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 The chosen panel layout is 6x7, which means 6*320mm = 1920mm horizontally and 7*160mm = 1120mm. This fits very well into the size constraints. The resulting resolution is 192x112, which is very close to the target of 160x144. The aspect ratio is close to 16:9, which would be 192x108.
-The price for the panels alone would be below €500 [http://www.aliexpress.com/item/p10-smd-indoor-rgb-led-panel-hub-75-1-8-scan-320-160mm-32-16-pixel/1000001339655.html here] (asking for a bulk discount would be required). Also note that we should order spare panels in case some of them break, so a total of 45 panels is recommended (maybe 50 panels would be cheaper than that, though?).
+The price for the panels alone would be below €350 [http://www.aliexpress.com/item/Leeman-P10-smd-led-module-P10-vivid-vedio-led-display-led-P10-panel-SMD-rgb-P10/32289622963.html here] (asking for a bulk discount would be required). Also note that we should order spare panels in case some of them break, so a total of 45 panels is recommended (maybe 50 panels would be cheaper than that, though?).
-The product description does not give any information on power consumption, but based on similar products on AliExpress, it should be around 540W average with 1400W maximum (all pixels bright white). Note that this can be reduced by using a black background for animations (which is done right now as well).
+The product description says that the panels draw 18W maximum, so it should be about 756W maximum (all pixels bright white). Note that this can be reduced by using a black background for animations (which is done right now as well). The panels need 5V.
 === Mounting ===