Agram Group Build #Project2 – part 5.
From 2021, the Association also organizes group projects for its members in which several members participate at once. The program called Agram Group Build was created after our members discussed joint projects on Wednesdays and how it would be convenient to gather more people on Wednesdays at our Hobby corner to work on a common "something"... #Project2 presents a dieselpunk diorama of a flying island with a fast food stand and several docks for flying cars, and the wonderful art of Alejandro Burdisi serves as a template. The main effects on the diorama will be LED lighting, but also the application of the tensegrity principle.
It's been a while since the last article. In the meantime, we've done the calculations for the electricity, but also confirmed the practical calculations. We decided on 6 circuits - each of which is powered by its own Cr2032 battery at 3V. In addition, we decided to create a parallel power supply for all circuits via a single transformer from 220 V AC to 3 V DC. The switch will determine which power supply is used. In theory, it sounds feasible, but it needs to be tested.
According to the sketch, the most loaded circuit is the one from the flying car, which has as many as 9 LEDs in it. Therefore, we put together a circuit with all nine LEDs on the test board - four blue, two white, two red and one green and connected everything to one Cr 2032 battery.
Everything worked so we decided to let them burn overnight. All the LEDs burned for about 10 hours. Which is satisfactory for group performances – because they will certainly burn for the duration of the performance. And for the exhibition, it will still be necessary to connect the diorama to a 220 V transformer.
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