Hardware

In the specification of the capacity of a battery that is embedded in a device such as an IoT device or a smartphone, which of the following is the appropriate meaning of “100mAh”?

There is an IoT system that automatically opens and closes the water gate for a rice field by measuring the water level in the rice field. Which of the following is the appropriate combination of terms to be inserted into blanks A and B in the figure?

There is a system that consists of IoT devices and an IoT server, in which an IoT device sends the outside air temperature that it measured to the IoT server, and the IoT device opens and closes a window by following instructions from the IoT server. Which of the following is installed in the IoT device of this system and has the role of converting the outside air temperature into an electrical signal?

There is a system that consists of IoT devices and an IoT server, in which an IoT device sends the outside air temperature that it measured to the IoT server, and the IoT device opens and closes a window by following instructions from the IoT server. Which of the following is installed in the IoT device of this system and has the role of opening and closing the window?

There is a system that consists of IoT devices and an IoT server, in which an IoT device sends the outside air temperature that it measured to the IoT server, and a motor installed in the IoT device opens and closes a window by following instructions from the IoT server. Which of the following is an appropriate role of the actuator in this system?