About the technology of science and technology

An example of a simple hand-made technique is as follows.

1, the technical production manual is a project that combines technology and creativity. It requires not only your innovative thinking, but also your practical ability.

2. Make an "automatic induction kettle".

Materials:

3. Small kettle (about 1 liter).

4. Small temperature sensor (such as Arduino temperature sensor).

5.Arduino board.

6. Some wires.

7. Thermistors and heating elements (electric kettle components for heating water).

8. Some tape and hot melt adhesive.

9. Tools: electric soldering iron, pliers, screwdriver, etc.

To make a manual:

1. Connect the temperature sensor and heating element on Arduino board. Connect them with an electric soldering iron and wires. In order to prevent short circuit, some insulating tapes can be used to fix the wires.

2. Install a thermistor at the bottom of the kettle. Fix it on the bottom of the kettle with some hot melt adhesive. The thermistor will sense the water temperature and transmit this information to Arduino board.

3. Install a small electric heating element on the top of the kettle. And fix it on the top of the kettle with hot melt adhesive. This heating element will heat water.

4. Connect Arduino board, temperature sensor and heating element with some wires. Connect them with an electric soldering iron and wires. In order to prevent short circuit, some insulating tapes can be used to fix the wires.

5. Connect the Arduino board to a computer or power supply, and write a simple program with programming software to make the Arduino board automatically turn on the heating element when the water temperature is lower than the set value. You can use Arduino development environment to write this program. In this program, you need to define a variable to represent the set temperature of water and detect the actual temperature of water when the program is running. If the water temperature is lower than the set temperature, the program will turn on the heating element to heat the water.

Test your automatic induction kettle. Add some water to the kettle and then connect it to the power supply.