docs: added new sensor images

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

src/lcd/eboled.h

@@ -66,6 +66,11 @@ namespace upm
    * standard GPIO -- this driver only concerns itself with the
    * display.
    *
+   * @image html eboled.jpg
+   * <br><em>OLED Sensor image provided by SparkFun* under
+   * <a href=https://creativecommons.org/licenses/by-nc-sa/3.0/>
+   * CC BY-NC-SA-3.0</a>.</em>
+   *
    * @snippet eboled.cxx Interesting
    */
 

src/lcd/lcd.h

@@ -32,7 +32,7 @@ namespace upm
 /**
  * @brief I2C LCD Display library
  * @defgroup i2clcd libupm-i2clcd
- * @ingroup seeed sparkfun adafruit i2c gpio display gsk
+ * @ingroup dfrobot sainsmart seeed sparkfun adafruit i2c gpio display gsk
  */
 class LCD
 {

src/lcd/sainsmartks.h

@@ -34,16 +34,20 @@ namespace upm
    * @sensor sainsmartks
    * @comname SainSmart LCD Keypad Shield
    * @type display
-   * @man sainsmart
+   * @man sainsmart dfrobot sparkfun
    * @web http://www.sainsmart.com/sainsmart-1602-lcd-keypad-shield-for-arduino-duemilanove-uno-mega2560-mega1280.html
+   * @web http://www.dfrobot.com/index.php?route=product/product&product_id=51
+   * @web https://www.sparkfun.com/products/13293
    * @con gpio analog
    *
    * @brief API for Sainsmart LCD Keypad Shield
    *
-   * The Sainsmart LCD Keypad Shield uses 6 digital outputs and 1
-   * analog input (for the keypad).  The outputs are used to drive an
-   * attached LCM1602 LCD controller.
+   * The Sainsmart LCD Keypad Shield uses 6 digital outputs and 1 analog input
+   * (for the keypad). The outputs are used to drive an attached LCM1602 LCD
+   * controller. This driver should also be compatible with the similar LCD
+   * keypad shields from DFRobot and Sparkfun.
    *
+   * @image keypadlcd.jpg
    * @snippet sainsmartks.cxx Interesting
    */
   class SAINSMARTKS : public Lcm1602