{"id":8030,"date":"2024-04-20T22:41:09","date_gmt":"2024-04-20T22:41:09","guid":{"rendered":"https:\/\/mc.scsiraidguru.com\/?page_id=8030"},"modified":"2024-04-21T12:18:01","modified_gmt":"2024-04-21T12:18:01","slug":"mega-2560-wifi","status":"publish","type":"page","link":"https:\/\/mc.scsiraidguru.com\/index.php\/arduino\/mega-2560-wifi\/","title":{"rendered":"Mega 2560 Wifi"},"content":{"rendered":"\t\t
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Flash the Mega 2560 Wifi<\/a><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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HARDWARE SETUP<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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All that\u2019s needed to update the firmware on your Mega\/Uno with WiFi is to set DIP switches 1,2,3,4 OFF and 5,6,7 ON (8 is not used).<\/p>

If you\u2019re updating a Mega, you also need to set the slide switch to TXD3. This allows you to use COM1 for Serial Debugging messages and COM3 for the ESP WiFi side and is 100% compatible with a standard Mega with separate ESP-10<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Set to the right comm port and 115200 baud rate
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Erase first: Should take about 10-40s.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Click start will take about 40 seconds to complete.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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The firmware download takes around 40 seconds to complete, after which the status button changes from DOWNLOAD to FINISH. When the firmware has finished uploading, set DIP switch 7 to OFF, to prevent any accidental reprogramming of your new firmware.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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To verify everything worked OK, start your Arduino IDE (or preferred Serial comms program), open the Serial Monitor and set it to 115,200 baud and Both NL & CR (New Line & Carriage Return). Press the Arduino Mega\/WiFi’s Reset button then type in AT+GMR. You will see a line of garbage followed by:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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ready<\/span>
AT<\/span>+<\/span>GMR<\/span>
AT\u00a0version<\/span>:<\/span>1.6<\/span>.<\/span>2.0<\/span>(<\/span>Apr<\/span>\u00a0<\/span>13<\/span>\u00a0<\/span>2018<\/span>\u00a0<\/span>11<\/span>:<\/span>10<\/span>:<\/span>59<\/span>)<\/span>
SDK\u00a0version<\/span>:<\/span>2.2<\/span>.<\/span>1<\/span>(<\/span>6ab97e9<\/span>)<\/span>
compile\u00a0time<\/span>:<\/span>Jun<\/span>\u00a0\u00a0<\/span>7<\/span>\u00a0<\/span>2018<\/span>\u00a0<\/span>19<\/span>:<\/span>34<\/span>:<\/span>26<\/span>
Bin<\/span>\u00a0version<\/span>(<\/span>Wroom<\/span>\u00a0<\/span>02<\/span>):<\/span>1.6<\/span>.<\/span>2<\/span>
OK<\/span><\/pre><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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That\u2019s it really, to use your Arduino WiFi combo board as if it\u2019s a standard Mega (or Uno) with an on-board ESP WiFi chip that responds to AT commands, and works with current Arduino WiFi libraries. Just set DIP switches 1,2,3,4 ON and 5, 6, 7 OFF and the slide switch to TXD3 (Mega only).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Is Wifi working?<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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wifi_config.ino<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\/*
\u00a0WiFiEsp example: WebClient

\u00a0This sketch connects to google website using an ESP8266 module to
\u00a0perform a simple web search.

\u00a0For more details see: http:\/\/yaab-arduino.blogspot.com\/p\/wifiesp-example-client.html
*\/

#include \"WiFiEsp.h\"
#include \"arduino_wifi.h\"
char server[] = \"www.google.com\";

\/\/ Emulate Serial1 on pins 6\/7 if not present
#ifndef HAVE_HWSERIAL3
#include \"SoftwareSerial.h\"
SoftwareSerial Serial3(6, 7); \/\/ RX, TX
#endif

char ssid[] = SECRET_SSID;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ your network SSID (name)
char pass[] = SECRET_PASS;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ your network password
int status = WL_IDLE_STATUS;\u00a0\u00a0\u00a0\u00a0 \/\/ the Wifi radio's status

\/\/ Initialize the Ethernet client object
WiFiEspClient client;

void setup()
{
\u00a0 \/\/ initialize serial for debugging
\u00a0 Serial.begin(115200);
\u00a0 \/\/ initialize serial for ESP module
\u00a0 Serial3.begin(115200);
\u00a0 \/\/ initialize ESP module
\u00a0 WiFi.init(&Serial3);

\u00a0 \/\/ attempt to connect to WiFi network
\u00a0 while ( status != WL_CONNECTED) {
\u00a0\u00a0\u00a0 Serial.print(\"Attempting to connect to WPA SSID: \");
\u00a0\u00a0\u00a0 Serial.println(ssid);
\u00a0\u00a0\u00a0 \/\/ Connect to WPA\/WPA2 network
\u00a0\u00a0\u00a0 status = WiFi.begin(ssid, pass);
\u00a0 }

\u00a0 \/\/ you're connected now, so print out the data
\u00a0 Serial.println(\"You're connected to the network\");
\u00a0 
\u00a0 printWifiStatus();
\u00a0 \u00a0
}

void loop()
{
\u00a0 \/\/ if there are incoming bytes available
\u00a0 \/\/ from the server, read them and print them
\u00a0 while (client.available()) {
\u00a0\u00a0\u00a0 char c = client.read();
\u00a0\u00a0\u00a0 Serial.write(c);
\u00a0 }
}


void printWifiStatus()
{
\u00a0 \/\/ print the SSID of the network you're attached to
\u00a0 Serial.print(\"SSID: \");
\u00a0 Serial.println(WiFi.SSID());

\u00a0 \/\/ print your WiFi shield's IP address
\u00a0 IPAddress ip = WiFi.localIP();
\u00a0 Serial.print(\"IP Address: \");
\u00a0 Serial.println(ip);
\u00a0 IPAddress subnet = WiFi.subnetMask();
\u00a0 Serial.print(\"Subnet: \");
\u00a0 Serial.println(subnet);
}

<\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#define SECRET_SSID \"SSID_NAME\"
#define SECRET_PASS \"SSID_PW\"<\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Output<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Attempting to connect to WPA SSID: xxxxxxxx
[WiFiEsp] Connected to xxxxxxxxx
You're connected to the network
SSID: xxxxxxx
IP Address: 172.16.60.3
Subnet: 255.255.255.0<\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"
Flash the Mega 2560 Wifi HARDWARE SETUP All that\u2019s needed to update the firmware on your Mega\/Uno with WiFi is to set DIP switches 1,2,3,4 OFF and 5,6,7 ON (8 is not used). If you\u2019re updating a Mega, you also need to set the slide switch to TXD3. This allows you to use COM1 for […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":235,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"custom","ocean_center_header_left_menu":"","ocean_custom_header_template":"7119","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","osh_disable_topbar_sticky":"default","osh_disable_header_sticky":"default","osh_sticky_header_style":"default","osh_sticky_header_effect":"","osh_custom_sticky_logo":0,"osh_custom_retina_sticky_logo":0,"osh_custom_sticky_logo_height":0,"osh_background_color":"","osh_links_color":"","osh_links_hover_color":"","osh_links_active_color":"","osh_links_bg_color":"","osh_links_hover_bg_color":"","osh_links_active_bg_color":"","osh_menu_social_links_color":"","osh_menu_social_hover_links_color":"","footnotes":""},"class_list":["post-8030","page","type-page","status-publish","hentry","entry"],"yoast_head":"\nMega 2560 Wifi -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mc.scsiraidguru.com\/index.php\/arduino\/mega-2560-wifi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mega 2560 Wifi -\" \/>\n<meta property=\"og:description\" content=\"Flash the Mega 2560 Wifi HARDWARE SETUP All that\u2019s needed to update the firmware on your Mega\/Uno with WiFi is to set DIP switches 1,2,3,4 OFF and 5,6,7 ON (8 is not used). If you\u2019re updating a Mega, you also need to set the slide switch to TXD3. 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