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v1.0.8
### Releases v1.0.8 1. Fix [AP-staying-open bug](#2). 2. Add clearConfigData() to clear and force ConfigPortal mode when necessary.
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‎README.md

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[![arduino-library-badge](https://www.ardu-badge.com/badge/Blynk_WiFiManager.svg?)](https://www.ardu-badge.com/Blynk_WiFiManager)
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I'm inspired by [`EasyBlynk8266`](https://github.com/Barbayar/EasyBlynk8266)
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I'm inspired by [`EasyBlynk8266`] (https://github.com/Barbayar/EasyBlynk8266)
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To help you to eliminate `hardcoding` your Wifi and Blynk credentials for ESP8266 and ESP32 (with / wwithout SSL), and updating/reflashing every time when you need to change them.
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With version `v1.0.7` or later, you now can configure:
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1. `Multiple WiFi Credentials (SSID, Password) and system will autoconnect to the best and available WiFi SSID.`
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2. `Multiple Blynk Credentials (Server, Token) and system will autoconnect to the available Blynk Servers.`
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With version `v1.0.5` or later, you now can configure:
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1. `Config Portal Static IP address, Name and Password.`
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2. `Static IP address, Gateway, Subnet Mask and 2 DNS Servers IP addresses.`
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### Installation
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The suggested way to install is to:
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1. Navigate to [Blynk_WM](https://github.com/khoih-prog/Blynk_WM) page.
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1. Navigate to [Blynk_WM] (https://github.com/khoih-prog/Blynk_WM) page.
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2. Download the latest release `Blynk_WM-master.zip`.
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3. Extract the zip file to `Blynk_WM-master` directory
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4. Copy whole `Blynk_WM-master/src` folder to Arduino libraries' `src` directory such as `~/Arduino/libraries/Blynk/src`.
@@ -46,8 +36,8 @@ to use SPIFFS or
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```
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#define USE_SPIFFS false
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```
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to use EEPROM ( 176 bytes from address EEPROM_START ) to save your configuration data.
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EEPROM_SIZE can be specified from 256 to 4096 bytes. See examples [ESP32WM_Config](https://github.com/khoih-prog/Blynk_WM/tree/master/examples/ESP32WM_Config) and [ESP8266WM_Config](https://github.com/khoih-prog/Blynk_WM/tree/master/examples/ESP8266WM_Config).
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to use EEPROM ( 172 bytes from address EEPROM_START ) to save your configuration data.
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EEPROM_SIZE can be specified from 256 to 4096 bytes. See examples [ESP32WM_Config] (https://github.com/khoih-prog/Blynk_WM/tree/master/examples/ESP32WM_Config) and [ESP8266WM_Config] (https://github.com/khoih-prog/Blynk_WM/tree/master/examples/ESP8266WM_Config).
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```
@@ -86,86 +76,18 @@ Also see examples:
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If it cannot connect to the Blynk server in 30 seconds, it will switch to `Configuration Mode`. You will see your built-in LED turned ON. In `Configuration Mode`, it starts an access point called `ESP_xxxxxx`. Connect to it using password `MyESP_xxxxxx` .
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<p align="center">
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<img src="https://github.com/khoih-prog/Blynk_WM/blob/master/pics/PortalAuth.jpg">
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<img src="https://github.com/khoih-prog/Blynk_WM/blob/master/pics/Selection_004.jpg">
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</p>
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After you connected, please, go to http://192.168.4.1.
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<p align="center">
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<img src="https://github.com/khoih-prog/Blynk_WM/blob/master/pics/ConfigPortal.png">
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<img src="https://github.com/khoih-prog/Blynk_WM/blob/master/pics/Selection_005.jpg">
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</p>
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Enter your credentials, then click `Save`. After you restarted, you will see your built-in LED turned OFF. That means, it connected to your Blynk server successfully.
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The following is the sample terminal output when running example [ESP8266WM_Config](examples/ESP8266WM_Config)
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```
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Starting ...
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[65] RFC925 Hostname = ESP8266-WM-Config
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[66] Calc Cksum = 0x309d, Read Cksum = 0x309d
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[66] Header = ESP8266, Board Name = ESP8266-Multi-WM
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[67] SSID = ****, PW = ****
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[70] SSID1 = ****1, PW1 = ****1
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[74] Server = 192.168.2.112, Token = ****
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[80] Server1 = account.duckdns.org, Token1 = ****
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[86] Port = 8080
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[88] Connecting MultiWifi...
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[11276] WiFi connected after time: 2
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[11276] SSID: ****, RSSI = -45 <= Connected to SSID
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[11276] Channel: 2, IP address: 192.168.2.91
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[11277] bg: WiFi connected. Try Blynk
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[11279]
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___ __ __
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/ _ )/ /_ _____ / /__
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/ _ / / // / _ \/ '_/
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/____/_/\_, /_//_/_/\_\
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/___/ v0.6.1 on NodeMCU
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[11292] BlynkArduinoClient.connect: Connecting to 192.168.2.112:8080 <= Try Server
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[11325] Ready (ping: 19ms). <= Connected to Server
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[11392] Connected to Blynk Server = 192.168.2.112, Token = ****
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[11392] bg: WiFi+Blynk connected
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Blynk ESP8288 using EEPROM connected. Board Name : ESP8266-Multi-WM
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EEPROM size = 4096 bytes, EEPROM start address = 512 / 0x200
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BRB
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[101232] run: WiFi lost. Reconnect WiFi+Blynk <= Lost SSID
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[101232] Connecting MultiWifi...
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[106316] WiFi connected after time: 1
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[106317] SSID: ****1, RSSI = -62 <= Connected to SSID1
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[106317] Channel: 4, IP address: 192.168.2.91
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[106317] run: WiFi reconnected. Connect to Blynk
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[106320] BlynkArduinoClient.connect: Connecting to 192.168.2.112:8080 <= Try Server
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[106352] Ready (ping: 11ms). <= Connected to Server
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[106419] run: WiFi+Blynk reconnected
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RB
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[165434] Heartbeat timeout <= Lost Server
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[165735] run: Blynk lost. Connect Blynk
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[165735]
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___ __ __
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/ _ )/ /_ _____ / /__
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/ _ / / // / _ \/ '_/
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/____/_/\_, /_//_/_/\_\
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/___/ v0.6.1 on NodeMCU
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[165741] BlynkArduinoClient.connect: Connecting to 192.168.2.112:8080 <= Try Server not OK
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[170741]
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___ __ __
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/ _ )/ /_ _____ / /__
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/ _ / / // / _ \/ '_/
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/____/_/\_, /_//_/_/\_\
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/___/ v0.6.1 on NodeMCU
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[170743] BlynkArduinoClient.connect: Connecting to account.duckdns.org:8080 <= Try Server1
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[170781] Ready (ping: 9ms).
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[170848] Connected to Blynk Server = account.duckdns.org, Token = **** <= Connected to Server1
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[170848] run: Blynk reconnected
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RBRBRBRBRBRBRB RBRB
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```
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You can see that the system automatically detect and connect to the best or avaiable WiFi APs and/or Blynk Servers, whenever interruption happens. This feature is very useful for systems requiring high degree of reliability.
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Moreover, this `Blynk.begin()` is not a blocking call, so you can use it for critical functions requiring in loop().
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This `Blynk.begin()` is not a blocking call, so you can use it for critical functions requiring in loop().
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Anyway, this is better for projects using Blynk just for GUI (graphical user interface).
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In operation, if WiFi or Blynk connection is lost, `Blynk.run()` will try reconnecting automatically. Therefore, `Blynk.run()` must be called in the `loop()` function. Don't use:
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```
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## Prerequisite
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* [`ESP8266 core 2.6.3 or later` for Arduino](https://github.com/esp8266/Arduino#installing-with-boards-manager)
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* [`Blynk library 0.6.1 or later`](https://www.arduino.cc/en/guide/libraries#toc3)
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* `ESP8266 core 2.5.2 or later` for Arduino (https://github.com/esp8266/Arduino#installing-with-boards-manager)
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* `Blynk library 0.6.1 or later` (https://www.arduino.cc/en/guide/libraries#toc3)
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## TO DO
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1. Same features for other boards with WiFi.
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## DONE
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1. Permit EEPROM size and location configurable to avoid conflict with others.
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2. More flexible to configure reconnection timeout.
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3. For fresh config data, don't need to wait for connecting timeout before entering config portal.
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4. If the config data not entered completely (SSID, password, Server and Blynk token), entering config portal
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5. Correct the operation of BUILTIN_LED
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6. Modify code to be compatible with ESP8266 core pre-2.5.2.
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7. Add RFC952 hostname
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8. Add configurable Config Portal IP, SSID and Password
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9. Add configurable Static IP, GW, Subnet Mask and 2 DNS Servers' IP Addresses.
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10. Add checksum for more reliable data
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11. Add MultiWiFi feature to enable reconnect to the best / available WiFi AP.
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12. Add MultiBlynk feature to enable reconnect to the best / available Blynk Server.
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1. Permit EEPROM size and location configurable to avoid conflict with others.
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2. More flexible to configure reconnection timeout.
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3. For fresh config data, don't need to wait for connecting timeout before entering config portal.
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4. If the config data not entered completely (SSID, password, Server and Blynk token), entering config portal
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5. Correct the operation of BUILTIN_LED
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6. Modify code to be compatible with ESP8266 core pre-2.5.2.
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## Example
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Please take a look at examples, as well.
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#define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET 5
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// Those above #define's must be placed before #include <BlynkSimpleEsp8266_WM.h>
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#define USE_SSL false
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#define USE_SSL true
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#if USE_SSL
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#include <BlynkSimpleEsp8266_SSL_WM.h>
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void setup()
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{
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....
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// From v1.0.5
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// Set config portal SSID and Password
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Blynk.setConfigPortal("TestPortal", "TestPortalPass");
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// Set config portal IP address
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Blynk.setConfigPortalIP(IPAddress(192, 168, 220, 1));
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// From v1.0.5, select either one of these to set static IP + DNS
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Blynk.setSTAStaticIPConfig(IPAddress(192, 168, 2, 230), IPAddress(192, 168, 2, 1), IPAddress(255, 255, 255, 0));
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//Blynk.setSTAStaticIPConfig(IPAddress(192, 168, 2, 220), IPAddress(192, 168, 2, 1), IPAddress(255, 255, 255, 0),
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// IPAddress(192, 168, 2, 1), IPAddress(8, 8, 8, 8));
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//Blynk.setSTAStaticIPConfig(IPAddress(192, 168, 2, 220), IPAddress(192, 168, 2, 1), IPAddress(255, 255, 255, 0),
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// IPAddress(4, 4, 4, 4), IPAddress(8, 8, 8, 8));
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// Use this to default DHCP hostname to ESP8266-XXXXXX or ESP32-XXXXXX
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//Blynk.begin();
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// Use this to personalize DHCP hostname (RFC952 conformed)
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Blynk.run();
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}
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```
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### Releases v1.0.7
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***Why this version***
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1. Add checksum for more reliable data
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2. Add MultiWiFi feature to enable reconnect to the best / available WiFi AP.
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3. Add MultiBlynk feature to enable reconnect to the best / available Blynk Server.
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### Releases v1.0.6
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***Why this version***
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Optimize, fix ESP32 EEPROM size to 2K from 4K, shorten code size, add functions, use dynamically allocated Config Portal WebServer.
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### Releases v1.0.5
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***Why this version***
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Normally, the `default Portal IP (192.168.4.1)`, SSID and PW as well as the `dynamically allocated` board's IP address are good enough.
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In special cases where there is conflict, if static IP is required or bad router's DNS settings, you can use the new features to force the configurable IP addresses. ***But please use with care to avoid potential issues.***
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***New in this version***
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Add new features to enable :
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1. configuring Portal Static IP address, Name and Password.
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2. configuring Static IP address, Gateway, Subnet Mask and 2 DNS Servers IP addresses.
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### Releases v1.0.4
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***Why this version***

‎keywords.txt

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WidgetTable KEYWORD1
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BlynkParam KEYWORD1
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BlynkParamAllocated KEYWORD1
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WiFi_Credentials KEYWORD1
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Blynk_Credentials KEYWORD1
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Blynk_WF_Configuration KEYWORD1
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#######################################
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# Methods and Functions (KEYWORD2)
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loadConfigData KEYWORD2
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saveConfigData KEYWORD2
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getConfigData KEYWORD2
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connectMultiWiFi KEYWORD2
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connectMultiBlynk KEYWORD2
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connectToWifi KEYWORD2
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handleRequest KEYWORD2
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startConfigurationMode KEYWORD2
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setHostname KEYWORD2
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setConfigPortalIP KEYWORD2
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setConfigPortal KEYWORD2
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setSTAStaticIPConfig KEYWORD2
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getServerName KEYWORD2
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getToken KEYWORD2
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getBlynkBTToken KEYWORD2
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getBlynkBLEToken KEYWORD2
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getBoardName KEYWORD2
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getHWPort KEYWORD2
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getFullConfigData KEYWORD2
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setHostname KEYWORD2
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# Handler helpers
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BLYNK_READ KEYWORD2

‎library.json

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{
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"name": "Blynk_WM",
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"version": "1.0.7",
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"version": "1.0.4",
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"description": "Build a smartphone app for your project in minutes. Blynk allows creating IoT solutions easily. It supports WiFi, BLE, Bluetooth, Ethernet, GSM, USB, Serial. Works with many boards like ESP8266, ESP32, Arduino UNO, Nano, Due, Mega, Zero, MKR100, Yun, Raspberry Pi, Particle, Energia, ARM mbed, Intel Edison/Galileo/Joule, BBC micro:bit, DFRobot, RedBearLab, Microduino, LinkIt ONE ...",
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"keywords": "sensors, control, device, smartphone, mobile, app, web, cloud, communication, protocol, iot, m2m, wifi, ble, bluetooth, ethernet, usb, serial, gsm, gprs, 3g, data, esp8266, http",
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"authors":

‎library.properties

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name=Blynk_WiFiManager
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version=1.0.7
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version=1.0.4
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author=Khoi Hoang
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license=MIT
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maintainer=Khoi Hoang <[email protected]>
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sentence=Simple WiFiManager for Blynk and ESP8266/ESP32 with or without SSL, configuration data saved in either SPIFFS or EEPROM
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paragraph=Library for configuring/auto(re)connecting ESP8266/ESP32 modules to MultiWiFi and MultiBlynk at runtime.
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paragraph=Library for configuring/auto(re)connecting ESP8266/ESP32 modules to WiFi and Blynk at runtime.
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category=Communication
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url=https://github.com/khoih-prog/Blynk_WM
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architectures=esp8266,esp32
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depends=Blynk

‎src/BlynkSimpleEsp32_SSL_WM.h

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* Forked from Blynk library v0.6.1 https://github.com/blynkkk/blynk-library/releases
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* Built by Khoi Hoang https://github.com/khoih-prog/Blynk_WM
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* Licensed under MIT license
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* Version: 1.0.7
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* Version: 1.0.8
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*
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* Original Blynk Library author:
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* @file BlynkSimpleEsp8266.h
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* 1.0.5 K Hoang 20/01/2020 Add configurable static IP, GW, SN, DNS1, DNS2 and Config Portal static IP and Credentials
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* 1.0.6 K Hoang 05/02/2020 Optimize, fix EEPROM size to 2K from 4K, shorten code size, add functions
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* 1.0.7 K Hoang 18/02/2020 Add checksum, enable AutoConnect to configurable MultiWiFi and MultiBlynk Credentials
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* 1.0.8 K Hoang 24/02/2020 Fix AP-staying-open bug. Add clearConfigData()
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*****************************************************************************************************************************/
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#ifndef BlynkSimpleEsp32_SSL_WM_h
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, LED_OFF);
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WiFi.mode(WIFI_STA);
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if (iHostname[0] == 0)
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{
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#ifdef ESP8266
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return (configData);
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}
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void clearConfigData()
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{
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memset(&BlynkESP32_WM_config, 0, sizeof(BlynkESP32_WM_config));
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saveConfigData();
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}
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private:
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WebServer *server;

‎src/BlynkSimpleEsp32_WM.h

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* Forked from Blynk library v0.6.1 https://github.com/blynkkk/blynk-library/releases
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* Built by Khoi Hoang https://github.com/khoih-prog/Blynk_WM
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* Licensed under MIT license
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* Version: 1.0.7
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* Version: 1.0.8
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*
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* Original Blynk Library author:
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* @file BlynkSimpleEsp8266.h
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* 1.0.5 K Hoang 20/01/2020 Add configurable static IP, GW, SN, DNS1, DNS2 and Config Portal static IP and Credentials
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* 1.0.6 K Hoang 05/02/2020 Optimize, fix EEPROM size to 2K from 4K, shorten code size, add functions
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* 1.0.7 K Hoang 18/02/2020 Add checksum, enable AutoConnect to configurable MultiWiFi and MultiBlynk Credentials
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* 1.0.8 K Hoang 24/02/2020 Fix AP-staying-open bug. Add clearConfigData()
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*****************************************************************************************************************************/
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#ifndef BlynkSimpleEsp32_WM_h
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, LED_OFF);
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WiFi.mode(WIFI_STA);
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if (iHostname[0] == 0)
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{
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#ifdef ESP8266
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return (configData);
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}
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void clearConfigData()
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{
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memset(&BlynkESP32_WM_config, 0, sizeof(BlynkESP32_WM_config));
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saveConfigData();
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}
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private:
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WebServer *server;
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uint8_t status;
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BLYNK_LOG1(BLYNK_F("Connecting MultiWifi..."));
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//WiFi.mode(WIFI_STA);
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int i = 0;
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status = wifiMulti.run();

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