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Tag: GPIO

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 […]