fix spelling and links

Author: Adimote

.spelling

@@ -1,19 +1,23 @@
+×
 100x100mm
 11.1V
+15cm
+2.2A.
+2.5m
 20000Hz
 20Hz
 2200mAh
-2.2A.
 250x250mm
+2m
 2mm
 3.3V
 3.81mm
 3m
 4mm
 5mm
-70x84x20mm
-7.5mm
 7-zip
+7.5mm
+70x84x20mm
 83x99x24mm
 Adafruit
 AprilTag
@@ -25,7 +29,9 @@ Codecademy
 Datacamp
 dropdown
 elif
+energised
 enum
+forklift
 FreeCodeCamp
 H0-1
 iMAX
@@ -38,6 +44,7 @@ LiPo
 macOS
 Math
 matplotlib
+microswitch
 microswitches
 numpy
 piezo
@@ -46,19 +53,20 @@ Programiz
 PyCharm
 pyplot
 python3
+r.zone
 R2021b
 scikit-learn
 scipy
-SourceBots
 Smallpeice
+SourceBots
 square-ish
 StackOverflow
 submodule
+TargetInfo
 TeckNet
 Tutorialspoint
 Uno
 vcc
 VSCode
 W3Schools
 Webots
-×

content/api/encoder.md

@@ -11,7 +11,7 @@ Linear encoders are attached to joints that move in a straight line (i.e. raisin
 
 Linear encoders measure the distance the joint has moved from its start position, in *metres*.
 
-All encoders are stored in a list called `encoders`, you can access the encoder with `encoders[i]`, where `i` is the slot the encoder is plugged into. You can find this number in the [documentation for the robot](../robots/).
+All encoders are stored in a list called `encoders`, you can access the encoder with `encoders[i]`, where `i` is the slot the encoder is plugged into. You can find this number in the [documentation for the robot](/robots/).
 
 ```python
 # Get the distance from the start position
@@ -24,7 +24,7 @@ Rotary encoders are attached to joints that rotate (i.e. wheel rotations).
 
 Rotary encoders measure the total rotation the joint has moved from its start position, in *radians*.
 
-All encoders are stored in a list called `encoders`, you can access the encoder with `encoders[i]`, where `i` is the slot the encoder is plugged into. You can find this number in the [documentation for the robot](../robots/).
+All encoders are stored in a list called `encoders`, you can access the encoder with `encoders[i]`, where `i` is the slot the encoder is plugged into. You can find this number in the [documentation for the robot](/robots/).
 
 ```python
 # Get the total rotation from the start position

content/api/magnet.md

@@ -18,11 +18,19 @@ r.magnet.energised = False
 ```
 
 {{% notice warning %}}
-Check the spelling of `energised`, it's in british english, `energized` will not work!
+Check the spelling of `energised`, it's in British English, `energized` will not work!
 {{% /notice %}}
 
 You can get the current state of the magnet by getting the value of `energized` like so:
 
 ```python
 magnet_on = r.magnet.energised
 ```
+ 
+## Checking if a container is nearby
+
+The magnet can tell you if there is an object in range to be picked up. You can check if any object is in range by accessing the `nearby` property.
+```python
+# Get if a container is nearby
+is_nearby = r.magnet.nearby # True or False
+```

content/api/radio.md

@@ -17,11 +17,11 @@ which has a `sweep` function that detects transmitters that are in range:
 transmitters = r.radio.sweep()
 ```
 
-When called, the `sweep()` function uses the radio reciever to scan for all transmitters in range.
+When called, the `sweep()` function uses the radio receiver to scan for all transmitters in range.
 It returns a list of `Target` objects, each of which describes one of the transmitters that were found within range.
 A detailed description of the attributes of `Target` objects is provided at the bottom of this page.
 
-Here's an example that will repeatedly print out the information, bearing, and signal stength of each transmitter in range:
+Here's an example that will repeatedly print out the information, bearing, and signal strength of each transmitter in range:
 
 ``` python
 # Continuously prints details of nearby transmitters.
@@ -39,7 +39,7 @@ while True:
 
 ## Detecting beacons
 
-There are 4 beacons in the arena, see [the rules](../../rules/) for their locations. These beacons continually transmit their identity. Beacons can be detected up to 2.5m away.
+There are 4 beacons in the arena, see [the rules](/rules/) for their locations. These beacons continually transmit their identity. Beacons can be detected up to 2.5m away.
 
 The beacons have the `target_info.type` value of `0` (`TargetType.BEACON`), which can be used to detect if it is a beacon. See '[Objects of the Radio System](#objects-of-the-radio-system)' below for all available information.
 
@@ -73,10 +73,10 @@ The `TargetInfo` object contains information about a transmitter.
 It has the following attributes:
 
 `id`
-: The ID of the transmitter, either 1-16 for containers, or 100-103 for beacons. See [the rules](../rules/) for the arena layout.
+: The ID of the transmitter, either 1-16 for containers, or 100-103 for beacons. See [the rules](/rules/) for the arena layout.
 
 `type`
 : The type of the transmitter, either `0` (`TargetType.BEACON`) for a beacon, or `1` (`TargetType.CONTAINER`) for a container.
 
 `owner`
-: The zone id of the robot that currently owns the stations territory. This can be `0` (`Owner.ZONE_0`), `1` (`Owner.ZONE_1`), or `-1` (`Owner.NULL`). which indicates it does not have an owner (i.e. it's a beacon). Remember, you can find out which zone your robot is in using [r.zone](game-state)
+: The zone id of the robot that currently owns the stations territory. This can be `0` (`Owner.ZONE_0`), `1` (`Owner.ZONE_1`), or `-1` (`Owner.NULL`). which indicates it does not have an owner (i.e. it's a beacon). Remember, you can find out which zone your robot is in using [r.zone](/api/game-state)

content/api/touch.md

@@ -7,9 +7,9 @@ Microswitches, or touch sensors, are used to measure when something is touching
 
 ## Reading the touch sensor
 
-The touch sensors will be connected to a specific pin in the arduino, typically wired in such a way that the pin's voltage is changed when the switch is pressed by an object.
+The touch sensors will be connected to a specific pin in the Arduino, typically wired in such a way that the pin's voltage is changed when the switch is pressed by an object.
 
-To read this, you need to read the digital value of the correct pin. You can get the correct pin number by looking at [the documentation for the robot](../robots/), then writing the code like so:
+To read this, you need to read the digital value of the correct pin. You can get the correct pin number by looking at [the documentation for the robot](/robots/), then writing the code like so:
 
 ``` python
 # Get if something is touching the touch sensor.

content/api/ultrasound.md

@@ -7,11 +7,11 @@ Ultrasound sensors can measure distance of objects from the sensor. Ultrasound s
 
 Ultrasound sensors measure distance in a 18 degree diameter cone in front of the sensor, and report the closest measured distance in that cone. Ultrasound sensors also have a maximum distance. (Ultrasound sensors typically also have a minimum distance too, but we do not simulate that in our simulator).
 
-In our robots, ultrasound sensors are connected to the 'arduino' board, which is used to read sensors for many different purposes. Keep reading to learn how to take measurements.
+In our robots, ultrasound sensors are connected to the 'Arduino' board, which is used to read sensors for many different purposes. Keep reading to learn how to take measurements.
 
 ## Reading the ultrasound sensor
 
-The ultrasounds sensors will be connected to a specific pin in the arduino, and will constantly measure distances. Consult the description of the [robot](../../robots/) to see which pin you should use. The analogue value of the pin will be the measured distance, in metres.
+The ultrasounds sensors will be connected to a specific pin in the Arduino, and will constantly measure distances. Consult the description of the [robot](../../robots/) to see which pin you should use. The analogue value of the pin will be the measured distance, in metres.
 
 Ultrasound sensors have a maximum range of 2 metres, if objects are further than 2m away from the robot, it will report a distance of 2m.
 

content/robots/crane.md

@@ -3,13 +3,13 @@ title: Crane Robot
 weight: 2
 ---
 
-The crane has three [linear motor](../../api/motor-board), allowing it to move its [electromagnet](../../api/magnet-board) in 3 dimensions. Each motor has an [encoder (position sensor)](../../api/encoder) that can tell you the position of the motor along its track.
+The crane has three [linear motor](/api/motor-board), allowing it to move its [electromagnet](/api/magnet) in 3 dimensions. Each motor has an [encoder (position sensor)](/api/encoder) that can tell you the position of the motor along its track.
 
 Additionally, the crane has one ultrasound distance sensor and a radio, both attached to the hook (see below).
 
 ## Motor layout
 
-The layout of the [motors](../../api/motor-board) attached to the motor boards are as follows:
+The layout of the [motors](/api/motor-board) attached to the motor boards are as follows:
 
 - Motor Board 0:
     - Motor 0 - Bridge motor
@@ -19,16 +19,16 @@ The layout of the [motors](../../api/motor-board) attached to the motor boards a
 
 ## Encoder layout
 
-The layout of the [encoders](../../api/encoder) are as follows:
+The layout of the [encoders](/api/encoder) are as follows:
 
 - Slot 0: Bridge linear encoder
 - Slot 1: Trolley linear encoder
 - Slot 2: Hoist linear encoder
 
 ## Ultrasound sensor
 
-The crane has one [ultrasound sensor](../../api/ultrasound) pointing downwards from the magnet. The ultrasound sensor is attached to Arduino pin 0.
+The crane has one [ultrasound sensor](/api/ultrasound) pointing downwards from the magnet. The ultrasound sensor is attached to Arduino pin 0.
 
 ## Radio
 
-The crane robot has a [radio](../../api/radio) receiver attached to the hook, which can be used to detect which container is below it.
+The crane robot has a [radio](/api/radio) receiver attached to the hook, which can be used to detect which container is below it.

content/robots/forklift.md

@@ -3,9 +3,9 @@ title: Forklift Robot
 weight: 1
 ---
 
-The forklift has two [radial motors](../../api/motor-board), allowing it to move itself around the arena. It also has 2 grabber motors, wired so they move together. Each motor has an [encoder (position sensor)](../../api/encoder) that can tell you either the position of the motor along its track, or its angle relative to the start.
+The forklift has two [radial motors](/api/motor-board), allowing it to move itself around the arena. It also has 2 grabber motors, wired so they move together. Each motor has an [encoder (position sensor)](/api/encoder) that can tell you either the position of the motor along its track, or its angle relative to the start.
 
-The Forklift robot also has multiple Ultrasound sensors, a touch sensor, and a radio, see below for details.
+The forklift robot also has multiple Ultrasound sensors, a touch sensor, and a radio, see below for details.
 
 ## Motor layout
 
@@ -32,11 +32,11 @@ Hint: the radius of a forklift wheel is 15cm.
 
 ## Touch sensor
 
-In addition to other sensors, the Forklift also has a [microswitch touch sensor](../../api/touch) at the rear. This is used to detect if the forklift's rear is touching another object (a container, another robot, or a wall). The touch sensor is connected to pin `2` of the arduino.
+In addition to other sensors, the forklift also has a [microswitch touch sensor](/api/touch) at the rear. This is used to detect if the forklift's rear is touching another object (a container, another robot, or a wall). The touch sensor is connected to pin `2` of the Arduino.
 
 ## Ultrasound (Distance) Sensor
 
-The Forklift has many [ultrasound sensors](../../api/ultrasound) attached to various points in the robot, here is the layout of the ultrasound sensors:
+The forklift has many [ultrasound sensors](/api/ultrasound) attached to various points in the robot, here is the layout of the ultrasound sensors:
 
 - Sensor 0: Front Left
 - Sensor 1: Front Right
@@ -47,4 +47,4 @@ The Forklift has many [ultrasound sensors](../../api/ultrasound) attached to var
 
 ## Radio
 
-The Forklift robot has a [radio](../../api/radio) receiver attached to its center.
+The forklift robot has a [radio](/api/radio) receiver attached to its centre.