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CaptainJackeyCaptainJackey
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add pyBLE-NRF52840
add SAMPLES
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‎4.pyBLE-NRF52840/1.基础实验/1.点亮第一个LED/main.py‎

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'''
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实验名称：点亮LED蓝灯
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版本：v1.0
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日期：2020.4
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作者：01Studio
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'''
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#导入相关模块
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import board
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from digitalio import DigitalInOut, Direction, Pull
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#构建LED对象和初始化
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led = DigitalInOut(board.BLUE_LED) #定义引脚编号
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led.direction = Direction.OUTPUT #IO为输出
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led.value = True #输出高电平，点亮LED
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#阻塞IO，让程序保持运行
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while True:
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pass

‎4.pyBLE-NRF52840/1.基础实验/2.按键/main.py‎

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'''
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实验名称：按键（GPIO）
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版本：v1.0
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日期：2020.4
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作者：01Studio
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'''
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#导入相关模块
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import board
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from digitalio import DigitalInOut, Direction, Pull
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#构建LED对象和初始化
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led = DigitalInOut(board.BLUE_LED) #定义引脚编号
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led.direction = Direction.OUTPUT #IO为输出
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#构建按键对象和初始化
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switch = DigitalInOut(board.SWITCH) #定义引脚编号
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switch.direction = Direction.INPUT #IO为输入
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switch.pull = Pull.UP #打开上拉电阻
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while True:
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if switch.value == 0: #按键被按下
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led.value = True #点亮LED
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else:
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led.value = False #关闭LED

‎4.pyBLE-NRF52840/1.基础实验/3.ADC/main.py‎

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'''
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实验名称：ADC
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版本：v1.0
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日期：2020.4
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说明：0-3.3V电压测量
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www.01studio.org
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'''
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#导入相关库
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import time
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import board
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from analogio import AnalogIn
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adc = AnalogIn(board.A5) #输入IO
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while True:
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#输出电压，保留2位小数。精度16bit
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print(round(adc.value*3.3/65535,2))
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time.sleep(0.1) #测量周期100ms
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‎4.pyBLE-NRF52840/1.基础实验/4.PWM/main.py‎

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'''
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实验名称：PWM
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版本：v1.0
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日期：2020.4
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作者：01Studio
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说明：输出PWM控制蜂鸣器发出不同频率声音
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'''
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#导入相关模块
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import board
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from pulseio import PWMOut
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import time
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#PWM构建，蜂鸣器引脚A4. frequency值必须大于3，否则报错
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PWM = PWMOut(board.A4, duty_cycle=32768,frequency=200,variable_frequency=True)
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#循环发出不同频率响声。
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while True:
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PWM.frequency = 200
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time.sleep(1)
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PWM.frequency = 400
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time.sleep(1)
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PWM.frequency = 600
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time.sleep(1)
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PWM.frequency = 800
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time.sleep(1)
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PWM.frequency = 1000
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time.sleep(1)

‎4.pyBLE-NRF52840/1.基础实验/5.I2C总线（OLED显示屏）/font5x8.bin‎

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‎4.pyBLE-NRF52840/1.基础实验/5.I2C总线（OLED显示屏）/main.py‎

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'''
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实验名称：I2C总线（OLED显示屏）
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版本：v1.0
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日期：2020.4
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作者：01Studio
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实验内容：学习使用MicroPython的I2C总线通讯编程和OLED显示屏的使用。
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'''
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#导入相关模块
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import time,board,busio
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from digitalio import DigitalInOut
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import adafruit_ssd1306
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#构建I2C对象
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i2c = busio.I2C(board.SCK, board.MOSI)
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#构建oled对象,01Studio配套的OLED地址为0x3C
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display = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3C)
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#清屏
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display.fill(0)
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display.show()
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#画点(x,y,color)
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display.pixel(5, 5, 1)
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#画线(x, y, width, color)
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display.hline(5,10,20,1)
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#画矩形(x, y, width, height, color, *, fill=False)
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display.rect(5, 15, 20, 10, 1)
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#画圆
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display.circle(50, 15, 10, 1)
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#字符
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display.text("Hello 01Studio!", 5, 40, 1,font_name='font5x8.bin')
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#显示
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display.show()

‎4.pyBLE-NRF52840/1.基础实验/6.UART(串口通讯)/main.py‎

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'''
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实验名称：UART(串口通讯)
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版本：v1.0
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日期：2020.4
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作者：01Studio
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'''
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#导入相关模块
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import board
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import busio
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#串口初始化
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uart = busio.UART(board.TX, board.RX, baudrate=9600)
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#发送数据,要求字节数组
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uart.write(b'Hello 01Studio!')
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while True:
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data = uart.read(64) #最多接收64个字节
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if len(data) != 0: #有数据
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print(data) #REPL打印
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uart.write(data) #数据回发

‎4.pyBLE-NRF52840/2.传感器实验/1.温度传感器DS18B20/font5x8.bin‎

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‎4.pyBLE-NRF52840/2.传感器实验/1.温度传感器DS18B20/main.py‎

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'''
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实验名称：温度传感器DS18B20
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版本：v1.0
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日期：2020.4
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作者：01Studio
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实验内容：采集温度数据并在oled上显示。
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'''
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#导入相关模块
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import time,board,busio
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from digitalio import DigitalInOut
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import adafruit_ssd1306
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#DS18X20库模块
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from adafruit_onewire.bus import OneWireBus
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from adafruit_ds18x20 import DS18X20
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#构建I2C对象
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i2c = busio.I2C(board.SCK, board.MOSI)
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#构建oled对象,01Studio配套的OLED地址为0x3C
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display = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3C)
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#清屏
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display.fill(0)
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display.show()
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# 初始化单总线对象，引脚为D5.
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ow = OneWireBus(board.D5)
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# 搜索传感器，返回第1个
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ds = DS18X20(ow, ow.scan()[0])
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while True:
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temp=round(ds.temperature,2) #保留2位小数
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display.fill(0) #清屏
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display.text('01Studio', 0,0, 1,font_name='font5x8.bin')
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display.text('Temp Test', 0,20, 1,font_name='font5x8.bin')
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display.text(str(temp)+' C', 0,40, 1,font_name='font5x8.bin')
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display.show()
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print(str(temp)+' C')
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time.sleep(1)

‎4.pyBLE-NRF52840/2.传感器实验/2.温湿度传感器DHT11/font5x8.bin‎

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