[carpe] 2016-04-22 carpe scribbles ubuntu mate 16.04 display on 2 xrandr iogear iot wifi arduinoable room temperature

[jep200404 at columbus.rr.com]

Ubuntu 16.04 released, but Ubuntu Mate 16.04 for RPi not available yet.
https://ubuntu-mate.org/raspberry-pi/

RPi display on Rpi2
The following was typed manually, so is prone to errors.

    pi at raspberrypi2:~ $ xrandr
    xrandr: Failed to get size of gamma for output default
    Screen 0: minimum 800 x 480, current 800 x 480, maximum 800 x 480
    default connected 800x480+0+0 0mm x 0mm
       800x480        0.00*
    pi at raspberrypi2:~ $ xrandr --verbose
    xrandr: Failed to get size of gamma for output default
    Screen 0: minimum 800 x 480, current 800 x 480, maximum 800 x 480
    default connected 800x480+0+0 (0x1f2) normal (normal) 0mm x 0mm
            Identifier: 0x1f1
            Timestamp:  9361
            Subpixel:   unknown
            Clones:
            CRTC:       0
            CRTCs:      0
            Transform:  1.000000 0.000000 0.000000
                        0.000000 1.000000 0.000000
                        0.000000 0.000000 1.000000
                       fileter:
      800x480 (0x1f2)  0.000MHz *current
            h: width   800 start    0 end    0 total  800 skew    0 clock   0.00KHz
            v: height  480 start    0 end    0 total  480           clock   0.00Hz

works with RPi2
Iogear 2.4 GHz wireless keyboard w/ trackball & scroll wheel
    useable
    USB dongle parks into bottom
    max 33 feet range
    work with RPi2
    MSRP: $39.95

offers Arduino shield expansion
$20 WiFi-enabled IoT module runs FreeRTOS on Cortex-M4
http://hackerboards.com/wifi-enabled-iot-module-runs-freertos-on-cortex-m4/

Raspberry Pi project to regulate room temperature and sleep better
https://opensource.com/life/16/3/how-i-use-raspberry-pis-help-my-kids-sleep-better