Blynk - ESP8266

What does Blynk allow you to do?

• Write desktop apps
• Create mobile apps for controlling hardware
• Design websites
• Build operating systems

ESP8266 is mainly used for:

• Video processing
• Gaming development
• Wi-Fi-based microcontroller projects
• Audio decoding

What type of communication is used between Blynk and ESP8266?

• Serial
• Bluetooth
• Wi-Fi
• I2C

What does the Blynk Auth Token do?

• Starts the board
• Authenticates your device with your Blynk project
• Increases Wi-Fi speed
• Protects memory from overwrite

What widget lets you show text dynamically in the Blynk app?

• Slider
• Label
• Terminal
• Button

What are Virtual Pins used for in Blynk?

• Charging ESP8266
• Debugging serial output
• Software-defined communication between device and app
• Resetting device memory

Which board has built-in Wi-Fi?

• Arduino Uno
• ESP8266
• ATmega328P
• Raspberry Pi Pico

Which language is used to program ESP8266 in Arduino IDE?

• Python
• C++
• Java
• Assembly

What function connects ESP8266 to Blynk cloud?

• connectWiFi()
• beginSerial()
• Blynk.begin()
• startApp()

What does the Blynk Menu widget allow?

• Drawing shapes
• Choosing one option from a list
• Sending serial data
• Controlling analog pins