NodeMCU Arduino projects with wifi, multiple relay control, clock, weight sensor, humidity & temperature sensor, program memory saving.

1. The device connectivity and setup will act like a wifi IP camera setup. When we will turn

the device on then from the mobile app it should show all the nearest online devices,

then we have to select each device from the available device list and connect to any of

the available wifi networks to get it connected to the network and start working.

2. After successfully connected to the wifi, connected devices should be available to

manage via app locally and over online (if internet is available) from anywhere in the

[login to view URL] the same network, devices should be able to work and manage locally without

internet.

3. Clock module also is required as incase of internet got offline or power cut the device

should work as per the schedule with pre defined timing. For higher accuracy device

time should get updated via internet automatically as per internet availability.

4. If there are more than one device then the following sensor data should be shared

between devices in case of the device own sensor or module got failed (data out of

range) or damaged or offline.

● Time

● Temperature and Humidity

In case of clock module or humidity module of all the devices will got failed, manual data

entry option will be there to help the program run normally.

5. Once devices will get connected to the app for the first time then it won’t require to

connect again as it should be visible on the app and if the device is offline then the

device icon will be in black and white and unclickable.

6. Each device will have indication LED with RGB.

Constant Green > All modules are ok and device is connected and programme is

working.

Constant Blue> One or more, less important modules (clock module, humidity sensor)

are not ok but connected to the network wifi and partially working via syncing with other

devices.

Constant Yellow> Important modules ( Weight sensor or module, one or more relay

module) are offline but connected to the network wifi and partially working via syncing

with other devices.

Blinking Green> All ok and ready to connect but not yet connected to the wifi.

Blinking Blue> Some modules are not ok and not yet connected to the wifi. But the

settings saved in the system is working.

Constant Red> Major modules are offline and not connected to wifi and program is not

working.

Blinking Red> System is broken.

7. By clicking any of the logo(we should be able to rename the device on the app to mark

multiple devices) of the connected devices the following option will come.

Please go through the PDF

Taidot: Arduino, elektroniikka, C-ohjelmointi, Mobile App Development, PCB Design and Layout

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Projektin tunnus: #27958565