Added links to most components.

peripherals/ethernet.tex

-The STM32F767IZ Nucleo board features a built in PHY, a LAN8742A supporting Full Duplex 100Mbit/s.
+The \href{http://www.st.com/en/evaluation-tools/nucleo-f767zi.html}{STM32F767IZ Nucleo board} features a
+built in PHY, a \href{http://www.digikey.com/product-detail/en/microchip-technology/LAN8742A-CZ/LAN8742A-CZ-ND/4079784}{LAN8742A}
+supporting Full Duplex 100Mbit/s.
 
-The Hokuyo UST-10LX Laser range finder will send its output over ethernet,
-thus the STM32 nucleo board will act receiver.
+The \href{http://www.robotshop.com/en/hokuyo-ust-10lx-scanning-laser-rangefinder.html}{Hokuyo UST-10LX Laser range finder}
+will send its output over ethernet, thus the STM32 nucleo board will act receiver.
 Having ethernet hardware does not solve the problem altogether since the
 protocols and setup required for functional ethernet communication is non-trivial.
 

peripherals/spi.tex

@@ -23,4 +23,5 @@ will need four GPIO pins set in alternate function mode for SPI. \newline
     $\SI{300}{\meter}$.
 
     Transmissions are made by writing data to a buffer, configuring the transmit parameters and finally
-    writing to a register telling the DW1000 to start transmitting.
+    writing to a register telling the \href{http://www.decawave.com/products/dwm1000-module}{DW1000}
+    to start transmitting.

peripherals/timer.tex

@@ -9,9 +9,10 @@ pulse length of input signals (input capture) or generating output waveforms (ou
 PWM, complementary PWM with dead-time insertion).
 
     \subsubsection{Sonar HC-SR04}
-    On the quadcopter, six ultrasonic sensors will be mounted to serve as collision avoidance.
-    The sensors offer range detection from $\SI{2}{\centi\meter}$ to $\SI{400}{\centi\meter}$ and its operation
-    is not affected by sunlight or black material.
+    On the quadcopter, six ultrasonic sensors, \href{http://www.robotshop.com/en/hc-sr04-ultrasonic-range-finder.html?gclid=CMOxmYTsidACFWricgodt9QG-g}{HC-SR04}
+    will be mounted to serve as collision avoidance. The sensors offer range detection from
+    $\SI{2}{\centi\meter}$ to $\SI{400}{\centi\meter}$ and its operation is not affected by sunlight or
+    black material.
         The sensors come complete with an ultrasonic transmitter and receiver module.
 
     To start a measurement, Trig of SR04 must receive high ($\SI{5}{\volt}$) for at least

peripherals/usart.tex

-The built in USART in the STM32F7-NUCLEO supports several communication standards for data transmission.
-Among these are RS-232 which requires two extra lines for communication. A Ready To Send (RTS) and a
-Clear To Send (CTS), which adds a layer of hardware flow control.
+The built in USART in the \href{http://www.st.com/en/evaluation-tools/nucleo-f767zi.html}{STM32F7-NUCLEO}
+supports several communication standards for data transmission. Among these are RS-232 which requires two
+extra lines for communication. A Ready To Send (RTS) and a Clear To Send (CTS), which adds a layer of
+hardware flow control.
 
 \subsubsection{IMU - Inertial Measurement Unit}
     To track the movement of the copter in flight, a stable IMU with minimal swing effect has to be used.
@@ -9,7 +10,7 @@ Clear To Send (CTS), which adds a layer of hardware flow control.
     time. Due to noise and swinging of the gyro while accelerating in any direction, the tracking will be
     skewed while moving up and down the cave. This will result in a faulty scan. \newline
     Xsens Technologies are well known in the industry for producing stable and accurate IMU's. Their
-    product series MTi 1 features all the specifications needed for the copter and was chosen as the
+    product series \href{https://www.xsens.com/products/mti-1-series/}{MTi 1} features all the specifications needed for the copter and was chosen as the
     primary IMU for the project.
 
     \begin{figure}[H]