https://github.com/sam-sponcy/thermometermqtt
Creation of a connected thermometer using MQTT over WiFi with an Arduino Uno WiFi
https://github.com/sam-sponcy/thermometermqtt
arduino-uno arduino-uno-wifi dht11 laser-cutting lasercut led-controller thermometer
Last synced: about 1 month ago
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Creation of a connected thermometer using MQTT over WiFi with an Arduino Uno WiFi
- Host: GitHub
- URL: https://github.com/sam-sponcy/thermometermqtt
- Owner: Sam-Sponcy
- Created: 2024-07-09T10:21:31.000Z (10 months ago)
- Default Branch: main
- Last Pushed: 2024-07-09T10:32:26.000Z (10 months ago)
- Last Synced: 2025-01-31T19:35:08.553Z (3 months ago)
- Topics: arduino-uno, arduino-uno-wifi, dht11, laser-cutting, lasercut, led-controller, thermometer
- Language: C++
- Homepage:
- Size: 9.61 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
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Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# ThermometerMqtt
Connected Thermometer with MQTT using Arduino Uno WiFi
This project implements a connected thermometer using MQTT communication over WiFi with an Arduino Uno WiFi board. The thermometer measures temperature and humidity using a DHT11 sensor and visualizes the data using NeoPixel LED strips, controlled remotely via MQTT messages.
- Features
Temperature and Humidity Sensing: Utilizes DHT11 sensor to measure ambient temperature and humidity.
MQTT Communication: Connects to an MQTT broker over WiFi to publish sensor data and subscribe to control messages.
Remote LED Control: NeoPixel LED strips indicate temperature and humidity levels visually.
Task Scheduling: Utilizes TaskScheduler library to manage periodic tasks for sensor reading and LED control.
- Components Used
Arduino Uno WiFi: Controls the overall logic and manages WiFi connectivity.
DHT11 Sensor: Measures temperature and humidity.
NeoPixel LED Strips: Visualizes temperature and humidity levels.
MQTT Broker: Provides communication between the Arduino and remote clients.
- Libraries Required
Ensure the following libraries are installed in your Arduino IDE:
WiFiNINA
PubSubClient
DHT (for DHT11 sensor)
Adafruit_NeoPixel
TaskScheduler
Install these libraries via the Arduino Library Manager (Sketch -> Include Library -> Manage Libraries...) if they are not already installed.
- Setup Instructions
- Hardware Setup:
Connect the DHT11 sensor to the Arduino Uno WiFi board.
Connect NeoPixel LED strips to the designated pins.
- Software Setup:
Install Arduino IDE on your computer if not already installed.
Open the Arduino sketch (*.ino) in the Arduino IDE.
Install required libraries mentioned above.
- Configure WiFi and MQTT:
Modify ssid, pass, mqtt_server, mqtt_port, mqtt_user, and mqtt_password variables in the sketch to match your WiFi network and MQTT broker credentials.
Upload and Run:
Upload the sketch to your Arduino Uno WiFi board.
Open the Serial Monitor (Tools -> Serial Monitor) to view debug messages and status updates.
Usage:
The thermometer will start publishing temperature and humidity data to MQTT topics (ODC/sensor/temperature and ODC/sensor/humidity).
Subscribe to MQTT topics (ODC/led, ODC/lum, ODC/ON, ODC/OFF) to control the NeoPixel LED strips remotely.