def main():
""" メイン関数 """
# 接続ピン
PIN_LD = 23
# A/D変換チャネル数
NUM_CH = 4
# 赤色LED設定(PWM)
red = PWMLED(PIN_LD)
# フォトリフレクタ（複数）設定（A/D変換）
photorefs = [ MCP3004(channel=idx) for idx in range(0,NUM_CH) ]
# ループ処置
while True:
# 計測値平均の初期化
ave = 0.0
# 計測データの取得
for idx in range(0,NUM_CH):
pr = photorefs[idx]
v = pr.value
ave += v
print('{}:{:4.2f} '.format(idx+1,v),end=' ')
print()
# 計測データの平均をLEDに出力
red.value = ave/NUM_CH
# 0.1秒待機
sleep(0.1)
def main():
""" メイン関数 """
# 接続ピン
PIN_LD = 23
# A/D変換チャネル数
NUM_CH = 4
# 赤色LED設定(PWM)
red = PWMLED(PIN_LD)
# フォトリフレクタ（複数）設定（A/D変換）
photorefs = [MCP3004(channel=idx) for idx in range(NUM_CH)]
# 計測データ平均をLED入力に接続
red.source = averaged(photorefs[0], photorefs[1], photorefs[2],
photorefs[3])
# 停止(Ctrl+c)まで待機
pause()
def main():
""" メイン関数 """
# モータードライバ接続ピン
PIN_AIN1 = 6
PIN_AIN2 = 5
PIN_BIN1 = 26
PIN_BIN2 = 27
# A/D変換チャネル数
NUM_CH = 4
# 左右モーター設定(PWM)
motors = Robot(left=(PIN_AIN1,PIN_AIN2), \
right=(PIN_BIN1,PIN_BIN2), \
pwm=True)
# フォトリフレクタ（複数）設定（A/D変換）
photorefs = [MCP3004(channel=idx) for idx in range(NUM_CH)]
# ライントレース処理
motors.source = line_follow(photorefs)
# 停止(Ctr+c)まで待機
pause()
import time
from gpiozero import MCP3004
while True:
pot1 = MCP3004(0)
print("pot1: "+ str(pot1.value))
pot2 = MCP3004(1)
print("pot2: "+ str(pot2.value))
time.sleep(1)
'''
#导入ADC模块
from gpiozero import MCP3004
#导入luma相关库,oled lib
from luma.core.render import canvas
from luma.oled.device import ssd1306
from time import sleep
#初始化oled，I2C接口1,oled地址是0x3c
device = ssd1306(port=1, address=0x3C)
#初始化ADC模块,传感器接到CH1
adc = MCP3004(channel=1)
while True:
V = adc.value * 3.3 #采集范围：0-1，转成电压值 0-3.3V
#土壤湿度：干
if 0 <= V <= 1.1:
with canvas(device) as draw:
draw.text((0, 0), '01Studio', fill="white")
draw.text((0, 15), 'Soil_humidity test:', fill="white")
draw.text((0, 40), str("%.2f" % V) + 'V' + ' Dry', fill="white")
print("%.2f" % V + 'V' + ' Dry')
#土壤湿度：中
if 1.1 < V <= 2.2:
#onboard IoT board. # Capacitive Soil Moisture Sensor v1.2 # AliExpress https://bit.ly/3dMIDjD from gpiozero import MCP3004,LED from time import sleep Vref = 3.3 adc = MCP3004(channel=0,device=1) SensorPower0=LED(20) SensorPower0.on() while True: SensorPower0.on() print(adc.value*1000) SensorPower0.off() sleep(0.2)
#!/usr/bin/python
# Simple example of reading the MCP3008 analog input channels and printing them all out.
import time
from gpiozero import MCP3004
print('Reading MCP3004 values, press Ctrl-C to quit...')
print('| {0:>5} | {1:>5} | {2:>5} | {3:>5} |'.format(*range(4)))
print('-' * 32)
# Main program loop.
try:
while True:
# Read all the ADC channel values in a list.
values = [0] * 4
for i in range(4):
# The read_adc function will get the value of the specified channel (0-7).
values[i] = MCP3004(channel=i)
print("Kanaal " + str(i) + ":" + str(MCP3004(channel=i).value))
# Print the ADC values.
#print('| {0:4.3f} | {1:4.3f} | {2:4.3f} | {3:4.3f} |'.format(*values))
# Pause for 3 seconds.
time.sleep(3)
except KeyboardInterrupt:
print('\nProgram terminated by keyboard interrupt: Ctrl-C')