“Example 1 bluebit重力遥控小车”的版本间的差异

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'''<big>Description：</big><br />'''  
 
'''<big>Description：</big><br />'''  
−
通过micro:bit重力感应遥控blue:bit小车<br /><br />
+
通过micro:bit重力感应遥控blue:bit小车<br />
 +
使用方法：按下micro:bit A按键左右前后倾斜，通过2轴重力控制小车
 +
<br /><br />
  
 
'''<big>Connection：</big><br />'''
 
'''<big>Connection：</big><br />'''
 +
{| class="wikitable"
 +
|-
 +
| 小车左电机 || AN1->P14<br /> AN2->P13
 +
|-
 +
| 小车右电机 || AN1->P16<br /> AN2->P15
 +
|}
 +
 
{|
 
{|
 
|-
 
|-
−
|  
+
| [[文件:重力小车.png|850px|无框|左]]
−
[[文件:重力小车.png|500px|无框|左]]
 
 
|}
 
|}
 
<br /><br />
 
<br /><br />
 
'''<big>Programs：</big><br />'''
 
'''<big>Programs：</big><br />'''
 +
<br />
 +
[http://wiki.labplus.cn/images/0/08/Bluebit%E9%87%8D%E5%8A%9B%E5%B0%8F%E8%BD%A6.zip Bluebit重力小车程序 ‎]
 +
* <big>microbit重力遥控端程序</big>
 +
<br/>
 +
:::{|
 +
|-
 +
|[[文件:Example car 1.png|800px|无框]]
 +
|}
 +
<br />
 +
<br/>
 +
<pre style="color:blue">
 +
from microbit import *
 +
import radio
 +
radio.on()
 +
radio.config(length=8, queue=3, channel=79, power=7,
 +
            address=0x44773311, group=0x1B, data_rate=radio.RATE_250KBIT)
 +
   
 +
msg = bytearray(5)
 +
x = 0
 +
y = 0
 +
z = 0
 +
a = 0
 +
while True:
 +
    x = accelerometer.get_x()
 +
    y = accelerometer.get_y()
 +
    z = accelerometer.get_z()
 +
    if button_a.is_pressed():
 +
        a=1
 +
    else:
 +
        a=0
 +
   
 +
    x = x + 10000
 +
    msg[0] = int(x / 256)
 +
    msg[1] = x % 256
 +
    y = y + 10000
 +
    msg[2] = int(y / 256)
 +
    msg[3] = y % 256
 +
    msg[4] = a
 +
    radio.send_bytes(msg)
 +
    sleep(50)
 +
</pre>
 +
<br />
 +
 +
* <big>blue:bit小车程序</big>
 +
<br/>
 +
{|
 +
|-
 +
|[[文件:Example blueit 1.png|1000px|无框]]||[[文件:Example bluebit1 2.png|1000px|无框]]
 +
|}
 +
<pre style="color:blue">
 +
from microbit import *
 +
import radio
 +
import math
 +
 +
def motion(leftSpeed, rightSpeed):
 +
    if leftSpeed > 1023:
 +
        leftSpeed = 1023
 +
    if leftSpeed < -1023:
 +
        leftSpeed = -1023
 +
    if leftSpeed == 0:
 +
        pin13.write_analog(1)
 +
        pin14.write_analog(1)
 +
     
 +
    if leftSpeed > 0:
 +
        pin13.write_analog(1)
 +
        pin14.write_analog(int(leftSpeed/1.5))
 +
     
 +
    if leftSpeed < 0:
 +
        leftSpeed = -leftSpeed
 +
        pin13.write_analog(int(leftSpeed/1.5))
 +
        pin14.write_analog(1)
 +
     
 +
    if rightSpeed > 1023:
 +
        rightSpeed = 1023
 +
    if rightSpeed < -1023:
 +
        rightSpeed = -1023
 +
    if rightSpeed == 0:
 +
        pin15.write_analog(1)
 +
        pin16.write_analog(1)
 +
    if rightSpeed > 0:
 +
        pin15.write_analog(int(rightSpeed/1.5))
 +
        pin16.write_analog(1)
 +
    if rightSpeed < 0:
 +
        rightSpeed = -rightSpeed
 +
        pin15.write_analog(1)
 +
        pin16.write_analog(int(rightSpeed/1.5))
 +
   
 +
display.off()
 +
radio.on()
 +
radio.config(length=8, queue=20, channel=79, power=7,
 +
            address=0x44773311, group=0x1B, data_rate=radio.RATE_250KBIT)
 +
x = 0
 +
y = 0
 +
z = 0
 +
a = 0
 +
left = 0
 +
right = 0
 +
while True:
 +
    msg = bytes(5)
 +
    msg = radio.receive_bytes()
 +
    if msg is not None:
 +
        x = msg[0]*256 + msg[1]
 +
        x = x - 10000
 +
        y = msg[2]*256 + msg[3]
 +
        y = y - 10000
 +
        a = msg[4]
 +
        #print('x=',x,'y=',y)
 +
        if a == 1:
 +
            left = int((y + x))
 +
            right = int((y - x))
 +
            print('left = ', left)
 +
            print('right = ', right)
 +
            motion(right, left)
 +
        else:
 +
            motion(0,0)
 +
</pre>

2018年3月30日 (五) 16:11的最新版本

Part list:

  • 1x micro:bit
  • 1x blue:bit-主板
  • 2x blue:bit-电机驱动


Description：
 通过micro:bit重力感应遥控blue:bit小车
使用方法：按下micro:bit A按键左右前后倾斜，通过2轴重力控制小车

Connection：

小车左电机 AN1->P14
AN2->P13
小车右电机 AN1->P16
AN2->P15
重力小车.png



Programs：
Bluebit重力小车程序 ‎

  • microbit重力遥控端程序


Example car 1.png 



from microbit import *
import radio
radio.on()
radio.config(length=8, queue=3, channel=79, power=7, 
             address=0x44773311, group=0x1B, data_rate=radio.RATE_250KBIT)
    
msg = bytearray(5)
x = 0
y = 0
z = 0
a = 0
while True:
    x = accelerometer.get_x()
    y = accelerometer.get_y()
    z = accelerometer.get_z()
    if button_a.is_pressed():
        a=1 
    else:
        a=0
    
    x = x + 10000
    msg[0] = int(x / 256)
    msg[1] = x % 256
    y = y + 10000
    msg[2] = int(y / 256)
    msg[3] = y % 256
    msg[4] = a
    radio.send_bytes(msg)
    sleep(50)


  • blue:bit小车程序


Example blueit 1.png Example bluebit1 2.png 
from microbit import *
import radio
import math

def motion(leftSpeed, rightSpeed):
    if leftSpeed > 1023:
        leftSpeed = 1023
    if leftSpeed < -1023:
        leftSpeed = -1023
    if leftSpeed == 0:
        pin13.write_analog(1)
        pin14.write_analog(1)
       
    if leftSpeed > 0:
        pin13.write_analog(1)
        pin14.write_analog(int(leftSpeed/1.5))
       
    if leftSpeed < 0:
        leftSpeed = -leftSpeed
        pin13.write_analog(int(leftSpeed/1.5))
        pin14.write_analog(1)
       
    if rightSpeed > 1023:
        rightSpeed = 1023
    if rightSpeed < -1023:
        rightSpeed = -1023
    if rightSpeed == 0:
        pin15.write_analog(1)
        pin16.write_analog(1)
    if rightSpeed > 0:
        pin15.write_analog(int(rightSpeed/1.5))
        pin16.write_analog(1)
    if rightSpeed < 0:
        rightSpeed = -rightSpeed
        pin15.write_analog(1)
        pin16.write_analog(int(rightSpeed/1.5))
    
display.off()
radio.on()
radio.config(length=8, queue=20, channel=79, power=7,
             address=0x44773311, group=0x1B, data_rate=radio.RATE_250KBIT)
x = 0
y = 0
z = 0
a = 0
left = 0
right = 0
while True:
    msg = bytes(5)
    msg = radio.receive_bytes()
    if msg is not None:
        x = msg[0]*256 + msg[1]
        x = x - 10000
        y = msg[2]*256 + msg[3]
        y = y - 10000
        a = msg[4]
        #print('x=',x,'y=',y)
        if a == 1:
            left = int((y + x))
            right = int((y - x))
            print('left = ', left)
            print('right = ', right)
            motion(right, left)
        else:
            motion(0,0)
取自“http://wiki.labplus.cn/index.php?title=Example_1_bluebit重力遥控小车&oldid=2395”