IoT Beginner Project #1: How to Blink LED using BLYNK App Button with Internet of Things (IoT) via ESP32 Wifi Objective: To blink the LED using BLYNK app button via ESP32 Wifi. Components: Smart phone with BLYNK App Computer Breadboard ESP32 LED Resistor 220 Ohm Jumper Male-to-Female Micro USB-B Internet needed Schematic Diagram: Coding using Arduino IDE: #include <Blynk.h> #define BLYNK_PRINT Serial #include <WiFi.h> #include <WiFiClient.h> #include <BlynkSimpleEsp32.h> char auth[]="3mkKYun-7TmkxAK1x5J9XPD2gXl1QsXH";//Auth. token: char ssid[]="babysharkdudududu"; //wifi name: char pass[]="wifipassword"; // wifi password: int LEDpin= 22; void setup() { Serial.begin(115200); Blynk.begin(auth, ssid, pass); pinMode(LEDpin,OUTPUT); pinMode(LEDpin, LOW); } void loop(){ Blynk.run(); } Watch this project tutori...
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