本文說明如何使用Blynk這個App來控制 NodeMcu 的內建LED燈。 This tutorial will teach you how to use Blynk App to control NodeMcu's built-in LED. 需要的器材有: Needed Material items: 1. 手機 (筆者使用Android手機) Cell Phone (Android Phone was used in this tutorial.) 2. NodeMcu 3. Micro USB Cable 步驟一: Step 1: 在手機上安裝Blynk App後,需註冊一個帳號,帳戶是使用email當作名稱,密碼自訂,驗証碼(ATUH TOKEN)會寄到這個信箱。 After installing Blynk App on your cell phone, you have to register a new account to receive the ATUH TOKEN. 步驟二: Step 2: Arduino IDE 安裝Blynk程式庫 Install Blynk library for Arduino IDE. 由Arduino IDE中開啟 檔案 --> 範例 --> Blynk --> Boards_WIFI --> ESP8266_Standalone In Arduino IDE, open ESP8266_Standalone example which is located at File --> Examples --> Blynk --> Boards_WIFI --> ESP8266_Standalone 檔案需要修改auth、ssid、pass三個地方,修改完成後就可以上傳到 NodeMcu。 According your setting, the auth, ssid, pass are to be modified. Then, you can upload the firmware to NodeMcu. 步驟三: ...