{"id":629,"date":"2018-01-20T11:20:25","date_gmt":"2018-01-20T10:20:25","guid":{"rendered":"http:\/\/stigern.net\/blog\/?p=629"},"modified":"2018-01-21T11:38:19","modified_gmt":"2018-01-21T10:38:19","slug":"wemos-d1-mini-oled-shield","status":"publish","type":"post","link":"https:\/\/stigern.net\/blog\/wemos-d1-mini-oled-shield\/","title":{"rendered":"Using Wemos D1 Mini & Oled Shield"},"content":{"rendered":"

\"\"<\/a><\/p>\n

In this guide I’ll show you how to use the shield and it’s two buttons. Lets get to it.<\/p>\n

Resoltion is 64×48
\nButton A is by default pin D3.
\nButton B is by default pin D4.<\/p>\n

Buttons can be customized by soldering jumper pads under the shield.<\/p>\n

Parts:<\/strong><\/p>\n

Wemos D1 Mini @ Aliexpress<\/a><\/p>\n

Oled Shield @ Aliexpress<\/a><\/p>\n

PS, be sure to get the shield with A & B buttons when you buy it, there are a few types to choose from.<\/p>\n

Code:<\/strong><\/p>\n

There are several libraries to choose from, but I found the one from Sparkfun<\/a> to be suitable for my use.<\/p>\n

Download it, then unzip in libraries folder and restart Arduino IDE. Then paste my code:<\/p>\n

[codesyntax lang=”c” lines=”no” title=”Example Code”]<\/p>\n

#include <Wire.h>  \/\/ Include Wire if you're using I2C\r\n#include <SFE_MicroOLED.h>  \/\/ Include the SFE_MicroOLED library\r\n\r\n#define PIN_RESET 255  \/\/\r\n#define DC_JUMPER 0  \/\/ I2C Addres: 0 - 0x3C, 1 - 0x3D\r\n\r\nMicroOLED oled(PIN_RESET, DC_JUMPER); \/\/ Example I2C declaration\r\n\r\nvoid setup()\r\n{\r\n  \/\/ Before you can start using the OLED, call begin() to init\r\n  \/\/ all of the pins and configure the OLED.\r\n  oled.begin();\r\n  \/\/ clear(ALL) will clear out the OLED's graphic memory.\r\n  \/\/ clear(PAGE) will clear the Arduino's display buffer.\r\n  oled.clear(ALL);  \/\/ Clear the display's memory (gets rid of artifacts)\r\n\r\n  pinMode(D4, INPUT); \/\/ Setting D4 B Button as input\r\n  pinMode(D3, INPUT); \/\/ Setting D3 A Button as input\r\n}\r\n\r\nvoid loop()\r\n{\r\n  oled.clear(PAGE);     \/\/ Clear the screen\r\n  oled.setFontType(0);  \/\/ Set font to type 0\r\n  oled.setCursor(0, 0); \/\/ Set cursor to top-left\r\n  oled.print(\"Line 1\");\r\n  oled.setCursor(0, 8); \/\/ Set cursor to top-left\r\n  oled.print(\"Line 2\");\r\n  oled.setCursor(0, 16); \/\/ Set cursor to top-left\r\n  oled.print(\"Line 3\");\r\n  oled.setCursor(0, 24); \/\/ Set cursor to top-left\r\n  oled.print(\"Line 4\");\r\n  oled.setCursor(0, 32); \/\/ Set cursor to top-left\r\n  oled.print(\"Line 5\");\r\n  oled.setCursor(0, 40); \/\/ Set cursor to top-left\r\n  oled.print(\"Line 6\");\r\n\r\n\r\n  if (digitalRead(D4) == LOW)\r\n  {\r\n    oled.setCursor(0, 40); \/\/ Set cursor to top-left\r\n    oled.print(\"B Pushed\");\r\n\r\n  }\r\n\r\n  if (digitalRead(D3) == LOW)\r\n  {\r\n    oled.setCursor(0, 32); \/\/ Set cursor to top-left\r\n    oled.print(\"A Pushed\");\r\n\r\n  }\r\n  oled.display();\r\n}<\/pre>\n
[\/codesyntax]<\/p>\n
You should now see this when buttons are pressed:<\/p>\n
\"\"<\/a><\/p>\n
Thats it! Now play around with it. Hope this short guide was helpful.<\/p>\n","protected":false},"excerpt":{"rendered":"
In this guide I’ll show you how to use the shield and it’s two buttons. Lets get to it. Resoltion is 64×48 Button A is by default pin D3. Button B is by default pin D4. Buttons can be customized by soldering jumper pads under the shield. Parts: Wemos D1 Mini @ Aliexpress Oled Shield […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":1,"footnotes":""},"categories":[14,4],"tags":[16,140,368,45,369,367],"class_list":["post-629","post","type-post","status-publish","format-standard","hentry","category-arduino-electronics","category-electronics","tag-arduino","tag-electronics-2","tag-esp8266","tag-programming","tag-sht30","tag-wemos"],"yoast_head":"\nUsing Wemos D1 Mini & Oled Shield - Stigern.Net<\/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:\/\/stigern.net\/blog\/wemos-d1-mini-oled-shield\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Using Wemos D1 Mini & Oled Shield - Stigern.Net\" \/>\n<meta property=\"og:description\" content=\"In this guide I’ll show you how to use the shield and it’s two buttons. Lets get to it. Resoltion is 64×48 Button A is by default pin D3. Button B is by default pin D4. Buttons can be customized by soldering jumper pads under the shield. 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