A temperature sensor, an Arduino, and a relay circuit comprise the system in the design and execution of a temperature detector and controller for the boiler. The output is displayed on an LCD, which ...

This detector circuit uses just the Arduino Nano itself, no added sensor. Blowing some air from 30cm distance can be detected. It detects via measuring the internal heated chip temperature with 0.01 ...

Step 3: Making the Circuit. Now, as we know how the components work, let’s go ahead and assemble theses components together and make a circuit as shown below. The Ultrasonic sensor is powered by 5V ...

Microcontroller. Arduino Nano board is used as microcontroller that gets the data from RF receiver module and gives it to computer, which stores it for future use. LED in receiver blinks to indicate ...

Fig. 1: Author’s prototype Fig. 2: Block diagram of the project Circuit and working. Circuit diagram of the Arduino real-time clock with temperature display is shown in Fig. 3. It is built around ...

MAX30205 with Arduino – Circuit Diagram . The complete circuit diagram to connect Arduino with Body Temperature sensor MAX30205 is shown below. The circuit is very simple, but since we have used ...

Programmable temperature sensor. The DS1631 temperature sensor takes temperature readings between -55 °C and +125 °C, in the range 0 to 70 °C with an accuracy of ±0.5 °C. The resulting measurements ...

The power supply used for working of the circuit is 9V battery and this 9V voltage is dropped down to 5V using a 7805 Voltage regulator. It can be seen in the circuit that the Ultrasonic sensor is ...