Now we have all the hardware implemented we can start looking at software. I downloaded and installed software called Glediator to create animations for the LEDs ( The installation instructions can be a bit fiddly but follow the website closely and you should be fine. We also need to download the sketch from the Glediator website to upload to the Arduino ( We are using WS2812B LEDs so make sure you download the right one (WS2812 Glediator Interface). Once you open this sketch, change the NUMBER_OF_PIXELS to 144 and upload it to the Arduino.
For a glass table top where the glass sits in a metal frame, such as a patio table top, it can be a little tricky to get the exact glass you'll need. If you need to replace broken glass that sits inside a metal frame, please straighten the frame before you measure for the glass you need. We will fabricate the glass exactly to the dimensions you provide with a 1/8" cutting tolerance.
Over 900 species of insect have been recorded as pests of coffee crops worldwide. Of these, over a third are beetles, and over a quarter are bugs. Some 20 species of nematodes, 9 species of mites, and several snails and slugs also attack the crop. Birds and rodents sometimes eat coffee berries, but their impact is minor compared to invertebrates.[62] In general, arabica is the more sensitive species to invertebrate predation overall. Each part of the coffee plant is assailed by different animals. Nematodes attack the roots, coffee borer beetles burrow into stems and woody material,[63] and the foliage is attacked by over 100 species of larvae (caterpillars) of butterflies and moths.[64]

Now in the serial monitor we can send commands to the HC05 and see its response. Type "AT" and press send and you should see "OK" come back on the serial monitor - now we know it is listening. The bluetooth name of the device can be changed by typing "AT+NAME=XYZPQR" where XYZPQR is what you want the module to be called. I called mine LightWave. The default passcode for the bluetooth module is 1234 (or 0000) but this can be changed too by sending "AT+PSWD=9876" for example. Finally, we can change the communication rate of the HC05 by sending "AT+UART=38400". This is the default rate for most HC05 modules but mine was set differently so it is good practice to set it to be sure. There are lot's more details about these commands here : and there are also instructables about this step that have much more detail
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