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ElEcTrOnICs | harald-aldb.eu Reviews

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Driving a WS2812 circle PART I. Mots clés STM32F4 Discovery. The use of DMA is very efficient to driving a series of WS2812 LED. We will use a STM32F4 -Discovery with a timer in DMA mode. Once the buffer is defined, it is simply to « connect » the timer with it. And no processor time is consumed during the transfer. Neverthless it eats a lot of RAM: the WS2812 need 24-bit of signal. It means 24 different PWM then 24 bytes/LED. Mots clés Non classé. Mots clés Non classé. Bonjour tout le monde!

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ElEcTrOnICs | harald-aldb.eu Reviews

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Driving a WS2812 circle PART I. Mots clés STM32F4 Discovery. The use of DMA is very efficient to driving a series of WS2812 LED. We will use a STM32F4 -Discovery with a timer in DMA mode. Once the buffer is defined, it is simply to « connect » the timer with it. And no processor time is consumed during the transfer. Neverthless it eats a lot of RAM: the WS2812 need 24-bit of signal. It means 24 different PWM then 24 bytes/LED. Mots clés Non classé. Mots clés Non classé. Bonjour tout le monde!