* __LoRaWAN init Rx Mode with data__
Set data receiving callback
* __Set point to point with frq__
Set communication frequency
* __Send string__
Send a message
* __Get data__
Get the received data (used in the data reception callback)
#### Usage
> Press button A/B to send a message, and monitor the received data in real time
>
## LidarBOT
#### Feature introduction
> Radar scan navigation car，which can control light，walking and display map
>
* __Lidarbot set with neopixel__
Set the radar car led color
* __Lidarbot set number with neopixel__
Set the led color separately
* __Lidarbot Seed(0 ± 7)__
Set walking direction and speed
* __Lidarbot set Motor Speed X(-7 ~ 7) Y(-7 ~ 7) Z(-7 ~ 7) A(-7 ~ 7)__
Set the motor speed and direction in the X and Y directions
* __Lidarbot set Servo angle__
Set the steering angle
* __Lidarbot X axis speed(0±7）Y axis speed (0±7)__
Set the X and Y axis directions
* __Lidarbot Draw Map__
Drawing a radar map
* __Lidarbot Get Distance__
Read the specified angle obstacle distance
#### Usage
> The car goes forward at 3 speeds for 5 seconds.
>
## STEPMOTOR
#### Feature introduction
> Stepper motor control
>
* __Motor Address__
Module's I2C address
* __Motor X Y Z Speed__
Set the stepping motor X-axis Y-axis Z-axis rotation steps and speed
* __Put g code__
Run G code
* __Set mode__
Set the motor into operating mode, distance mode or relative value mode
* __lock motor__
Lock motor
* __unlock motor__
Unlock motor
#### Usage
> Motor is running alternately in reverse
>
## SERVO
#### Feature introduction
> Steering gear control
>
* __Set servo rotate__
Set the specified servo angle
* __Set servo write us__
Set the servo pulse time
#### Usage
> Control the 0-5 steering gear to rotate 90 degrees
>
## Bala Motor
#### Feature introduction
> Control the operation of Bala coded motor
>
* __set rotate speed__
Set the motor rotation direction and speed
* __Run Speed__
Set a certain number of pulses to travel in a running direction at a certain speed
* __Go To Position MaxSpeed__
Run 500 pulses at the set speed
* __Stop__
Motor stop
* __Read encode__
Read encoder value
#### Usage
> Press button A and it will move forward 500 pulses at a speed of 255
>
## Bala
#### Feature introduction
> Control the operation of Bala
>
* __Move__
Set the motor rotation direction and speed
* __Turn__
Set the number of turning pulses
* __Rotate to__
Set the turning degree
* __get angle__
Return current angle
* __set angle offset__
Set the angular offset
* __balance loop__
Auto balance
#### Feature introduction
>Bala will turn 45 degree in advancing every 500 pulses
>
## LEGO+
#### Feature introduction
>Control the operation of lego code motor
>
* __Set rotate pwm__
Set motor direction and speed
* __Stop__
Motor stop
* __Clear encode__
Encoder clear
* __Read encode__
Read encoder data
#### Usage
>Set the motor to stop after running for 5 seconds
>
## PM2.5
#### Feature introduction
> Dust particle detection, output concentration or quantity
>
* __PM2.5 get value in__
Set the mode into particle diameter detecting and checking, return the detection result - SPM is the standard particle concentration value while APM is the atmospheric environment particle concentration value
* __PM2.5 get particles above um number__
Return the amount of particulate matter in the specified diameter
#### Usage
> The screen shows the amount of PM2.5 particles
>
# BaseX
#### Feature introduction
> Control LEGO motors and servos
>
* __Set to Mode__
Set motor mode (normal / position / speed)
* __Get encoder value__
Get the value of the encoder
* __Set encoder__
Set the value of the encoder
* __Set speed__
Set motor speed
* __Get speed in 20ms__
Get the speed of the motor in 20ms
* __Set position point to__
Set the motor position
* __Set position PID max speed to__
Set position mode motor speed
* __Set speed point to__
Set motor speed（speed mode）
* __Run ahead__
Go forward to the specified position
* __Set Servo angle to__
Set the servo angle
* __Set Servo pulse to__
Set the number of servo pulses
#### USAGE
> Set the motor to 1000 at a speed of 50
>
## PLUS
#### Feature introduction
> Read encoder
>
* __Get encode__
Get encoder value
* __Get press__
Get encoder button value
* __Clean encode__
Clear encoder
#### Usage
> Show encoder status
>
## GoPlus
#### Feature introduction
> Control DC motor and steering gear and read analog and digital quantities
>
* __Set servo angle__
Set the servo angle
* __Set motor speed__
Set motor speed
* __Digital read pos__
Read the digital value of the specified pin of the port
* __Analog read__
Read the analog quantity of the specified port
#### Usage
> Read digital, analog, control steering gear and motor
>
## GPS
#### Feature Introduction
>Get GPS information
>
* __get time__
Get local time
* __get latitude__
Get latitude
* __get longitude__
Get longitude
* __get satellite num__
Number of satellites acquired
* __get positioning quality__
Get positioning quality
* __get speed__
Obtain relative ground speed
* __get course__
Get geographic north pole location
* __set time zone__
Set local time zone
#### Usage
> Display GPS related information on the screen
>