This circuit allows for the adjustment of fan speed from a distance, such as from a couch or bed. It utilizes the TSOP1738 infrared receiver module to capture the infrared signals.
The circuit operates by employing an infrared remote control, which transmits signals to the TSOP1738 receiver module. The TSOP1738 is designed to detect specific infrared frequencies and convert them into electrical signals that can be processed by a microcontroller or other control circuits.
Once the infrared signal is received, the microcontroller interprets the signal and adjusts the fan speed accordingly. This can be achieved through a Pulse Width Modulation (PWM) technique, where the duty cycle of the signal determines the speed of the fan. The fan speed can be incrementally adjusted based on the commands received from the remote control, allowing for a smooth transition between different speed settings.
The circuit may include additional components such as a power supply, voltage regulators, transistors for driving the fan, and resistors to ensure proper signal levels. The design should also consider the placement of the infrared receiver to ensure it has a clear line of sight to the remote control.
Overall, this circuit provides a convenient solution for controlling fan speed remotely, enhancing user comfort and accessibility.Using this circuit, you can change the speed of the fan from your couch or bed. Infrared receiver module TSOP1738 is used to receive the infrared signal t.. 🔗 External reference
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