Humidity Sensor

Digital Humidity sensors are of great help in maintaining suitable environmental condition in places such as ware houses, green houses, factories, smart homes etc. They are also very easy to interface with MCU and PC. When coupled with a PC or Microcontroller they can be used in wide variety of smart automation. One such sensor I will present today is a serial humidity sensor. The interface is very simple. The communication is done over a standard asynchronous serial line. The interface parameters are as follows.

• UART 9600 bps.
• Start bit: 1
• Stop bit: 1
• Parity Bit : 0 (No parity bit)
• No Flow Control.

Resources

• eXtreme Electronics's Tutorial on Humidity Sensors.
• Humidity data on graphical LCD.

Videos