Temperature and Humidity Monitoring System
In Stock
A Temperature and Humidity Monitoring System using Arduino and a DHT11 sensor that measures and displays real-time temperature and humidity data on the serial monitor.
Description
The Temperature and Humidity Monitoring System uses an Arduino and a DHT11 sensor to measure environmental temperature and humidity levels. The DHT11 sensor collects real-time data and sends it to the Arduino, which processes the data and displays the temperature (in °C) and humidity (in %) on the serial monitor. This system is useful for environmental monitoring, home automation, and weather forecasting applications.
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An AND gate can be built using BC547 NPN transistors, a common general-purpose transistor used in digital circuits.
The circuit represents both the inputs A & B for the AND gate and Output, Q, which also has a +5V supply to the collector of the first transistor, which is connected in series to the second transistor, and an LED is connected to the emitter terminal of the second transistor. The inputs A & B are connected to the base terminal of Transistor 1 and Transistor 2, respectively, and the output Q goes to the positive terminal LED.
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A digital code lock system with a buzzer and servo motor is an embedded project that enhances security. When the correct code is entered, the microcontroller triggers a servo motor to unlock a door or container. If an incorrect code is entered, a buzzer sounds as an alert.
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