docs: editing

.markdownlint.json

@@ -22,6 +22,7 @@
             "ROS Kinetic",
             "ROS Melodic",
             "OpenCV",
+            "OpenVPN",
             "Gazebo",
             "GitHub",
             "FPV",

docs/en/4g.md

@@ -18,15 +18,15 @@ Note that when connected, the modem must be recognized in the system as a networ
 
 Create the VPN network keys to connect Raspberry Pi and the ground station.
 
-To connect Raspberry Pi to your network, install the *openvpn* package:
+To connect Raspberry Pi to your network, install the OpenVPN package:
 
 ```bash
 sudo apt-get install openvpn
 ```
 
-Move your keys to the */etc/openvpn/client* directory. For convenience, use the graphical SFTP data transfer interface, for example: WinSCP, FileZilla, etc.
+Move your keys to the `/etc/openvpn/client` directory. For convenience, use the graphical SFTP data transfer interface, for example: WinSCP, FileZilla, etc.
 
-To enable the client mode, you must activate the keys you have transmitted. Keys can be generated in various formats, for example: *.ovpn*, *.conf*. The key or configuration used on your copter should be strictly in *.conf* format.
+To enable the client mode, you must activate the keys you have transmitted. Keys can be generated in various formats, for example: `.ovpn`, `.conf`. The key or configuration used on your copter should be strictly in `.conf` format.
 
 Initialize the service that uses your keys to connect in client mode:
 

docs/en/arduino.md

@@ -4,7 +4,7 @@ For interaction with ROS topics and services on a Raspberry Pi, you can use the
 
 The main tutorial for rosserial: http://wiki.ros.org/rosserial_arduino/Tutorials
 
-Arudino is to be installed on Clover and connected via a USB port.
+Arduino is to be installed on Clover and connected via a USB port.
 
 ## Configuring Arduino IDE
 
@@ -14,7 +14,7 @@ To work with ROS and Arduino, you should understand the format of installed pack
 rosrun rosserial_arduino make_libraries.py.
 ```
 
-The obtained folder `ros_lib` is to be copied to `<sketches folder>/libraries` on a computer with Arudino IDE.
+The obtained folder `ros_lib` is to be copied to `<sketches folder>/libraries` on a computer with Arduino IDE.
 
 ## Configuring Raspberry Pi
 
@@ -24,7 +24,7 @@ To run the program on Arduino once, you can use command:
 roslaunch clover arduino.launch
 ```
 
-To start the link with Arduino at the startup automatically, set argument `arudino` in the Clover launch file (`~/catkin_ws/src/clover/clover/launch/clover.launch`):
+To start the link with Arduino at the startup automatically, set argument `arduino` in the Clover launch file (`~/catkin_ws/src/clover/clover/launch/clover.launch`):
 
 ```xml
 <arg name="arduino" default="true"/>
@@ -202,7 +202,7 @@ getTelemetry.call(gt_req, gt_res);
 
 ## Problem
 
-When using Arudino Nano, RAM may be insufficient. In this case, messages will appear in the Aruino IDE like:
+When using Arduino Nano, RAM may be insufficient. In this case, messages will appear in the Arduino IDE like:
 
 ```
 Global variables use 1837 bytes (89%) of the dynamic memory, leaving 211 bytes for local variables. The maximum is 2048 bytes.

docs/en/assemble_3.md

@@ -51,7 +51,7 @@ TODO
 
 1. Unpack the power board and install the power ribbon cable.
 2. Switch the multimeter in the DC voltage measurement mode (20V or 200V range).
-3. Check the correct functionning of the power board by connecting the battery.
+3. Check the correct functioning of the power board by connecting the battery.
     * Voltage measurements are to be made between black and red wires.
     * Output voltage at the XT30 connector should be equal to the battery voltage (10 V to 12.6 V).
     * The output voltage at the power ribbon cable should be between 4.9 V to 5.3 V.
@@ -69,7 +69,7 @@ TODO
             BLACK -> OUT-
             RED -> OUT+
 
-6. Check BEC functionning.
+6. Check BEC functioning.
     * Solder the BEC to the power board:
 
             BLACK -> -

docs/en/assemble_4.md

@@ -29,7 +29,7 @@
 ## Installing motors
 
 1. Unbox the motors.
-2. Shorten the motor wires using wire strippers or sidecutters:
+2. Shorten the motor wires using wire strippers or side cutters:
 
     * Cut wires to 30 mm.
     * Strip 5 mm of insulation while taking care to not damage the cores
@@ -315,7 +315,7 @@ The flight controller expects PPM signal from your RC gear. Switch your transmit
     <img src="../assets/assembling_clever4/lower_deck_4.png" width=300 class="zoom border center">
 
 6. Connect the camera ribbon cable to the camera.
-7. Connect the laser rangefineder to the Raspberry Pi using the following pinout:
+7. Connect the laser rangefinder to the Raspberry Pi using the following pinout:
     * Connect **VCC** to pin 1 (**3v3**)
     * Connect **GND** to pin 9 (**Ground**)
     * Connect **SDA** to pin 3 (**GPIO2**)
@@ -391,7 +391,7 @@ Perform the quadrotor components setup according to [the "Configuration" section
 
 > **Warning** Be sure to **not** mount the propellers **until the setup is complete**. Do it only when you are ready to fly.
 
-Attach the propellers according to their rotation direction. The battery should be disconnected duting propeller installation.
+Attach the propellers according to their rotation direction. The battery should be disconnected during propeller installation.
 
 <div class="image-group">
     <img src="../assets/assembling_clever4/final_2.png" width=300 class="zoom border">

docs/en/ir_sensors.md

@@ -8,7 +8,7 @@ Infrared sensors are a convenient tool for transmitting any commands to the copt
 
 Most IR receivers operate and are connected the same way. Such receivers have 3 pins for connecting: G/GND — ground V/VCC — 5V power, S/OUT — signal.
 
-<img src="../assets/IR_reciver_connection.png" height="500px" alt="ir reciver connection to raspberry">
+<img src="../assets/IR_reciver_connection.png" height="500px" alt="ir receiver connection to raspberry">
 
 > **Hint** The signal port doesn't have to be connected to port GPIO 17; this pin may be changed during the [in/out port settings](#in/out).
 

docs/en/jetson_nano.md

@@ -137,7 +137,7 @@ Jetson Nano currently does not support older Raspberry Pi v1 cameras (that are b
 
 Fortunately, these cameras are available using GStreamer. You can try using the [`gscam`](http://wiki.ros.org/gscam) ROS package or our [`jetson_camera`](https://github.com/sfalexrog/jetson_camera) node. The latter requires you to build OpenCV 3.4 from source with GStreamer support.
 
-The GStreamer pipelines are available at [JetsonHacksNano CSI camera reposotory](https://github.com/JetsonHacksNano/CSI-Camera).
+The GStreamer pipelines are available at [JetsonHacksNano CSI camera repository](https://github.com/JetsonHacksNano/CSI-Camera).
 
 You may also notice that the camera image has a red tint that is more pronounced near the edges. This can be fixed by image signal processor tuning. Generally this should be done by your camera manufacturer; [here is a sample ISP configuration](https://www.arducam.com/docs/camera-for-jetson-nano/fix-red-tint-with-isp-tuning/) from Adrucam
 

docs/en/leds.md

@@ -12,7 +12,7 @@ Our [Raspberry Pi image](image.md) contains preinstalled modules for interfacing
 * control individual LED colors (low-level control);
 * configure the strip to display flight events.
 
-> **Caution** LED strip can consume a lot of power! Powering it from a Raspyerry Pi may overload the computer's power circuitry. Consider using a separate BEC as a power source.
+> **Caution** LED strip can consume a lot of power! Powering it from a Raspberry Pi may overload the computer's power circuitry. Consider using a separate BEC as a power source.
 
 ## High-level control
 

docs/en/leds_old.md

@@ -8,7 +8,7 @@ Connect the +5v and GND leads of your LED to a power source and the DIN (data in
 
 <img src="../assets/led_connection.png" height="400px" alt="leds">
 
-> **Caution** LED strip can consume a lot of power! Powering it from a Raspyerry Pi may overload the computer's power circuitry. Consider using a separate BEC as a power source.
+> **Caution** LED strip can consume a lot of power! Powering it from a Raspberry Pi may overload the computer's power circuitry. Consider using a separate BEC as a power source.
 
 <!-- -->
 

docs/en/ros-install.md

@@ -41,21 +41,21 @@ Now you can install the ROS package itself.
     ```
 
 After the package has installed, initialize `rosdep`.
-Package `rosdep` will allow to easily install dependecies for the source files that you whish to compile. Running some essential components of ROS will as well require this package.
+Package `rosdep` will allow to easily install dependencies for the source files that you whish to compile. Running some essential components of ROS will as well require this package.
 
 ```bash
 sudo rosdep init
 rosdep update
 ```
 
-If you are not confortable with entering environment variables manually each time, you may configure it in a way that it add itself in your bash session on every new shell startup:
+If you are not comfortable with entering environment variables manually each time, you may configure it in a way that it add itself in your bash session on every new shell startup:
 
 ```bash
 echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc
 source ~/.bashrc
 ```
 
-If you whish to install any additionnal packages for yout ROS Melodic simply use:
+If you whish to install any additional packages for your ROS Melodic simply use:
 
 ```bash
 sudo apt-get install ros-melodic-PACKAGE

docs/en/setup.md

@@ -114,7 +114,7 @@ Press the *Save* button to save the changed value to the flight controller. Chan
 
 > **Hint** Note that you should fine-tune the PID parameters for each drone individually.  <!-- TODO: add PID article link -->
 
-#### Cicruit breaker parameters
+#### Circuit breaker parameters
 
 1. Set `CBRK_USB_CHK` to 197848 to allow flights with the USB cable connected.
 2. Disable safety switch check: `CBRK_IO_SAFETY` = 22027.

docs/en/uart.md

@@ -37,7 +37,7 @@ By default, Raspberry Pi 3 PL011 is connected to the Bluetooth module. And Mini
 For the sake of convenience of working with these outputs, aliases exist in Raspbian:
 
 * `/dev/serial0` – always points to the TTY device that is connected to the GPIO ports.
-* `/dev/serial1` – always points to the TTY device that is connected to the Bluetooh module.
+* `/dev/serial1` – always points to the TTY device that is connected to the Bluetooth module.
 
 ### Configuration of UART on Raspberry Pi 3
 

docs/ru/4g.md

@@ -18,15 +18,15 @@
 
 Сформируйте необходимые ключи VPN сети, для подключения Raspberry Pi и наземной станции.
 
-Для того, чтобы подключить Raspberry Pi к вашей сети, установите пакет *openvpn*:
+Для того, чтобы подключить Raspberry Pi к вашей сети, установите пакет `openvpn`:
 
 ```bash
 sudo apt-get install openvpn
 ```
 
-Перенесите ваши ключи в директорию */etc/openvpn/client*. Для удобства используйте графический SFTP интерфейс передачи данных, к примеру: WinSCP, FileZilla и т.д.
+Перенесите ваши ключи в директорию `/etc/openvpn/client`. Для удобства используйте графический SFTP интерфейс передачи данных, к примеру: WinSCP, FileZilla и т.д.
 
-Для включения режима клиента, необходимо активировать переданные вами ключи. Ключи могу быть сформированы в различных форматах, к примеру: *.ovpn*, *.conf*. Ключ или конфигурация использующийся на вашем коптере, должны быть строго в формате *.conf*.
+Для включения режима клиента, необходимо активировать переданные вами ключи. Ключи могу быть сформированы в различных форматах, к примеру: `.ovpn`, `.conf`. Ключ или конфигурация использующийся на вашем коптере, должны быть строго в формате `.conf`.
 
 Инициализируйте сервис применяющий ваши ключи для подключения в режиме клиента:
 
@@ -34,7 +34,7 @@ sudo apt-get install openvpn
 sudo systemctl enable openvpn-client@config-name
 ```
 
-где *config-name* - название вашего конфигурационного файла.
+где `config-name` - название вашего конфигурационного файла.
 
 Если все сделано правильно, при каждом перезапуске системы, сервис-клиент будет автоматически подключаться к вашей сети.
 
@@ -65,7 +65,7 @@ sudo systemctl enable openvpn-client@config-name
 
 > **Info** При выборе джойстика, обратите внимание на количество рабочих каналов и на поддержку его, в QGroundControl(SDL2). Встречаются пульты поддерживающие всего 4 канала, что не удобно для такого типа управления.
 
-Если изменения положения стиков отображается в окне QGgroundControl, вам остается только применить параметр, определяющий, что управление коптером происходит с помощью джойстика, а не радиоаппаратуры:
+Если изменения положения стиков отображается в окне QGroundControl, вам остается только применить параметр, определяющий, что управление коптером происходит с помощью джойстика, а не радиоаппаратуры:
 
 `COM_RC_IN_MODE` - Joystick/No RC Checks