RPi Easy SD Card Setup - eLinux.org

Recommendations

Info

Here is a schematic of a complete PSU including all components: (a suggestion, with better filtering and protection) Starting from left, we have a transformer (protected by a fuse - F1) supplying about 7-12V AC at 2A (use what you have at home or what is cheaper to buy). Next is a rectifier (or 4 diodes / >1A) with caps (C7-C10, for filtering). Now we should have approx. x 1.41 - so if we have a 9V transformer, it will be about 12.69V. The 7805 needs at least 2V [5] (depending on type/manufacturer) more on the input than on the output (I prefer using a little more, >=3V to be sure) for stable regulation, and it can be up to 35V (but a big difference between input and output voltage means "a lot work" for the regulator and a lot heating). In this case, 8-9V DC measured after the rectifier would be optimal. Main filtering is ensured by C4 (use at least 1000uF for each 1A drawn), another filtering after the regulator is C3 (100-470uF). C1-C6 serve the 7805 for stable function and HF filtering. R1 and R2 adjust the voltage to 5.25V, as described before. D1 and D2 are for protection. A transil is used for over-voltage (peaks) protection on the output, a 5V8 type should be fine (5.8V reverse standoff voltage and approx. 6.2V breakdown voltage) - use P6KE6.8A or BZW06-5V8. For operation signaling (device on) a LED coupled with R3 is used. You may use another fuse on the output - F2. This is a rather fancy circuit, you may simplify it if you like - by leaving out C7-C10, C5, C6, D1, D2, LED and R3, F2 (and the transil, if you don't want any protection). Or leave just some of them. Your choice ;) Also if you prefer to fine-tune the output voltage, you may replace R2 with a small pot (trimmer) as shown here:
With this values (R1=1k, R2=100) adjustment from 5V to approx. 5.75V is possible. Resources on 7805 For more info about the 7805 regulator, google the datasheet (http://www.google.com/ search?q=7805+datasheet) and see the following resources. Resource links: The Adjustable Voltage Regulator (http://www.rason.<strong>org</strong>/Projects/regulator/ regulator.htm) , Variable power supply using 7805 (http://www.circuitstoday.com/variable-power-supplyusing-7805) , or google more (http://www.google.com/search?q=7805+regulator) The testing prototype This is my testing prototype of this PSU, based on the first schematic. It's made of "what was found in the drawer". I've used an old 7805 regulator in TO3 package [6] , C3 was taken from some broken mainboard, C4 is left out (it's not necessary, because the circuit is powered by a stable power supply from some old printer). The PSU provides stable 5.25V and i have 4.82V on TP1-TP2. My RaspberryPi works OK now :)
Page 1 and 2:
RPi Easy SD Card Setup From eLinux.
Page 3 and 4:
Easy way To write your SD card you
Page 5 and 6:
where flashnul.exe -L 1. ▪ Flas
Page 7 and 8:
However if you are curious as to th
Page 9 and 10:
(or other odd characters, for that
Page 11 and 12:
vi /etc/fstab ▪ Enter a line exac
Page 13 and 14:
Where to start? Any easy question t
Page 15 and 16:
If you're unsure of which locale to
Page 17 and 18:
Debian Wheezy, using raspi-config D
Page 19 and 20:
Media Player With this configuratio
Page 21 and 22:
▪ Entering "sudo apt-get install
Page 23 and 24:
Tutorials - Guides - Projects - Tas
Page 25 and 26:
the problem has been mitigated some
Page 27 and 28:
out cheaper to buy a new monitor.)
Page 29 and 30:
Note: If a Netgear router has a bla
Page 31 and 32:
Connecting Together You can use the
Page 33 and 34:
RPi Peripherals From eLinux.org Set
Page 35 and 36:
▪ Start the adapter sudo ifup wla
Page 37 and 38:
sudo ifup wlan0 Then there may be a
Page 39 and 40:
For more info about DVI, VGA, and S
Page 41 and 42:
RGB analog/VGA The Broadcom BCM2835
Page 43 and 44:
▪ Analog Devices HDMI Receivers (
Page 45 and 46:
Model Wizard - Buying Guide - SD Ca
Page 47 and 48:
Back to the Hub. Software & Distrib
Page 49 and 50:
Comparison
Page 51 and 52:
OpenELEC (http://openelec.tv/ compo
Page 53 and 54:
Arch Arch Linux ARM (http://archlin
Page 55 and 56:
•Added rndis_wlan wifi driver (br
Page 57 and 58:
ha-pi ▪ Main Site (https://source
Page 59 and 60:
support for changing the user and h
Page 61 and 62:
Mes (Marshmallow Entertainment Syst
Page 63 and 64:
RPi VerifiedPeripherals From eLinux
Page 65 and 66:
A note about this page: For USB dev
Page 67 and 68:
Powered USB Hubs A number of low-co
Page 69 and 70:
ArchLinux, didn't work with Bodhi L
Page 71 and 72:
▪ [14] (http://plugable.com/produ
Page 73 and 74:
▪ Dell ▪ F5U404 Hi-Speed USB 2.
Page 75 and 76:
▪ Targus ▪ ACH115EU 7-port powe
Page 77 and 78:
▪ SK-9625 Multimedia Keyboard (B)
Page 79 and 80:
▪ EBO-013 Wireless 2.4GHz compact
Page 81 and 82:
▪ 21840 (Wireless RF 2.4GHz Micro
Page 83 and 84:
▪ Motorola ▪ ▪ Bluetooth wire
Page 85 and 86:
▪ Sweex ▪ KB060UK (http://www.s
Page 87 and 88:
▪ Wired Multimedia Keyboard Model
Page 89 and 90:
▪ Asda ▪ HM5058 (Smart Price) W
Page 91 and 92:
▪ Microsoft ▪ Comfort Curve Mou
Page 93 and 94:
▪ Logitech G400 Gaming Mouse - 10
Page 95 and 96:
download (http://www.element14.com/
Page 97 and 98:
non-free repository. (However I exp
Page 99 and 100:
▪ ▪ edup nano EP-N8508 (http://
Page 101 and 102:
▪ inner 02 joggler wifi usb RT277
Page 103 and 104:
variant (http://learn.adafruit.com/
Page 105 and 106:
▪ RiiTek RT-MWK02+ - comes with a
Page 107 and 108:
The adapter seems to work without a
Page 109 and 110:
▪ DVB-T205, based on rtl2832u chi
Page 111 and 112:
▪ QuickCam Pro 9000 - powered by
Page 113 and 114:
USB UART and USB to Serial (RS-232)
Page 115 and 116:
▪ Contents of floppy now availabl
Page 117 and 118:
▪ 5V 2.1A USB charger for iPad2,
Page 119 and 120:
▪ 5V 1A dual USB power supply, mo
Page 121 and 122:
Problem power Adapters ▪ Masterpl
Page 123 and 124:
HDMI->VGA converter boxes Most will
Page 125 and 126:
And another one: http://cgi.ebay.pl
Page 127 and 128:
cd /sys/class/mmc_host/mmc?/mmc?:*
Page 129 and 130:
▪ 32GB SDHC Class 10 (man:0x00000
Page 131 and 132:
▪ 4GB SDHC Class 6 Platinum II (f
Page 133 and 134:
▪ pqi ▪ 4GB SDHC Class 4. Micro
Page 135 and 136:
234c19de7cbaaf4997671d61df20a057590
Page 137 and 138:
▪ 16GB SDHC Class 10 SD-T16G (104
Page 139 and 140:
▪ 16GB SDHC Class 6 (Possibly SD5
Page 141 and 142:
▪ 2GB Ultra || 15MB/s (BE08287132
Page 143 and 144:
Note that the following error is so
Page 145 and 146:
R-Pi Troubleshooting From eLinux.or
Page 147 and 148:
Red power LED is blinking The red p
Page 149 and 150:
Coloured splash screen With recent
Page 151 and 152:
Some users have reported that their
Page 153 and 154:
Copyright (c) 2012 Broadcom version
Page 155 and 156:
Networking Ethernet connection is l
Page 157 and 158:
As of 1 September 2012, this fault
Page 159 and 160:
Speaker-test -c 2 -s 1 -t wav -W /u
Page 161 and 162:
Can only get 800x480 resolution in
Page 163 and 164:
Edit the configuration file, see th
Page 165 and 166:
Composite displays no image The out
Page 167 and 168:
sudo apt-get update Troubleshooting
Page 169 and 170:
3. Turn your board over and find th
Page 171 and 172:
Board ver. RAM Chip USB Chip BS12xx
Page 173 and 174:
▪ This page was last modified on
Page 175 and 176:
Here is an example file # Set stdv
Page 177 and 178:
hdmi_ignore_cec Pretends CEC is not
Page 179 and 180:
hdmi_mode=18 1024x768 75Hz hdmi_mod
Page 181 and 182:
Which values are valid for my monit
Page 183 and 184: Overclocking WARNING: Setting any o
Page 185 and 186: enables dynamic clocks and voltage
Page 187 and 188: Retrieved from "http://elinux.org/i
Page 189 and 190: Hardware and Hardware History. Low-
Page 191 and 192: Each GPIO can interrupt, high/low/r
Page 193 and 194: Colour legend +5 V +3.3 V Ground, 0
Page 195 and 196: GPIO02, 03, 05 and 27 are available
Page 197 and 198: GPIO as input or output and change
Page 199 and 200: Make sure pointer is on 4K boundary
Page 201 and 202: GPIO Driving Example (Java) This us
Page 203 and 204: gpio export 17 out gpio export 18 i
Page 205 and 206: # call set_debug(1) to do a non-des
Page 207 and 208: References 1. ↑ http://www.raspbe
Page 209 and 210: RaspberryPi Boards From eLinux.org
Page 211 and 212: Model B:
Page 213 and 214: BS1218 Samsung ? BH1208 BH1219 BH12
Page 215 and 216: BH1218 Hynix SMSC BH1218 Hynix SMSC
Page 217 and 218: BS1224 BS1218 BS1222 BS1232 BS1228
Page 219 and 220: RPi Hardware From eLinux.org Back t
Page 221 and 222: Components (Provisional - some of t
Page 223 and 224: ▪ S8: SD/MMC/SDIO memory card slo
Page 225 and 226: ▪ Board B: 5V, 700 mA (3.5W) with
Page 227 and 228: ▪ If the PSU is unregulated it ca
Page 229 and 230: work initially but be unreliable be
Page 231 and 232: 4. ↑ RPiBlog Post: High-res pics
Page 233: Cheap PSU Cheap PSU - inside So ins
Page 237 and 238: Mobile battery power supply options
Page 239 and 240: RPi Documentation From eLinux.org B
Page 241 and 242: Beta Boards: Gert's Beta Boards Mec
Page 243: Retrieved from "http://elinux.org/i
show all

RPi Easy SD Card Setup - eLinux.org

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?