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Raspberry

LED Blinking HELMET

LED Blinking HELMET

Hardware list WS2812B RGB 5v LED Strip, 144 pixel/m (enclosed into a silicone waterproof case) Raspberry Pi Zero 1.3 Battery 2500 mAh Software environment Neopixel for Raspberry Pi, Github : https://github.com/jgarff/rpi_ws281x Python wrapper for Neopixel

Yocto dans le Cloud

Yocto dans le Cloud

J’ai testé 3 des plus grands fournisseurs de solution Cloud IaaS en Pay-As-You-Go avec un compte d’essai gratuit. Build Yocto Dans cet exercice comparatif, Yocto est utilisé pour construire une distribution Linux (Yocto Thud 2.6.1) compatible avec un Raspberry Pi. Au cours du processus de […]

Linux Yocto for Raspberry Pi

Linux Yocto for Raspberry Pi

Deploy Yocto 2.6 codename “Thud” on Raspberry Pi Zero Wireless YoctoProject Release LTSIKernel Version LTSKernel Version ReleasedKernel Version Yocto Project 2.6 linux-yocto_4.9 linux-yocto_4.14 linux-yocto_4.18 GIT clone Yocto Layers Setup the environnement Then, the build directory should be automatically created and this screen should show up. […]

Dark-side of the Raspberry Pi

Dark-side of the Raspberry Pi

BCM2835 Peripherals BCM2835 contains the following peripherals which may safely be accessed by the ARM: One part of theses peripherals are routed from the BCM2835 chip pads to the 2×20 GPIO header in order to be freely accessible (as shown above). One other part of […]

Hardware PWM with Raspberry Pi Zero

Hardware PWM with Raspberry Pi Zero

Purpose The main idea was to generate a configurable Pulse Width Modulated (PWM) signal out of a Raspberry PI Zero v1.3. The software solution The first solution was to handle a regular GPIO pin by software in order to alternate one and zeros via a […]