Galileo, Raspberry Pi, Cubieboard2 , Cubietruck, Radxa Rock comparison

	Galileo	Raspberry Pi (Model B)	Cubietruck	Cubieboard 2	Radxa Rock Pro
Board Dimensions	10cm x 7cm	8.560cm x 5.6cm x 2.1cm	11cm x 8cm x 1.4cm	10cm x 6cm x 1.5cm	10 cm x 8 cm x 1.2cm
Processor	Intel® Quark X1000 single core	Broadcom BCM2835 single core	AllWinner A20 Dual-Core	AllWinner A20 Dual-Core	RK3188 SoC
Architecture	Intel ® Pentium® Class	ARM® ARM1176™	ARM Cortex-A7	ARM Cortex-A7	ARM Cortex-A9
Speed	400MHz	700MHziv	1GHz	1GHz	1.6GHz
Width, Instruction Set	32-bit	32-bit	32-bit	32-bit	32-bit
Wifi	No	No	Yes	No	Yes
Bluetooth	No	NO	Yes	No	Yes
Real Time Clock	Yes, needs a 3.3v coin cell	No	No	No	Yes
Cache	16 KB L1 cache	32KB L1 cache & 128KB L2 cache; shared with CPU & GPU	256KiB L2-Cache (shared between two cores),32KiB (Instruction) / 32KiB (Data) L1-Cache per core	256KiB L2-Cache (shared between two cores),32KiB (Instruction) / 32KiB (Data) L1-Cache per core	Integrated 32KB L1 instruction cache , 32KB L1 data cache with 4-way set associative, 512KB unified L2 Cache
RAM	512KB on-chip SRAM, dedicated for sketch storage & 256MB DRAM, dedicated for sketch storage	512MB SDRAM (shared with GPU)	2GB DDR3@480MHz	1GB DDR3@480MHz	2GB DDR3 @ 800Mhz
FLASH Memory	8MB NOR Flash (Legacy SPI), for FW bootloader & sketch storage	No permanent on-board Flash memory	8GB NAND flash	4GB NAND flash	8GB Nand Flash
EEPROM	11KB	No	No	No	No
GPU	No	Broadcom Dual-core VideoCore IV® Multimedia co-processor	Mali400 MP2	Mali400 MP2	Mali400-mp4
External Storage	Micro-SD Card (up to 32GB), & support for  an external USB2.0 drive	SD-card, & support for  an external USB2.0 drive	SATA 2.0 interface, Micro SD slot, USB 2.0	SATA 2.0 interface, micro SD slot, USB 2.0	Micro-SD SDXC up to 128GB
Video Support	No	HDMI – 1080p	HDMI & VGA	HDMI	HDMI 1.4 up to 1080 @ 60hz
Audio Support	No	HDMI & 3.5mm stereo audio-out jack	TOSLINK (Optical SPDIF) & headphone jack	TOSLINK (Optical SPDIF) & headphone jack	TOSLINK (Optical SPDIF) & headphone jack
Status Indication	LED – Board Power	LEDs for – board power, SD card access, LAN connected, LAN activity, 100Mbps connected	LEDs for – board power, SD card access, LAN connected, LAN activity, 100Mbps connected	LEDs for – board power, SD card access, LAN connected, LAN activity, 100Mbps connected	3 programable leds
JTAG	10-pin, Mini-JTAG header, to be used  with an in-circuit debugger	Yes, headers P2 & P3.	Yes. uSD breakout board	Yes. uSD breakout board	No
Compatibility	Arduino Uno R3 3.3V / 5V shields	Arduino board connects via USB. 3rd party boards enable support for Arduino shields with Pi.	No	No	No
Price	~$70.00	~$35.00	~$94.90	~64.90	~97.75

Cduino Wifi, Zigbee and Bluetooth

Schematics:

http://adf.ly/kebRt

Pinout comparison for HLK-RM04, zigbee and bluetooth 4.0 core board for Cduino

CEPARK Universal Microcontroller Development Kit

Universal CEPARK Microcontroller Development Kit for MSP430/ARM/51/AVR/PIC 

Comes in Aluminium case:

The development board:

Pickit 3 clone for PIC: 

LPC2103 microcontroller board

STM32 Microcontroller board

PIC microcontroller board 

AVR Atmega 16 microcontroller board 

AT 51 microcontroller board 

MSP430 microcontroller board 

Various sensors and motors 

USB ISP and AVR JTAG ICE for AVR 

Various cables including usb to serial 

J link for ARM 

MSP430 debug 

Various types and sizes of LCD 

Others:

Parallel port cables

4 X Micro usb cables

Crystals

Button batteries

7" LCD screen for embedded applications

7" LCD Screen with VGA, HDMI, RCA, remote

Accessories includes: a stand, ac to dc power adapter, remote control, stylus, stand double-sided tape

HDMI and VGA cables are also inlucded

Serial communication from Matlab to Arduino and vice versa

Matlab2Arduino

1. Download the arduino file: http://adf.ly/cqoDu and load into Arduino.
2. Download the matlab m file: http://adf.ly/cqoq5 and open using matlab.
3. Ensure that arduino is connected to the PC
4. Run the matlab program.

Arduino2Matlab

1. Download the arduino file: http://adf.ly/cqp2L and load into Arduino.
2. Download the matlab m file: http://adf.ly/cqpC1 and open using matlab.
3. Ensure that arduino is connected to the PC
4. Run the matlab program.

Setup SSH to virtualbox

1. Select your vbox image that you want to add additional harddisk. Left click -> Settings -> Networking -> Change Attached adapter to Bridged Adapter
2. Launch your virtualbox system
3. Install open ssh server
4. edit /etc/network/interfaces   -> edit to static ip                                                                                  auto eth1
   iface eth1 inet static
   address 192.168.6.108
   netmask 255.255.255.0
5. /etc/init.d/networking restart  -> restart your network
6. Use software such as putty or terminal ssh <username>@192.168.6.108
7. Input your login name and password

Addding Harddisk to VirtualBox

1. Select your vbox image that you want to add additional harddisk. Left click -> Settings -> Storage -> Add Hard Disk -> Create new disk -> VDI -> Dynamically allocated -> Select location and size
2. Launch your virtualbox system
3. ls /dev/sd* (the one without numbers is the new disk)
4. su -
5. fdisk /dev/sdb (depending on where your hdd is mounted)
6. Enter c then u.
7. Enter p
8. Select your partition number
9. Enter the sectors needed
10. Enter w to write the changes
11. ls /dev/sd* ( Your new harddisk will show up with number, i.e. sda1, sdb1, etc
12. mkdir /backup
13. mkfs.ext4 -L /backup /dev/sdb1
14. mount /dev/sdb1 /backup
15. mount ( look for your new drive)
16. Add LABEL=/backup /backup ext4 defaults 1 2 to your /etc/fstab
17. Reboot
18. cd / (You should notice backup folder is created. Your new hard disk is mounted to it.
19. You can start using the new drive.

Updating fedora EOL to latest

WARNING: Do it at your own risk!

1. Edit fedora.repo to include http://archives.fedoraproject.org/pub/archive/fedora/linux/releases/ repository.
2. Yum update.
3. Download and install the latest kernel, kernel-header,kernel-dev from rpmbone for your fedora version.
4. rpm --import the_key__version_you_intend_to_upgrade_to
5.  yum update
6. yum clean all
7. yum --releasever=version_you_intend_to_upgrade_to distro-sync

Fedora 16 -> Fedora 17

1. There are a few problems with the packages: dhclient, dhcp, etc that are not updated resulting no internet connection

Solution

1. Use live cd
2. mount chroot /mnt/sysimage /bin/bash
3. yum check all
4. manually remove and reinstall the packages that reports the error
5. yum update

Fedora 16 -> Fedora 20

 So far no problem. Data still intact except some software removed.

Logic Sniffer

Cubietruck Setup

Wifi:

1. Login to lubuntu: linaro/linaro

2. $sudo modprobe bcmdhd or add bcmdhd to /etc/modules (need to reboot)

3. Add nameserver 8.8.8.8 to /etc/resolv.conf ( without this, the system will be connected to the wifi but no internet access)

4. Reboot

Moving the rootfs to harddisk:

1. sudo su - root --> change to root user

2. mkdir /tmp/1 /tmp/target

3. mount /dev/nandb /tmp/1

4.fdisk -l -> to locate your drive, sda? sdb?

5.fdisk /dev/sda 

4. mkfs.ext4 /dev/sda1

5. mount /dev/sda1 /tmp/target

6. (cd /tmp/1; tar --backup -c *) |tar -C /tmp/target -xv

7. mount /dev/nanda /mnt/

8. vi /mnt/uEnv.txt  (Change root=/dev/sda1)

9. sync

10. unmount /mnt

11. reboot