);

  u8g2.print("www.kincony.com");

}

void setup(){

  u8g2.setI2CAddress(0x3C*2);

  u8g2.begin();

  u8g2.enableUTF8Print();

}

void loop(){

  u8g2.firstPage();

  do

  {

    page1();

  }while(u8g2.nextPage());

}

6.OLED-1306.zip (Size: 810 bytes / Downloads: 1120)

[Arduino IDE demo source code for KC868-A6]--#05-Ds1307_code

Posted by: KinCony Support - 04-25-2022, 08:51 AM - Forum: KC868-A6 - No Replies

[Arduino IDE demo source code for KC868-A6]--#05-Ds1307_code

Code:
/*KC868-A6 DS1307 CODE*/

// Date and time functions using a DS1307 RTC connected via I2C and Wire lib

#include "RTClib.h"

RTC_DS1307 rtc;

char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

void setup () {

  Serial.begin(57600);

#ifndef ESP8266

  while (!Serial); // wait for serial port to connect. Needed for native USB

#endif

  if (! rtc.begin()) {

    Serial.println("Couldn't find RTC");

    Serial.flush();

    while (1) delay(10);

  }

  if (! rtc.isrunning()) {

    Serial.println("RTC is NOT running, let's set the time!");

    // When time needs to be set on a new device, or after a power loss, the

    // following line sets the RTC to the date & time this sketch was compiled

    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));

    // This line sets the RTC with an explicit date & time, for example to set

    // January 21, 2014 at 3am you would call:

    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));

  }

  // When time needs to be re-set on a previously configured device, the

  // following line sets the RTC to the date & time this sketch was compiled

  // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));

  // This line sets the RTC with an explicit date & time, for example to set

  // January 21, 2014 at 3am you would call:

  // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));

}

void loop () {

    DateTime now = rtc.now();

    Serial.print(now.year(), DEC);

    Serial.print('/');

    Serial.print(now.month(), DEC);

    Serial.print('/');

    Serial.print(now.day(), DEC);

    Serial.print(" (");

    Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);

    Serial.print(") ");

    Serial.print(now.hour(), DEC);

    Serial.print(':');

    Serial.print(now.minute(), DEC);

    Serial.print(':');

    Serial.print(now.second(), DEC);

    Serial.println();

    Serial.print(" since midnight 1/1/1970 = ");

    Serial.print(now.unixtime());

    Serial.print("s = ");

    Serial.print(now.unixtime() / 86400L);

    Serial.println("d");

    // calculate a date which is 7 days, 12 hours, 30 minutes, and 6 seconds into the future

    DateTime future (now + TimeSpan(7,12,30,6));

    Serial.print(" now + 7d + 12h + 30m + 6s: ");

    Serial.print(future.year(), DEC);

    Serial.print('/');

    Serial.print(future.month(), DEC);

    Serial.print('/');

    Serial.print(future.day(), DEC);

    Serial.print(' ');

    Serial.print(future.hour(), DEC);

    Serial.print(':');

    Serial.print(future.minute(), DEC);

    Serial.print(':');

    Serial.print(future.second(), DEC);

    Serial.println();

    Serial.println();

    delay(3000);

}

5.ds1307.zip (Size: 111.96 KB / Downloads: 975)
.txt

KC868-A6_pin_define.txt (Size: 421 bytes / Downloads: 1062)

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