Examples of microcontrollers
Arduino UNO Rev3
Arduino Uno Rev3 (https://store.arduino.cc/usa/arduino-uno-rev3) is an open-source microcontroller board based on the Microchip ATmega328P microcontroller and developed by the tech company Arduino. The board is equipped with sets of digital and analog input/output (I/O) pins that may be interfaced to various expansion boards (shields) and other circuits. It has 14 digital input/output pins, 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header and a reset button. Since it has everything required for supporting the microcontroller, one can simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
Advantages: Arduino Uno is easy to learn, has low costs, plus a wide array of sensors and several third-party libraries. There’s a large number of (online and free) resources that can be used with this IoT board.
Disadvantages: When compared to Raspberry Pi, Arduino Uno needs some effort in order to carry out tasks such as scheduling and database storage. So Arduino is not a great choice if you need more processing power and memory.
Arduino Uno projects: Arduino Uno is perfect for projects such as programming a temperature and humidity sensor, detecting motion with AC/ static electricity, controlling an automated soldering robotic arm and so on.
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