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diff --git a/assignments/old/read-temperature/read-temperature.md b/assignments/old/read-temperature/read-temperature.md
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+# Read the temperature and humidity sensor DHT22
+
+## Step 1
+
+Wire up this schematic on the bread board:
+
+![](schematic/read-temperature_schem.pdf)
+
+![](schematic/read-temperature_bb.pdf)
+
+## Step 2
+
+* Change sampling frequency
diff --git a/assignments/old/read-temperature/read-temperature.pdf b/assignments/old/read-temperature/read-temperature.pdf
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index 0000000..f1ec641
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+++ b/assignments/old/read-temperature/read-temperature.pdf
diff --git a/assignments/old/read-temperature/schematic/read-temperature.fzz b/assignments/old/read-temperature/schematic/read-temperature.fzz
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index 0000000..52a9fa0
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+++ b/assignments/old/read-temperature/schematic/read-temperature.fzz
diff --git a/assignments/old/read-temperature/schematic/read-temperature_bb.pdf b/assignments/old/read-temperature/schematic/read-temperature_bb.pdf
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+++ b/assignments/old/read-temperature/schematic/read-temperature_bb.pdf
diff --git a/assignments/old/read-temperature/schematic/read-temperature_schem.pdf b/assignments/old/read-temperature/schematic/read-temperature_schem.pdf
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+++ b/assignments/old/read-temperature/schematic/read-temperature_schem.pdf
diff --git a/assignments/old/read-temperature/solution/read-temperature/read-temperature.ino b/assignments/old/read-temperature/solution/read-temperature/read-temperature.ino
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+#include <DHT.h>
+#include <DHT_U.h>
+
+const auto DHTPIN = D1;
+const auto DHTTYPE = DHT22;
+
+DHT_Unified dht(DHTPIN, DHTTYPE);
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(D2, INPUT);
+  pinMode(D0, OUTPUT);
+}
+
+void loop() {
+  if (digitalRead(D2) == HIGH) {
+    Serial.println("HIGH");
+  } else {
+    Serial.println("LOW");
+  }
+  digitalWrite(D0, digitalRead(D2));
+  delay(100);
+}
+