PWM control is suited to applications where whole groups of LEDs are dimmed, flash or change colour.
It it is not suited to uses where individual LEDs need to be programmed to produce movements (such as moving waves of colour) but works very well where groups of LEDs are to be controlled (such as individual letters in a sign or rooms in a house).
If your application requires the control of groups of LEDs then see our
DMX controllers.
SPI control is suited to controlling individual LEDs as pixels to create any effect you wish. It has even been used to build LED screens!
You will need the following items to complete your SPI project: