How to lighten LED dot matrix in full screen
The module in the correct direction in order to connect the power and the 16 pin cable, power cable ends must distinguish between positive and negative, the same direction, and a power supply with 8 or below the most recommended module, and then use a control card, the control card has a test screen point function
Just change the direction of the control card data
Fast scanning light, using the retention effect of the human eye!