Small refactoring + added circuit diagram

pkoscielny · Mar 16, 2021 · 99226d1 · 99226d1
1 parent c633928
commit 99226d1
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Showing 3 changed files with 6 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -7,3 +7,6 @@ The measured parameters are sent to the ZeroIoT server once per minute.
 ### List of components
 * ESP8266 WeMos D1 mini board
 * DHT21 temperature and humidity sensor (AM2301)
+
+### Breadboard circuit diagram
+![circuit](/img/air_state_sensor.png)
diff --git a/air_state.ino b/air_state.ino
@@ -11,14 +11,15 @@
 #include <ESP8266HTTPClient.h>
 #include <DHT.h>
 
+// WiFi settings.
 const char* ssid   = "****";
 const char* passwd = "****";
 String iot_server_url = "http://your_zeroiot_server_address:3000/air_state"; // zeroiot
 String device_id = "esp8266_wemos_2";
 String location = "kitchen";
 
-#define DHTTYPE DHT21 
-DHT dht(D2, DHTTYPE);
+// Sensor settings.
+DHT dht(D2, DHT21);
 
 // For proper working section for avoiding data contamination
 // I need remember previous measurement results.

diff --git a/img/air_state_sensor.png b/img/air_state_sensor.png