Date:27/7/2020-2/8/2020
Title: Redefine the methods to create the system
After I
have finalize my final hardware and software that will be use in this project
on the last week, I decide to make some changes on the block diagram and
flowchart regarding to my project.
Based
on block diagram in figure 8, the ultrasonic sensor are used to sense water
level of the river. Then NodeMcu will act as a microcontroller that collects
all the data on this device and then been transferred to the IoT platform which
is Thingspeak. The LCD as well as LED's role is to provide a view and show the
water level. Buzzer works as an alarm to alert the public and the authorities
when the floods occur, and the data will be uploaded to the IoT platform
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