Weather Lamp

3 min readNov 1, 2022

Weather Lamp is an RGB lamp made using Wiznet Pico WizFi360 and WS2812B leds. The lamp simulates the real-time weather using the openweathermap.org API. It read parameters like cloud intensity, temperature, and time and tries to mimic the cloud colours, sun/moon and change the base colour as temperature ranges.

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Supplies

WizFi360-EVB-Pico

WS2812B LED Strip

3D Printer

White Filament

Solder Kit

Connecting Wire

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Step 1: Designing & 3D Printing

I have designed the model in Fusion360.
Download the STL Files and 3D print them.

Step 2: Circuit Connection

Step 3: Assembly

Step 4: Getting OpenWeatherMap API Key

Go to openweathermap.org and create your account and verify it.
Now login to your account and click on you profile or right-top corner and go to My API Keys.
Copy the API Key that you see this will be used later in Step 6.

Step 5: Arduino Libraries Setup

https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json

Step 6: Code Changes

/* Wi-Fi info */
char ssid[] = "SSID"; // your network SSID (name)
char pass[] = "PASWORD"; // your network password

At line 153 I have added 5 to an hour and 30(Indian time zone IST 5:30) to Minutes and applied maths to convert the APIs GMT time into ISt time zone.
You may have to change the number(5 and 30) according to your time zone.

h = (h + 5) % 24;
 Serial.println(h);
 minute = (m + 30) % 60;// send the HTTP PUT request
 client1.println(F("GET /data/2.5/weather?lat=17.6795&lon=77.6051&appid=43f22249d3d42ec***********ca809b HTTP/1.1"));

Step 7: Code Compile and Upload

Connect your device using a MicroUSB cable.
Select the board type and port from the tools.
Now click on upload code, and it will automatically compile and upload the code.
After the code is successfully uploaded the device will connect with provided wifi and show the output.

Note: I am using My PC USB as the power source for the Weather Lamp, you can use a 5V adapter or a 3.7V Lithium Ion battery.