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