Temperature-Controlled Fan Project: Amplifying Signals for Fan Control
Build a temperature-controlled fan using resistors, transistors, and a sensor. Amplify temperature signals for fan control. Easy-to-make project demonstrated with a functioning prototype.
00:00:00 This video demonstrates how to build a temperature-controlled fan using a resistor, transistor, and operational amplifier. It also explains the circuit connections on a protoboard.
π₯ The objective is to control the temperature of a fan using an operational amplifier and a transistor.
π οΈ Various components, such as resistors and diodes, are used to build the circuit.
π The circuit is connected using a protoboard and wires, and the power supply is properly configured.
00:02:43 This video demonstrates how to build a temperature-controlled fan using an LM35 sensor and an operational amplifier.
π The video discusses the use of a temperature sensor (LM35) and an operational amplifier in a fan control system.
β‘ The LM35 sensor is connected to the 12-volt power supply and its signal is sent to the non-inverting input of the operational amplifier.
π§ The amplification of the signal is determined by the two resistors (20kΞ© and 100kΞ©) in the configuration, and the overall gain is calculated using the formula A = 1 + (RF / R1).
00:05:25 This video demonstrates the construction of a temperature-controlled fan circuit using various components.
π§ The video shows how to build a temperature-controlled fan using resistors, transistors, and a sensor.
π‘οΈ By adjusting the resistors, the gain of the amplifier can be set to control the temperature at which the fan turns on.
π The temperature sensor sends a signal to the amplifier, which then activates the fan to regulate the temperature.
00:08:09 A temperature-controlled fan project using an integrated circuit. The circuit amplifies temperature signals for fan control.
π The circuit uses a temperature sensor and operates with 12 volts.
πΆ The temperature signal is amplified and sent to the input of the operational amplifier.
β‘ The circuit includes resistors and a motor for controlling the fan speed.
00:10:55 A temperature-controlled fan project that uses operational amplifiers and transistors to amplify the signal and control the fan speed.
π The video discusses the construction of a temperature-controlled fan using an operational amplifier.
π‘ The necessary components, including resistors and a diode LED, are explained and connected in the circuit.
π The function of the transistor and the importance of polarity in protecting the circuit are demonstrated.
00:13:38 An easy-to-make temperature-controlled fan project using resistors, transistors, and a temperature sensor. Demonstrated with a functioning prototype.
π The video demonstrates the construction of a temperature-controlled fan circuit.
πΊ The circuit includes resistors that sum up to a total resistance of 20k, providing a gain of 5 for the amplifier.
π¨ When the temperature rises, the fan is activated to cool the environment.
00:16:26 A temperature-controlled fan project that cools down the temperature.
π‘οΈ The video demonstrates how to create a temperature-controlled fan.
π By connecting a temperature sensor and a fan to a microcontroller, the fan turns on when the temperature exceeds a certain threshold.
π‘ The fan is controlled using an easy-to-understand Arduino code, making it a beginner-friendly project.
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