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Wolf Paulus

Month: August 2012

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Accessing Raspberry Pi via Serial

Posted on August 28, 2012December 31, 2016by Wolf Paulus

Using a serial connection to connect to a Raspbery Pi has many advantages. The boot process (Kernel boot messages go to the UART at 115,200 bit/s) can be monitored, without the need to hookup an HDMI-Monitor. Once booted, you can of course login through a serial terminal as well, i.e. the serial connection allows logging-in […]

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Tiny WiFi Adapter for Raspberry Pi

Posted on August 20, 2012December 31, 2016by Wolf Paulus

[Updated on Feb. 2. 2013 for (2012-12-16-wheezy-raspbian) Kernel Version 3.2.27+] The extremely small EW-7811Un USB wireless adapter looks like the perfect WiFi adapter for the Raspberry Pi. Not only is it tiny and relatively inexpensive, it also seems capable enough to be a great companion device for the Raspi. While elinux still shows that some users […]

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Raspberry Pi – Where to start?

Posted on August 12, 2012January 1, 2017by Wolf Paulus

At its core, the Raspberry Pi uses the Broadcom BCM2835 System-on-a-chip. This single chip contains an ARM1176 CPU (normally clocked at 700MHz) a VideoCore 4 GPU, i.e. a low-power mobile multimedia processor (also used in the Roku-2) 256 MByte SDRAM in addition to the ARM’s MMU, a second coarse-grained Memory Management Unit for mapping ARM physical addresses […]

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