Differences

This shows you the differences between two versions of the page.

--- arduino:sds011 [2020/01/04 16:56] – created aistis
+++ arduino:sds011 [2020/01/06 08:23] (current) – aistis
@@ Line 10: / Line 10: @@
 https://create.arduino.cc/projecthub/plouc68000/portable-fine-dust-pm10-analyzer-with-large-oled-digits-1c20c2
+https://nettigo.pl/attachments/398
+{{:arduino:pasted:20200104-214331.png}}
+<code python>
+import serial
+import matplotlib.pyplot as plt
+s = serial.Serial(port='COM5',baudrate=9600)
+plt.figure()
+plt.grid()
+plt.title('particale concentration in my room');
+i=0
+while True:
+    res = s.read(size=10)
+    a = int.from_bytes(res[2:3], byteorder='big', signed=False)
+    b = int.from_bytes(res[4:5], byteorder='big', signed=False)
+    print("{},{}".format(a,b))
+    plt.scatter(i, a, c='r')
+    plt.scatter(i, b, c='b')
+    plt.legend([r'PM10 $\mu g \/ \slash m^{3}$', r'PM2.5 $\mu g \/ \slash m^{3}$'])
+    plt.pause(0.05)
+    i+=1
+s.close()
+</code>
+{{:arduino:pasted:20200106-082303.png}}