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PCF8574 IO Expansion i2c relay board -DO8 schematic

Posted by: admin - 02-24-2024, 05:01 AM - Forum: Extender module - No Replies

	here is DO8 schematic pdf KINCONY-EXT-DO8-V10.pdf (Size: 163.01 KB / Downloads: 193)

KinCony Server-Mini Node-Red testing flows

Posted by: admin - 02-24-2024, 03:03 AM - Forum: KinCony Server-Mini / Server-16 Raspberry Pi4 relay module - No Replies

	test the digital input work with relay output. decode RF433MHz receiver module data. test RS485 send and receiver. Node Red flows download: server-mini-test-flows.zip (Size: 1.06 KB / Downloads: 102)

KBOX android V2.0.9 add support KC868-D16 dimmer

Posted by: admin - 02-23-2024, 05:49 AM - Forum: News - No Replies

	KBOX android app add support KC868-D16 dimmer controller. APK download link: https://www.kincony.com/download/kbox-sm...240223.apk

PCF8574 IO Expansion i2c digital input board -DI8 ESPHome config yaml demo

Posted by: admin - 02-23-2024, 04:21 AM - Forum: Extender module - No Replies

i2c:
sda: 4 #replace by your board's pin define
scl: 5 #replace by your board's pin define
scan: true
id: bus_a

pcf8574:
- id: 'pcf8574_hub_in_1' # for input channel 1-8
address: 0x22 #replace by your PCF8574 address

binary_sensor:
- platform: gpio
name: "a8-input1"
pin:
pcf8574: pcf8574_hub_in_1
number: 0
mode: INPUT
inverted: true

- platform: gpio
name: "a8-input2"
pin:
pcf8574: pcf8574_hub_in_1
number: 1
mode: INPUT
inverted: true

- platform: gpio
name: "a8-input3"
pin:
pcf8574: pcf8574_hub_in_1
number: 2
mode: INPUT
inverted: true

- platform: gpio
name: "a8-input4"
pin:
pcf8574: pcf8574_hub_in_1
number: 3
mode: INPUT
inverted: true

- platform: gpio
name: "a8-input5"
pin:
pcf8574: pcf8574_hub_in_1
number: 4
mode: INPUT
inverted: true

- platform: gpio
name: "a8-input6"
pin:
pcf8574: pcf8574_hub_in_1
number: 5
mode: INPUT
inverted: true

- platform: gpio
name: "a8-input7"
pin:
pcf8574: pcf8574_hub_in_1
number: 6
mode: INPUT
inverted: true

- platform: gpio
name: "a8-input8"
pin:
pcf8574: pcf8574_hub_in_1
number: 7
mode: INPUT
inverted: true

download yaml demo for ESPHome:

.txt DI8_config_yaml.txt (Size: 1.53 KB / Downloads: 118)
about A0,A1,A2 i2c address setting:
A0 A1 A2
0 0 0 =0x20
0 0 1 =0x21
0 1 0 =0x22
0 1 1 =0x23
1 0 0 =0x24
1 0 1 =0x25
1 1 0 =0x26
1 1 1 =0x27

PCF8574 IO Expansion i2c relay board -DO8 ESPHome config yaml demo

Posted by: admin - 02-23-2024, 04:17 AM - Forum: Extender module - No Replies

i2c:
sda: 4 #replace by your board's pin define
scl: 5 #replace by your board's pin define
scan: true
id: bus_a

pcf8574:
- id: 'pcf8574_hub_out_1' # for output channel 1-8
address: 0x24 #replace by your PCF8574 address

switch:
- platform: gpio
name: "a8-light1"
pin:
pcf8574: pcf8574_hub_out_1
number: 0
mode: OUTPUT
inverted: true

- platform: gpio
name: "a8-light2"
pin:
pcf8574: pcf8574_hub_out_1
number: 1
mode: OUTPUT
inverted: true

- platform: gpio
name: "a8-light3"
pin:
pcf8574: pcf8574_hub_out_1
number: 2
mode: OUTPUT
inverted: true

- platform: gpio
name: "a8-light4"
pin:
pcf8574: pcf8574_hub_out_1
number: 3
mode: OUTPUT
inverted: true

- platform: gpio
name: "a8-light5"
pin:
pcf8574: pcf8574_hub_out_1
number: 4
mode: OUTPUT
inverted: true

- platform: gpio
name: "a8-light6"
pin:
pcf8574: pcf8574_hub_out_1
number: 5
mode: OUTPUT
inverted: true

- platform: gpio
name: "a8-light7"
pin:
pcf8574: pcf8574_hub_out_1
number: 6
mode: OUTPUT
inverted: true

- platform: gpio
name: "a8-light8"
pin:
pcf8574: pcf8574_hub_out_1
number: 7
mode: OUTPUT
inverted: true

download yaml demo for ESPHome:

.txt DO8_config_yaml.txt (Size: 1.58 KB / Downloads: 120)

about A0,A1,A2 i2c address setting:
A0 A1 A2
0 0 0 =0x20
0 0 1 =0x21
0 1 0 =0x22
0 1 1 =0x23
1 0 0 =0x24
1 0 1 =0x25
1 1 0 =0x26
1 1 1 =0x27

PCF8574 IO Expansion i2c digital input board -DI8 arduino demo code

Posted by: admin - 02-23-2024, 04:12 AM - Forum: Extender module - No Replies

Code:
#include "Arduino.h"

#include "PCF8574.h"

// Set i2c address

PCF8574 pcf8574(0x27,4,5); //4 is SDA 5 is SCL need replace by your board's pin define 

/*

A0  A1  A2

0    0    0    =0x20

0    0    1    =0x21

0    1    0    =0x22

0    1    1    =0x23

1    0    0    =0x24

1    0    1    =0x25

1    1    0    =0x26

1    1    1    =0x27

*/

unsigned long timeElapsed;

void setup()

{

    Serial.begin(115200);

    delay(1000);

//    pcf8574.pinMode(P0, OUTPUT);

 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 code download:

.zip

DI8.zip (Size: 594 bytes / Downloads: 110)

PCF8574 arduino library ZIP file download:

.zip

PCF8574_library.zip (Size: 23.8 MB / Downloads: 133)

PCF8574 IO Expansion i2c relay board -DO8 arduino demo code

Posted by: admin - 02-23-2024, 04:08 AM - Forum: Extender module - Replies (2)

Code:
#include "Arduino.h"

#include "PCF8574.h"

// Set i2c address

PCF8574 pcf8574(0x27,4,5);  //4 is SDA  5 is SCL  need replace by your board's pin define

/*

A0  A1  A2

0    0    0    =0x20

0    0    1    =0x21

0    1    0    =0x22

0    1    1    =0x23

1    0    0    =0x24

1    0    1    =0x25

1    1    0    =0x26

1    1    1    =0x27

*/

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.pinMode(P6, OUTPUT);

  pcf8574.pinMode(P7, OUTPUT);

//    pcf8574.pinMode(P1, INPUT);

    Serial.print("Init pcf8574...");

    if (pcf8574.begin()){

        Serial.println("OK");

    }else{

        Serial.println("KO");

    }

}

void loop()

{

    pcf8574.digitalWrite(P0, HIGH);

  delay(300);

  pcf8574.digitalWrite(P0, LOW);

  delay(300);

}

arduino code download

.zip

DO8.zip (Size: 485 bytes / Downloads: 155)
PCF8574 arduino library ZIP file download:

.zip

PCF8574_library.zip (Size: 23.8 MB / Downloads: 158)

how to set KC868-H32B Pro relay inching mode with push buttons

Posted by: admin - 02-23-2024, 03:39 AM - Forum: KC868-HxB series Smart Controller - Replies (4)

	for example: H32B Pro relay1 ON RS485 modbus command is: 01050000FF008C3A H32B Pro relay1 OFF RS485 modbus command is: 010500000000CDCA so you can create all custom RS485 protocol command for any buttons.

Updating ESPHome By Windows OS Command Line

Posted by: admin - 02-22-2024, 08:27 AM - Forum: Getting Started with ESPHome and Home Assistant - No Replies

	windows command line: pip3 install esphome --upgrade Or pip3 install esphome -U

how to use ESPHome dashboard in Windows OS

Posted by: admin - 02-20-2024, 11:50 AM - Forum: Getting Started with ESPHome and Home Assistant - No Replies

	(You have installed Python and ESPHome component, we have another lesson for it) 1. create folder called "config". 2. windows CMD mode , input command: esphome dashboard config/ 3. use web browser login with "localhost:6052"

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