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Think of the microcontroller as the brain of an IoT device. It handles all the programming and logic that controls different parts and connects with the Internet. Popular microcontrollers in IoT boards include Raspberry Pi, Arduino, ESP8266, and ESP32.
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A WiFi module is necessary for an Internet of Things (IoT) device to establish a wireless connection and access the Internet. This facilitates the exchange of data between the device and the cloud. The ESP8266 and ESP32 microcontrollers come equipped with WiFi modules.
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IoT development boards are equipped with programming interfaces such as USB or serial ports that facilitate developers’ transfer and debugging of code.
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More info: https://www.extnoc.com/learn/general/voip-services |