Christmas Tree Arduino. The rtc chip switches on and off the tree at the planned hours. The leds are adafruit s neopixels.
This pcb has an onboard arduino that can be used with the arduino sketch environment bootloader has to be uploaded first. Building the circuit for our christmas light show with arduino set up the circuit as shown in the diagram and connect an external relay power source. Remove the jumper in most relay boards.
The leds are adafruit s neopixels.
Since it is not recommended to draw the power needed for working on relays from the arduino board. This inscrutable shows how to make your own led light driver and controller use arduino and l298n motor driver with multiple visual effects including breathing pattern to bring this christmas tree back to life again. Over the last few weeks we ve been building the perfect christmas tree for our office and in this article i m going to describe how we built it and what components were used. 1 200 individually addressable led bulbs 65 feet an arduino zero and 70 amps of power make for one hell of a tree.