发表了主题帖： 【得捷电子Follow me第3期】任务提交

在此再次感谢EEworld和DigiKey举办的Follow me系列第3期活动   第一部分 https://training.eeworld.com.cn/video/38620     第二部分   任务一 使用MicroPython系统，并完成入门程序的运行 Esptool：Tools | Espressif Systems mpy固件：MicroPython - Python for microcontrollers 安装过程 运行简单代码   任务二 驱动扩展板上的OLED屏幕显示文字和图形 OLED驱动：GitHub - stlehmann/micropython-ssd1306: A fork of the driver for SSD1306 displays to make it installable via upip 字体：GitHub - maysrp/ssd1306_font: ssd1306 oled font micropython from machine import Pin, SoftI2C from ssd1306 import SSD1306_I2C from font import Font i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) screen = SSD1306_I2C(128, 64, i2c) f=Font(screen) screen.fill_rect(0, 0, 128, 64, 1) screen.fill_rect(2, 2, 124, 60, 0) f.text("hello,world!",15,25,16) screen.show()     任务三 控制蜂鸣器播放音乐 import time from machine import PWM,Pin buzzer = PWM(Pin(5),duty=0) fq = { 'L1':131, 'L2':147, 'L3':165, 'L4':175, 'L5':196, 'L6':220, 'L7':247, '1':262, '2':294, '3':330, '4':349, '5':392, '6':440, '7':494, 'H1':523, 'H2':587, 'H3':659, 'H4':698, 'H5':784, 'H6':880, 'H7':988, } song = ['3','4', '5','-','H3','-','H1','-','H2','H1','H1','-','7','-','7','-','2','3', '4','-','H2','-','7','-','H1','7','6','-','5','-','5','-','3','4', '5','-','H1','H2','H3','-','H2','H1','6','-','H2','H3','H4','-','H3','H2', '5','-','H4','-','H3','-','H2','-','H1','-','-','-','-','-','-','-', 'H1','-','-','H1','H3','-','H1','-','H2','-','-','H2','H2','-','-','-', 'H2','-','-','H2','H4','-','H2','-','H3','-','-','H3','H3','-','-','-', 'H3','-','-','H3','H5','-','H3','-','H4','-','-','H4','H4','-','H3','H2', '5','-','H4','-','H3','-','H2','-','H1','-','-','-','-','-','-','-'] def play(md, buzzer=buzzer, dt=500, dl=0.24, bk=0.01): for t in md: if t == '-': time.sleep(bk+dl) elif t == '0': buzzer.duty(0) time.sleep(bk+dl) else: buzzer.duty(0) time.sleep(bk) buzzer.duty(dt) buzzer.freq(fq[t]) time.sleep(dl) buzzer.duty(0) play(song) 运行详情请见视频，在此不作展示   任务四 连接WiFi网络，并访问互联网信息 import network, ntptime, time from machine import RTC, Pin, SoftI2C from ssd1306 import SSD1306_I2C from font import Font ssid = "YOURSSID" password = "YOURPASSWORD" nw = network.WLAN(network.STA_IF) nw.active(True) nw.connect(ssid, password) print(nw.ifconfig()) def fix_time(): while True: try: ntptime.settime() break; except: print('trying...') print('Time Fixed.') def display_time(screen): screen.fill_rect(0, 0, 128, 64, 1) screen.fill_rect(2, 2, 124, 60, 0) now = time.gmtime() f.text("%d-%02d-%02d"%(now[0],now[1],now[2]+int(now[3]/16)),25,16,16) f.text("%02d:%02d:%02d"%((now[3]+8)%24,now[4],now[5]),32,38,16) screen.show() i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) screen = SSD1306_I2C(128, 64, i2c) f=Font(screen) fix_time() while True: display_time(screen) time.sleep(1)     任务五 使用外部传感器 （1）温湿度传感器 AHTX0驱动：micropython-ahtx0 · PyPI import network, ntptime, time import ahtx0 from machine import RTC, Pin, SoftI2C from ssd1306 import SSD1306_I2C from font import Font ssid = "YOURSSID" password = "YOURPASSWORD" nw = network.WLAN(network.STA_IF) nw.active(True) nw.connect(ssid, password) print(nw.ifconfig()) def fix_time(): while True: try: ntptime.settime() break; except: print('trying...') print('Time Fixed.') def get_time(): now = time.gmtime() return (now[0],now[1],now[2]+int(now[3]/16),(now[3]+8)%24,now[4],now[5]) def get_value(sensor): while True: try: return (sensor.temperature,sensor.relative_humidity) break; except: print('trying...') print('Sensor Value Fixed.') def display(screen, now, values): screen.fill_rect(0, 0, 128, 64, 1) screen.fill_rect(2, 2, 124, 60, 0) f.text("%02d-%02d %02d:%02d"%(now[1],now[2],now[3],now[4]),20,8,16) f.text("T:%.2f"%(values[0]),36,25,16) f.text("H:%.2f"%(values[1]),36,40,16) screen.show() i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) screen = SSD1306_I2C(128, 64, i2c) sensor = ahtx0.AHT10(i2c) f=Font(screen) fix_time() while True: display(screen, get_time(), get_value(sensor)) time.sleep(5)   （2）环境光传感器 import network, ntptime, time import ahtx0 from machine import RTC, ADC, Pin, SoftI2C from ssd1306 import SSD1306_I2C from font import Font ssid = "YOURSSID" password = "YOURPASSWORD" nw = network.WLAN(network.STA_IF) nw.active(True) nw.connect(ssid, password) print(nw.ifconfig()) def fix_time(): while True: try: ntptime.settime() break; except: print('trying...') print('Time Fixed.') def get_time(): now = time.gmtime() return (now[0],now[1],now[2]+int(now[3]/16),(now[3]+8)%24,now[4],now[5]) def get_value(sensor): return (sensor.read_u16(), sensor.read_uv()/1000) def display(screen, now, values): screen.fill_rect(0, 0, 128, 64, 1) screen.fill_rect(2, 2, 124, 60, 0) f.text("%02d:%02d:%02d"%(now[3],now[4],now[5]),30,8,16) f.text("ADC:%d"%(values[0]),28,25,16) f.text("UV:%d"%(values[1]),40,40,16) screen.show() i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) screen = SSD1306_I2C(128, 64, i2c) sensor = ADC(Pin(2), atten=ADC.ATTN_11DB) f=Font(screen) fix_time() while True: display(screen, get_time(), get_value(sensor)) time.sleep(1)     第三部分 源码下载：download.eeworld.com.cn/detail/bjm212501/630287 提示：源码中SSID和PASSWORD需要自行更改   心得体会 本次活动的Seeed Studio XIAO ESP32C3主板使用了用途广泛的esp32，并且有非常完整的开发文档，为我们操作查错提供了很大的便利，配套的扩展版功能强大，用途广泛，扩展性强。首次体验micropython语言编程，操作简单，开放度高，学习性及可玩性强，非常感谢eeworld和digikey举办此次活动，并希望活动举办更多类似活动。

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