From 015ae5c286fff520c0e7a5e390648b29d79fcdd2 Mon Sep 17 00:00:00 2001
From: KubMakCZ <skrabanek@odbornaskola.cz>
Date: Fri, 9 Jan 2026 09:24:31 +0100
Subject: [PATCH] arduino dht11 python

---
 .../arduino_dht11_simple.ino                  | 19 +++++++++++++++++++
 01_arduino_dht_python/main.py                 | 18 ++++++++++++++++++
 01_arduino_dht_python/plot.py                 | 18 ++++++++++++++++++
 01_arduino_dht_python/prikazy.txt             | 12 ++++++++++++
 4 files changed, 67 insertions(+)
 create mode 100644 01_arduino_dht_python/arduino_dht11_simple/arduino_dht11_simple.ino
 create mode 100644 01_arduino_dht_python/main.py
 create mode 100644 01_arduino_dht_python/plot.py
 create mode 100644 01_arduino_dht_python/prikazy.txt

diff --git a/01_arduino_dht_python/arduino_dht11_simple/arduino_dht11_simple.ino b/01_arduino_dht_python/arduino_dht11_simple/arduino_dht11_simple.ino
new file mode 100644
index 0000000..a53d822
--- /dev/null
+++ b/01_arduino_dht_python/arduino_dht11_simple/arduino_dht11_simple.ino
@@ -0,0 +1,19 @@
+#include <DHT11.h>
+
+DHT11 dht11(2);
+
+void setup() {
+  Serial.begin(9600);
+}
+void loop() {
+  int temperature = dht11.readTemperature();
+
+  if (temperature != DHT11::ERROR_CHECKSUM && temperature != DHT11::ERROR_TIMEOUT){
+    Serial.print("DHT11:");
+    Serial.println(temperature);
+  } else{
+    Serial.print("ERROR:");
+    Serial.println(DHT11::getErrorString(temperature));
+  }
+  delay(2000);
+}
diff --git a/01_arduino_dht_python/main.py b/01_arduino_dht_python/main.py
new file mode 100644
index 0000000..94342b0
--- /dev/null
+++ b/01_arduino_dht_python/main.py
@@ -0,0 +1,18 @@
+import serial #pip intall pyserial
+import time
+from datetime import datetime
+
+ser = serial.Serial("COM3",9600)
+
+while True:
+    line = ser.readline().decode("utf-8").strip()
+
+    sensor_name, sensor_value = line.split(":")
+
+    now = datetime.now()
+    current_time = now.strftime("%H:%M:%S")
+    print(f"Čas: {current_time}")
+    print(f"Název senzoru: {sensor_name}")
+    print(f"Hodnota senzoru: {sensor_value}")
+    print("------------------")
+    time.sleep(1)
\ No newline at end of file
diff --git a/01_arduino_dht_python/plot.py b/01_arduino_dht_python/plot.py
new file mode 100644
index 0000000..d54d1ec
--- /dev/null
+++ b/01_arduino_dht_python/plot.py
@@ -0,0 +1,18 @@
+import serial
+import matplotlib.pyplot as plt
+
+ser = serial.Serial("COM3",9600)
+num_values = int(input("KOlik dat načíst?:"))
+values = []
+
+while True:
+    for i in range(num_values):
+        line = ser.readline().decode("utf-8").strip()
+        name, value = line.split(":")
+        values.append(int(value))
+        print(i)
+    plt.plot(values)
+    plt.show()
+    values = []
+    if input("q?").lower() == "q":
+        break
\ No newline at end of file
diff --git a/01_arduino_dht_python/prikazy.txt b/01_arduino_dht_python/prikazy.txt
new file mode 100644
index 0000000..e8b832a
--- /dev/null
+++ b/01_arduino_dht_python/prikazy.txt
@@ -0,0 +1,12 @@
+#vytvoření venv
+python -m venv .venv
+
+#aktivace venv
+.venv\Scripts\activate
+
+#instalace knihoven
+pip install pyserial
+pip install matplotlib
+
+#výpis knihoven ve venv
+pip list
\ No newline at end of file