On 30/11/2022 01:14, Sebastian Reichel wrote: >>> + default-intensity: >>> + description: | >>> + An array of 3 integer specifying the default intensity of each color >>> + components in this LED. <255 255 255> if unspecified. >>> + $ref: /schemas/types.yaml#/definitions/uint32-array >>> + minItems: 3 >> >> Drop minItems.... but: >> >>> + maxItems: 3 >>> + items: >>> + minimum: 0 >>> + maximum: 255 >> >> default: 255 > > I would argue, that the default should be 0 (off) instead of 255 > (full power). Yes. > >> What controls the intensity? Don't you have PWM there? > > WS2812 is a RGB led, which contains a small Microcontroller. The µC > takes 24 byte intensity data from a serial input and then passes on > any following bits to the next LED. SPI clk and chip-select are > ignored (chip-select support can be trivially added though). > > You can find them everywhere nowadays, since they are quite cheap > (a few cents per LED) and need only one MOSI pin to control hundreds > of LEDs. OK. This should be anyway existing property, so default-brightness. Best regards, Krzysztof
