[Renzo Mischianti]

Hehehehehe.. I’m sorry for you, but It’s better for me.
Bye Renzo

[Renzo Mischianti]

Perfect Tans,
I’m glad you found the problem.
Bye Renzo

[Renzo Mischianti]

Hi Tans,
you code not use WiFiManager, to use It you must do something like this

/*
 * EMailSender library for Arduino, esp8266 and esp32
 * Simple esp8266 Gmail with Email From name send example
 *
 * http://mischianti.org/category/my-libraries/emailsender-send-email-with-attachments/
 *
 */

#include "Arduino.h"
#include 
#include 
#include  // https://github.com/tzapu/WiFiManager

const char *smtp_server = "smtp.gmail.com";
uint16_t smtp_port = 465;
const char *email_login = "@gmail.com";
const char *email_password = "";
const char *email_from = "@gmail.com";
const char *email_to = "@gmail.com";
const char *email_subject =
		"Device {{DEVICE_AP}}/{{DEVICE_LOCATION}} alerts water alarm!";

WiFiManager wifiManager;

EMailSender emailSend(email_login, email_password, email_from, smtp_server,
		smtp_port);


void configModeCallback (WiFiManager *myWiFiManager) {
  Serial.println("Entered config mode");
  Serial.println(WiFi.softAPIP());
  //if you used auto generated SSID, print it
  Serial.println(myWiFiManager->getConfigPortalSSID());
}

void setup() {
	Serial.begin(115200);

	  //WiFiManager
	  //Local intialization. Once its business is done, there is no need to keep it around
	  WiFiManager wifiManager;
	  //reset settings - for testing
//	  wifiManager.resetSettings();

	  //set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode
	  wifiManager.setAPCallback(configModeCallback);

	  //fetches ssid and pass and tries to connect
	  //if it does not connect it starts an access point with the specified name
	  //here  "AutoConnectAP"
	  //and goes into a blocking loop awaiting configuration
	  if(!wifiManager.autoConnect("esp8266 mischiantis test")) {
	    Serial.println("failed to connect and hit timeout");
	    //reset and try again, or maybe put it to deep sleep
	    ESP.reset();
	    delay(1000);
	  }

	  //if you get here you have connected to the WiFi
	  Serial.println(F("WIFIManager connected!"));

	  Serial.print(F("IP --> "));
	  Serial.println(WiFi.localIP());
	  Serial.print(F("GW --> "));
	  Serial.println(WiFi.gatewayIP());
	  Serial.print(F("SM --> "));
	  Serial.println(WiFi.subnetMask());

	  Serial.print(F("DNS 1 --> "));
	  Serial.println(WiFi.dnsIP(0));

	  Serial.print(F("DNS 2 --> "));
	  Serial.println(WiFi.dnsIP(1));

	EMailSender::EMailMessage message;
	message.subject = "Soggetto";
	message.message = "Ciao come stai
io bene.
www.mischianti.org";

	EMailSender::Response resp = emailSend.send(email_to, message);

	Serial.println("Sending status: ");

	Serial.println(resp.status);
	Serial.println(resp.code);
	Serial.println(resp.desc);
}

void loop() {

}

For additional detail you can check this guide

How to manage dynamic WIFI configuration on esp8266 or esp32

Bye Renzo

[Renzo Mischianti]

Hi Ludopot,
they response me

Hi Dear Customer,

Thanks for contacting Ebyte for sales and technical support.

1.All employees of Ebyte are having holiday and will get back to work after 19th, Feb. 2021.

2.Ebyte accept orders during holiday time but shipping date will be after 19th.Feb.2021.

For technical support cases, you may send your questions with full model numbers, order ID numbers, store name and, if you have, screenshots of your settings to me by email.

I will try to reply you every 1-3 days because I will have limited access to email.
Sorry for the inconvenience.
———————————
Best Regards,
Sales Engineer:Robin Hu
Email: sales06@ebyte.com
Phone: +86-18584911141
Skype: Ebyte Robin Hu
Website: http://www.ebyte.com/en/
Chengdu Ebyte Electronic Technology Co., Ltd.
Address:Building B5, Mould Industrial Park, 199# Xiqu Ave, West High-tech Zone, Chengdu, 611731

I rewrite the email with the orders information, but we must wait after the Chinese New Year.

Keep in touch, Bye Renzo

[Renzo Mischianti]

Hi ludopot,
for the compatibility I write to EByte, when i receive a response i write here.

But you can do all with a microcontroller some e22 and a max3485 ic.

To implement rs485 communication refer to this article

How to interface Arduino, esp8266 or esp32 to RS-485.

Pratically microcontroller retrieve information with max485 ic and send these with e22 device.

Bye Renzo

[Renzo Mischianti]

Don’t worry Turnoff,
for every doubt or qwestion write a topic without problems.
Bye Renzo

[Renzo Mischianti]

Hi Pim,
Wich platform do you use??
Bye Renzo

[Renzo Mischianti]

Hi Turnoff,
you can understand the syntax when you check the structure of the PCF8574 class:

class PCF8574 {
[...]
		struct DigitalInput {
			uint8_t p0;
			uint8_t p1;
			uint8_t p2;
			uint8_t p3;
			uint8_t p4;
			uint8_t p5;
			uint8_t p6;
			uint8_t p7;
		} digitalInput;
[...]
}

there is a structure DigitalInput declared inside the PCF8574 class declaration, so to reference the Object inside It you must use :: notation.

PCF8574::DigitalInput

I hope I was clear.

Bye Renzo

[Renzo Mischianti]

Hi Pedja,
You can use a pcf8591 that have 4 analog input and one analog output (256 position).

PCF8591 i2c Analog I/O Expander

You can connect the IC to the same i2c pin with a different address.

I think it’s sufficient to do the work.

Bye Renzo

[Renzo Mischianti]

Hi Pedja,

pcf8574 is a digital I/O expander, analogWrite work only for analog expander or PWM pin, so can’t work with pcf8574.

Bye Renzo

[Renzo Mischianti]

Hi Gilles,
I try to do a fix and i write here when ready.
Bye Renzo

[Renzo Mischianti]

Hi Cameron,
I understand what you want to do, but It’s discouraged because you lost some information (GTM for example), but here the code modified.
I advise you to use strftime that offer a lot of features here a list.

I update local time directly when the value is returned because if you call the functione more than one time you apply N time the DST and you lost control of the time.

		unsigned long epoch = tz.toLocal(timeClient.getEpochTime());
		setTime(epoch);

and use a strftime like so

	Serial.println(getEpochStringByParams(now(), "%H:%M:%S %d.%m.%Y It's a beautiful %A of %B"));

and the complete sketch
pay attention I add my timezone:

/*
 * Simple NTP client update system time with DST applyed (discouraged)
 * http://mischianti.org/
 *
 * The MIT License (MIT)
 * written by Renzo Mischianti 
 */

#define DEBUG

const char *ssid = "";
const char *password = "";

#include 
// change next line to use with another board/shield
#include 
//#include  // for WiFi shield
//#include  // for WiFi 101 shield or MKR1000
#include 
#include 
#include 
#include     // https://github.com/JChristensen/Timezone

/**
 * Input time in epoch format and return tm time format
 * by Renzo Mischianti 
 */
static tm getDateTimeByParams(long time) {
	struct tm *newtime;
	const time_t tim = time;
	newtime = localtime(&tim);
	return *newtime;
}
/**
 * Input tm time format and return String with format pattern
 * by Renzo Mischianti 
 */
static String getDateTimeStringByParams(tm *newtime, char *pattern =
		(char*) "%d/%m/%Y %H:%M:%S") {
	char buffer[90];
	strftime(buffer, 90, pattern, newtime);
	return buffer;
}

/**
 * Input time in epoch format format and return String with format pattern
 * by Renzo Mischianti 
 */
static String getEpochStringByParams(long time, char *pattern =
		(char*) "%d/%m/%Y %H:%M:%S") {
//    struct tm *newtime;
	tm newtime;
	newtime = getDateTimeByParams(time);
	return getDateTimeStringByParams(&newtime, pattern);
}

WiFiUDP ntpUDP;

// By default 'pool.ntp.org' is used with 60 seconds update interval and
// no offset
// NTPClient timeClient(ntpUDP);

// You can specify the time server pool and the offset, (in seconds)
// additionaly you can specify the update interval (in milliseconds).
int GTMOffset = 0; // SET TO UTC TIME
NTPClient timeClient(ntpUDP, "europe.pool.ntp.org", GTMOffset * 60 * 60,
		60 * 60 * 1000);

// Central European Time (Frankfurt, Paris)
TimeChangeRule CEST = { "CEST", Last, Sun, Mar, 2, 120 }; // Central European Summer Time
TimeChangeRule CET = { "CET ", Last, Sun, Oct, 3, 60 }; // Central European Standard Time
Timezone tz(CEST, CET);


//// US Pacific Time Zone (Las Vegas, Los Angeles)
//TimeChangeRule usPDT = {"PDT", Second, Sun, Mar, 2, -420};
//TimeChangeRule usPST = {"PST", First, Sun, Nov, 2, -480};
//Timezone tz(usPDT, usPST);

void setup() {
	Serial.begin(115200);
	WiFi.begin(ssid, password);

	while (WiFi.status() != WL_CONNECTED) {
		delay(500);
		Serial.print(".");
	}

	timeClient.begin();
	delay(1000);
	if (timeClient.update()) {
		Serial.print("Adjust local clock");
//		unsigned long epoch = timeClient.getEpochTime();
		unsigned long epoch = tz.toLocal(timeClient.getEpochTime());
		setTime(epoch);
	} else {
		Serial.print("NTP Update not WORK!!");
	}

}


void loop() {
// I print the time from local clock but first I check DST
// to add hours if needed
//	Serial.println(getEpochStringByParams(tz.toLocal(now())));
	Serial.println(getEpochStringByParams(now(), "%H:%M:%S %d.%m.%Y It's a beautiful %A of %B"));
	Serial.print("MyCrummyCode:");
	digitalClockDisplay();

	delay(1000);
}

tmElements_t tm;

time_t current_time() {
	return make_unixtime(tz.toLocal(second()), tz.toLocal(minute()),
			tz.toLocal(hour()), tz.toLocal(day()), tz.toLocal(month()),
			tz.toLocal(year()));
}

time_t make_unixtime(uint8_t sec, uint8_t mn, uint8_t hr, uint8_t dy,
		uint8_t mon, uint16_t yr) {
	tm.Second = sec;
	tm.Hour = hr;
	tm.Minute = mn;
	tm.Day = dy;
	tm.Month = mon;
	tm.Year = yr - 1970;
	return makeTime(tm);
}

void digitalClockDisplay() {
// digital clock display of the time
#ifdef DEBUG
		yield();
		Serial.print(hour());
		yield();
		printDigits(minute());
		yield();
		printDigits(second());
		yield();
		Serial.print(" ");
		yield();
		Serial.print(day());
		yield();
		Serial.print(".");
		yield();
		Serial.print(month());
		yield();
		Serial.print(".");
		yield();
		Serial.print(year());
		yield();
		Serial.print(" ");
		yield();
		Serial.println(dayStr(weekday()));
#endif
}

void printDigits(int digits) {
// utility for digital clock display: prints preceding colon and leading 0
	yield();
	Serial.print(":");
	if (digits < 10)
		Serial.print('0');
	yield();
	Serial.print(digits);
}

and here the result

MyCrummyCode:7:26:58 3.2.2021 Wednesday
07:26:59 03.02.2021 It's a beautiful Wednesday of February
MyCrummyCode:7:26:59 3.2.2021 Wednesday
07:27:00 03.02.2021 It's a beautiful Wednesday of February
MyCrummyCode:7:27:00 3.2.2021 Wednesday
07:27:01 03.02.2021 It's a beautiful Wednesday of February
MyCrummyCode:7:27:01 3.2.2021 Wednesday
07:27:02 03.02.2021 It's a beautiful Wednesday of February
MyCrummyCode:7:27:02 3.2.2021 Wednesday
07:27:03 03.02.2021 It's a beautiful Wednesday of February
MyCrummyCode:7:27:03 3.2.2021 Wednesday

Bye Renzo

Attachments:

You must be logged in to view attached files.

[Renzo Mischianti]

Hi Rainer,
It’s stragne, check again all the steps, then try to enable verbose debug

File->Preferences->Show verbose output during:. Tick boxes for compilation and upload.

And tell us the result.
Bye Renzo

[Renzo Mischianti]

Hi Jorn,
to manage pull up and pull down change in debounce, you must specify (like the Arduino pin) if the initial state is in pull up or pull down.

By default It’s pull down.

The library has an internal state that memorizes the value change, and though you don’t use an interrupt you can read the button change.

So initialization of your pin to work must be

unit->pinMode(3, INPUT_PULLUP);

Bye Renzo

[Renzo Mischianti]

Hi tpapas,

glad to have been helpful.

If you need more help write a topic.

Bye Renzo

[Author]

Posts