My Relay Module

[gigi]

I started a project with Mysensors to automate some parts of my home, I made the first gateway with Arduino and an ethernet shield.

My goal was to have a 220V controlled by Vera Lite.

What you need:
-Arduino Nano
-Radio module NRF24L01 +
-capacitors
-resistances
-breadboard thousand holes
-Relay Module 10A
-cables and plugs

The wiring diagram.

is important to the condensoatore of VCC and GND of the radio to the stability and the good reception of the same.

Here's my self-built PCB

we put it all in a box of Gewiss 8cm x 12 cm

We insert the power supply

finally finished work:

Vera display

Link code

Thanks to All

[NotYetRated]

Very nice write up! Next add some current sensing ability to see what your load is pulling. :) Although if used for lighting, mostly negligible I suppose haha.

[hek]

Nice setup @gigi!

[gigi]

@NotYetRated said:

Very nice write up! Next add some current sensing ability to see what your load is pulling. :)

A non invasive sensor would be ideal. I alredy use energimonitor for solar panels!!!!!

[Nicola Reina]

Bello GiGi! Nice GiGi.

If you want pm me as I understand we are from the same country.
May be we can exchange some experience in italian ;-)
Will copy your design

[gigi]

@Nicola-Reina Ok

[jemish]

if we put this box in wall then power supply will safe or not?

5v power supply adapter's temperature will afact or not?

[dayve218]

any one care to confirm whats happening with the AC wires in this? i cant quite make it out from the photos

[Michel - It]

Hello everyone , I have a problem . maybe it's stupid , I have a server with raspberry domoticz , I downloaded code, but by the following error

[hek]

You seem to have downloaded the development branch of the MySensors library. The code you're trying to run is 1.5.

[Michel - It]

I downloaded this , https://github.com/mysensors/Arduino . I Submitted libraries entirely within the zip file in my briefcase Arduino library.
however it from the library is the 1.5 readme. Where am I wrong ?
il codice è il seguente

#include <MySensor.h>

#include <SPI.h>
#include <Bounce2.h>

#define RELAY_PIN 4 // Arduino Digital I/O pin number for relay
#define BUTTON_PIN 3 // Arduino Digital I/O pin number for button
#define CHILD_ID 1 // Id of the sensor child
#define RELAY_ON 1
#define RELAY_OFF 0

Bounce debouncer = Bounce();
int oldValue=0;
bool state;
MySensor gw;
MyMessage msg(CHILD_ID,V_LIGHT);

void setup()
{
gw.begin(incomingMessage, AUTO, true);

// Send the sketch version information to the gateway and Controller
gw.sendSketchInfo("Relay & Button", "1.0");

// Setup the button
pinMode(BUTTON_PIN,INPUT);
// Activate internal pull-up
digitalWrite(BUTTON_PIN,HIGH);

// After setting up the button, setup debouncer
debouncer.attach(BUTTON_PIN);
debouncer.interval(5);

// Register all sensors to gw (they will be created as child devices)
gw.present(CHILD_ID, S_LIGHT);

// Make sure relays are off when starting up
digitalWrite(RELAY_PIN, RELAY_OFF);
// Then set relay pins in output mode
pinMode(RELAY_PIN, OUTPUT);

// Set relay to last known state (using eeprom storage)
state = gw.loadState(CHILD_ID);
digitalWrite(RELAY_PIN, state?RELAY_ON:RELAY_OFF);
}
/*
* Example on how to asynchronously check for new messages from gw
*/
void loop()
{
gw.process();
debouncer.update();
// Get the update value
int value = debouncer.read();
if (value != oldValue && value==0) {
gw.send(msg.set(state?false:true), true); // Send new state and request ack back
}
oldValue = value;
}

void incomingMessage(const MyMessage &message) {
// We only expect one type of message from controller. But we better check anyway.
if (message.isAck()) {
Serial.println("This is an ack from gateway");
}

if (message.type == V_LIGHT) {
// Change relay state
state = message.getBool();
digitalWrite(RELAY_PIN, state?RELAY_ON:RELAY_OFF);
// Store state in eeprom
gw.saveState(CHILD_ID, state);

// Write some debug info
Serial.print("Incoming change for sensor:");
Serial.print(message.sensor);
Serial.print(", New status: ");
Serial.println(message.getBool());
}
}```

[hek]

mysensors.org/download/

[Michel - It]

thank you! I apologize for my level , I hope to fix with your help.

[Michel - It]

Here is the improved code that I used on my Arduino Mega to create a home automation controller

New optimized code to arduino mega

https://codebender.cc/sketch:206446

[Michel - It]

Update: Forget it, the code works with Arduino Mini and 2 relay. I tried one after the code of Arduino Mega and not working. Something wrong but I do not know what I require help

I found mistakes on Arduino Mega solvable at the following link
http://forum.mysensors.org/topic/2161/the-mysensor-1-5-code-is-not-compiling-for-my-arduino-mega-2560-board/1
but I do not have this kind of problem you can get support? I connected NRF24L01 to Arduino Mega, as if it were an Arduino Nano, right?

[hek]

The SPI pins has different pin numbers on the Mega.

Here is an example that runs the the Mega:
http://www.mysensors.org/build/scene_controller

[Michel - It]

I connected the radio module as follows

AtMega 2650 Arduino Step Down Module/Radio
GND > GND
5V > Step Down module VCC
14 > SCK
15 > MOSI
16 > MISO
17 > CE
18 > CSN
I tried but it did not work I tried to connect also IrQ
2 > IRQ
it did not work. I tried to connect to 3v3 with the capacitor. it did not work. I tried adding the line in the code
#include <MyTransportNRF24.h>
#include <MyHwATMega328.h>
but to no avail. I am groping in the dark

[hek]

You haven't said what problem you experience. Logs or anything else...

[Michel - It]

I have "check wires" error on the serial arduino....
where do I fit in debug mode there is a guide?
I saw a video that uses MQTT program on mac.
I have downloaded windows MYSController I can be of help? How do I connect my PC? It is all new and are a little confused. :dizzy_face: :u7a7a:

I "atmega adk" is a problem?
https://www.arduino.cc/en/uploads/Main/ArduinoADK_R3_Front_450px.jpg

[pjr]

Have you defined using softspi since using those pins?

I'm using different pins with mega and everything started to work after adding capacitor to radio:
GND > GND
3.3 > VCC
52 > SCK
51 > MOSI
50 > MISO
9 > CE
10 > CSN
2 > IRQ