Smart On Air Sign

thingiverse

# Smart OnAir Sign Find all details in my GitHub repository: https://github.com/AstralJaeger/SmartOnAirSign Do you know this issue, you are in a remote meeting and suddenly your roommate/significant other walks in and wants to talk to you? I certainly do, that's why I designed this WiFi enabled on-air sign because I couldn't find one I liked. The device operates rather simply: A web server runs on a Wemos D1 mini which hosts an mDNS enabled web server with can be easily reached with the URL http://onairsign.local/. In order to manipulate the color the device displays the URL http://onairsign.local/color can be used with the following parameters: | Parameter | Description | Example | |-----------|------------------------------------------|--------------------------------------| | **r** | This parameter changes the red part of the displayed color. Values range from 0 to 255, whole numbers only. | http://onairsign.local/color?r=128 | | **g** | This parameter changes the green part of the displayed color. Values range from 0 to 255, whole numbers only. | http://onairsign.local/color?g=128 | | **b** | This parameter changes the blue part of the displayed color. Values range from 0 to 255, whole numbers only. | http://onairsign.local/color?b=128 | | **lum** | This parameter changes the brightness of the led's. Values range from 0 to 255, whole numbers only. | http://onairsign.local/color?lum=128 | | **s** | This is the status parameter. Values may be 0, 1 or 2. 0 displays a rainbow wave, 1 displays the set color, 2 turns the display off. | http://onairsign.local/color?s=1 | ## Examples - This sets the color to red at full brightness: http://onairsign.local/color?r=255&g=0&b=0&lum=255&s=1 - This disables the display: http://onairsign.local/color?s=2 - This shows a rainbow wave: http://onairsign.local/color?s=0 ## Required tools - 3D printer (obviously) - Soldering iron - Solder - Allen key ## BOM - *1 x* **[LOLIN (WEMOS) D1 Mini](https://it.aliexpress.com/item/32529101036.html?spm=a2g0s.9042311.0.0.653f4c4dwwleCD)** - *1 x* **[WS2812B 5V LED strip](https://it.aliexpress.com/item/2036819167.html?spm=a2g0s.9042311.0.0.653f4c4dAy9aew)** - *4-6 x* **[M3x8 or M3x12 Screws](https://it.aliexpress.com/item/32846918173.html?spm=a2g0s.9042311.0.0.653f4c4dAy9aew)** - *1 x* **3D printed top shell** - *1 x* **3D printed bottom shell** - *1 x* **3D printed light diffuser or sheet of paper** (optional)