5.5. Case Study 4: Smart Sensor Node for IoT

Try these first

1. 1.

   What are the main data types collected by smart sensor nodes?

   Hint

   Think about environmental conditions.

2. 2.

   What is the purpose of a DAC in a smart sensor node?

   Hint

   Consider applications that involve controlling physical devices.

3. 3.

   What protocol can the smart sensor node use for data transmission?

   • Bluetooth
   • Wi-Fi
   • Zigbee

   Hint

   Consider which protocols are known for longer-range communication.

4. 4.

   True or False: A SAR ADC is known for its high resolution and low power consumption.

   • True
   • False

   Hint

   Think about the characteristics of different ADC types.

5. 5.

   Design a smart sensor node tailored for urban pollution monitoring. What sensors would you choose, and how would you address power efficiency?

   Hint

   Consider the urban environmental factors and the energy needs.

6. 6.

   Explain the benefits and drawbacks of using mixed-signal circutry in IoT devices.

   Hint

   Think about the trade-offs between performance and integration.