RaspberryPi/prepare - Revision history

Bjoern at 13:34, 10 January 2015

2015-01-10T13:34:10Z

← Older revision		Revision as of 13:34, 10 January 2015
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	* On Mac OS X, install zterm, and ChickenOfTheVNC. (Note that you can use e.g. Screen within the OS X Terminal app also, but I've found zterm better.		* On Mac OS X, install zterm, and ChickenOfTheVNC. (Note that you can use e.g. Screen within the OS X Terminal app also, but I've found zterm better.
	* If you have a linux laptop, install (to follow)		* If you have a linux laptop, install (to follow)

			= bushcraft =

			We have developed some tools to give support when using Raspberry Pi / linux in more challenging environments, see https://github.com/bjohas/bushcraft.

Bjoern: /* Serial connection */

2015-01-10T13:33:13Z

Serial connection

← Older revision		Revision as of 13:33, 10 January 2015
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	** Note that via the serial/UART cable, you may only be getting just enough power to the Raspberry Pi. This is because the USB standard only mandates 500mA. Many devices can supply more than 500mA via their USB port, but this may or may not be the case. Overall 500mA is not enough, particularly if you connect further peripherals to the Raspberry Pi (e.g. USB devices in the Raspberry Pi USB ports, that draw power from the Raspberry Pi).		** Note that via the serial/UART cable, you may only be getting just enough power to the Raspberry Pi. This is because the USB standard only mandates 500mA. Many devices can supply more than 500mA via their USB port, but this may or may not be the case. Overall 500mA is not enough, particularly if you connect further peripherals to the Raspberry Pi (e.g. USB devices in the Raspberry Pi USB ports, that draw power from the Raspberry Pi).
	** Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).		** Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).
	By "micro-usb power" we mean power supplied to the Raspberry Pi's micro USB socket, e.g. from a micro-usb power supply (mains powered) or a micro-usb cable. These difference scenarios are showns here: [[RaspberryPi/~~prepare~~]].		By "micro-usb power" we mean power supplied to the Raspberry Pi's micro USB socket, e.g. from a micro-usb power supply (mains powered) or a micro-usb cable. These difference scenarios are showns here: [[RaspberryPi/UART]].

	== Ethernet (ssh / VNC) ==		== Ethernet (ssh / VNC) ==

Bjoern: /* Serial connection */

2015-01-10T13:33:03Z

Serial connection

← Older revision		Revision as of 13:33, 10 January 2015
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	** Note that via the serial/UART cable, you may only be getting just enough power to the Raspberry Pi. This is because the USB standard only mandates 500mA. Many devices can supply more than 500mA via their USB port, but this may or may not be the case. Overall 500mA is not enough, particularly if you connect further peripherals to the Raspberry Pi (e.g. USB devices in the Raspberry Pi USB ports, that draw power from the Raspberry Pi).		** Note that via the serial/UART cable, you may only be getting just enough power to the Raspberry Pi. This is because the USB standard only mandates 500mA. Many devices can supply more than 500mA via their USB port, but this may or may not be the case. Overall 500mA is not enough, particularly if you connect further peripherals to the Raspberry Pi (e.g. USB devices in the Raspberry Pi USB ports, that draw power from the Raspberry Pi).
	** Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).		** Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).
	By "micro-usb power" we mean power supplied to the Raspberry Pi's micro USB socket, e.g. from a micro-usb power supply (mains powered) or a micro-usb cable.		By "micro-usb power" we mean power supplied to the Raspberry Pi's micro USB socket, e.g. from a micro-usb power supply (mains powered) or a micro-usb cable. These difference scenarios are showns here: [[RaspberryPi/prepare]].

	== Ethernet (ssh / VNC) ==		== Ethernet (ssh / VNC) ==

Bjoern: /* Raspberry Pi without a monitor ("headless") */

2015-01-03T15:05:57Z

Raspberry Pi without a monitor ("headless")

← Older revision		Revision as of 15:05, 3 January 2015
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	= Raspberry Pi without a monitor ("headless") =		= Raspberry Pi without a monitor ("headless") =

	If you're coming to a workshop ~~(such as the UNESCO MLW 2015)~~, please bring your laptop! Here's why.		If you're coming to a workshop, please bring your laptop! Here's why.

	The Raspberry Pi is a little, but fully-fledged computer, that can be used with a keyboard/mouse and a screen (computer monitor, or TV, DVI, VGA, HDMI, or composite). However, for many workshops, it's not possible to bring sufficient screens and keyboards/mice - you'll appreciate that the size and weight of monitors/keyboard are many times that of the Raspberry Pi!		The Raspberry Pi is a little, but fully-fledged computer, that can be used with a keyboard/mouse and a screen (computer monitor, or TV, DVI, VGA, HDMI, or composite). However, for many workshops, it's not possible to bring sufficient screens and keyboards/mice - you'll appreciate that the size and weight of monitors/keyboard are many times that of the Raspberry Pi!

Bjoern at 18:17, 2 December 2014

2014-12-02T18:17:20Z

← Older revision		Revision as of 18:17, 2 December 2014
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	* Another good resource is the "learn" section of the Adafruit shop https://learn.adafruit.com/category/raspberry-pi.		* Another good resource is the "learn" section of the Adafruit shop https://learn.adafruit.com/category/raspberry-pi.
	* Also: http://www.elinux.org/RPi_Hub and http://www.raspberrypi.org/help/faqs/.		* Also: http://www.elinux.org/RPi_Hub and http://www.raspberrypi.org/help/faqs/.
	* If you're a beginner with Linux/Unix, you should also look at something like this: http://www.ee.surrey.ac.uk/Teaching/Unix/		* If you're a beginner with Linux/Unix, you should also look at something like this: http://www.ee.surrey.ac.uk/Teaching/Unix

	= Raspberry Pi without a monitor ("headless") =		= Raspberry Pi without a monitor ("headless") =

Bjoern: Bjoern moved page Raspberry Pi/prepare to RaspberryPi/prepare

2014-12-02T08:34:39Z

Bjoern moved page Raspberry Pi/prepare to RaspberryPi/prepare

← Older revision

Revision as of 08:34, 2 December 2014

Bjoern at 00:49, 2 December 2014

2014-12-02T00:49:32Z

← Older revision		Revision as of 00:49, 2 December 2014
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	Note that the serial connector cable also allows you to power the Raspberry Pi from your USB port.		Note that the serial connector cable also allows you to power the Raspberry Pi from your USB port.
	* However, you should only over use one source of power: Don't connect both serial power and the micro-usb power		* However, you should only over use one source of power: Don't connect both serial power and the micro-usb power
	* See [[Raspberry Pi/UART\|here]] for how the serial cable needs to be connected when you power the Raspberry Pi from micro-usb power		* See [[Raspberry Pi/UART\|here]] for how the serial cable needs to be connected when you power the Raspberry Pi from micro-usb power (and not from the serial/UART)
	* When you are not using micro-usb power (from a mains socket), also connect the [[Raspberry Pi/UART\|red wire shown here]], and this will power the Raspberry Pi.		* When you are '''not''' using micro-usb power (e.g. from a mains socket), then also connect the [[Raspberry Pi/UART\|red wire shown here]], and this will power the Raspberry Pi via the serial/UART.
			** Note that via the serial/UART cable, you may only be getting just enough power to the Raspberry Pi. This is because the USB standard only mandates 500mA. Many devices can supply more than 500mA via their USB port, but this may or may not be the case. Overall 500mA is not enough, particularly if you connect further peripherals to the Raspberry Pi (e.g. USB devices in the Raspberry Pi USB ports, that draw power from the Raspberry Pi).
	** Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).		** Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).
	** Note that via the serial/UART cable, you may only be getting just enough power to the Raspberry Pi, because the USB standard only mandates 500mA, which is not enough if you connect further peripherals to the Raspberry Pi (e.g. USB devices in the Raspberry Pi USB ports, that draw power from the Raspberry Pi).
	By "micro-usb power" we mean power supplied to the Raspberry Pi's micro USB socket, e.g. from a micro-usb power supply (mains powered) or a micro-usb cable.		By "micro-usb power" we mean power supplied to the Raspberry Pi's micro USB socket, e.g. from a micro-usb power supply (mains powered) or a micro-usb cable.

Bjoern at 00:46, 2 December 2014

2014-12-02T00:46:41Z

← Older revision		Revision as of 00:46, 2 December 2014
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	Note that the serial connector cable also allows you to power the Raspberry Pi from your USB port.		Note that the serial connector cable also allows you to power the Raspberry Pi from your USB port.
	* However, you should only over use one source of power: Don't connect both serial power and the micro-usb power ~~(from a mains socket)~~		* However, you should only over use one source of power: Don't connect both serial power and the micro-usb power
	* See [[Raspberry Pi/UART\|here]] for how the serial cable needs to be connected when you power the Raspberry Pi from micro-usb power ~~(from a mains socket)~~		* See [[Raspberry Pi/UART\|here]] for how the serial cable needs to be connected when you power the Raspberry Pi from micro-usb power
	* When you are not using micro-usb power (from a mains socket), also connect the [[Raspberry Pi/UART\|red wire shown here]], and this will power the Raspberry Pi. Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).t		* When you are not using micro-usb power (from a mains socket), also connect the [[Raspberry Pi/UART\|red wire shown here]], and this will power the Raspberry Pi.
			** Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).
			** Note that via the serial/UART cable, you may only be getting just enough power to the Raspberry Pi, because the USB standard only mandates 500mA, which is not enough if you connect further peripherals to the Raspberry Pi (e.g. USB devices in the Raspberry Pi USB ports, that draw power from the Raspberry Pi).
			By "micro-usb power" we mean power supplied to the Raspberry Pi's micro USB socket, e.g. from a micro-usb power supply (mains powered) or a micro-usb cable.

	== Ethernet (ssh / VNC) ==		== Ethernet (ssh / VNC) ==

Bjoern at 00:38, 2 December 2014

2014-12-02T00:38:25Z

← Older revision		Revision as of 00:38, 2 December 2014
Line 32:		Line 32:

	The serial connection is easy to set up, but allows text-based access only, and requires a special cable (which is cheap, but takes time to order). It just requires the installation of a driver, and downloading putty (on the laptop). You use You can then easily connect to the Raspberry Pi. However, this is text-based only. This is sufficient e.g. to explore sensors and some programming, but it doesn't allow you to use any graphical applications, or to see the "Desktop".		The serial connection is easy to set up, but allows text-based access only, and requires a special cable (which is cheap, but takes time to order). It just requires the installation of a driver, and downloading putty (on the laptop). You use You can then easily connect to the Raspberry Pi. However, this is text-based only. This is sufficient e.g. to explore sensors and some programming, but it doesn't allow you to use any graphical applications, or to see the "Desktop".

			Note that the serial connector cable also allows you to power the Raspberry Pi from your USB port.
			* However, you should only over use one source of power: Don't connect both serial power and the micro-usb power (from a mains socket)
			* See [[Raspberry Pi/UART\|here]] for how the serial cable needs to be connected when you power the Raspberry Pi from micro-usb power (from a mains socket)
			* When you are not using micro-usb power (from a mains socket), also connect the [[Raspberry Pi/UART\|red wire shown here]], and this will power the Raspberry Pi. Even if you use the serial/UART connection to power the Raspberry Pi, you can still connect the ethernet cable (see next section).t

	== Ethernet (ssh / VNC) ==		== Ethernet (ssh / VNC) ==
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	If you can, please explore “Internet Connection Sharing” on your laptop before the workshop, and enable it. You can then just connect to the Raspberry Pi using an ethernet cable (which we will provide).		If you can, please explore “Internet Connection Sharing” on your laptop before the workshop, and enable it. You can then just connect to the Raspberry Pi using an ethernet cable (which we will provide).

	Also, install putty, as well as a VNC client.		Also, install a serial terminal app and a VNC client.
			* On Windows, install putty, as well as the (to follow) VNC client.
			* On Mac OS X, install zterm, and ChickenOfTheVNC. (Note that you can use e.g. Screen within the OS X Terminal app also, but I've found zterm better.
			* If you have a linux laptop, install (to follow)

Bjoern at 23:47, 1 December 2014

2014-12-01T23:47:15Z

← Older revision		Revision as of 23:47, 1 December 2014
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	= A few things to do in advance =		= A few things to do in advance =

			The Raspberry Pi is a small computer. You can learn a bunch of stuff that's useful for Raspberry Pi on your existing computer!
	* Have a look at GeoGebra, Scratch, and OpenOffice.		* Have a look at GeoGebra, Scratch, and OpenOffice.
	* Read the text below on Raspberry Pi without a monitor, and see what you can do to prepare		* Read the text below on Raspberry Pi without a monitor, and see what you can do to prepare

			To find out specifically about Raspberry PI:
			* A good place to start is the Raspberry Pi resources page http://www.raspberrypi.org/resources/.
			* Another good resource is the "learn" section of the Adafruit shop https://learn.adafruit.com/category/raspberry-pi.
			* Also: http://www.elinux.org/RPi_Hub and http://www.raspberrypi.org/help/faqs/.
			* If you're a beginner with Linux/Unix, you should also look at something like this: http://www.ee.surrey.ac.uk/Teaching/Unix/

	= Raspberry Pi without a monitor ("headless") =		= Raspberry Pi without a monitor ("headless") =