infrared ir sensor
The described sensor module serves as a fundamental component in various electronic applications, emulating the visual capabilities of human perception. It typically consists of a light-dependent resistor (LDR) or phototransistor that detects light intensity. The output of the sensor varies based on the amount of light falling on its surface, making it suitable for a range of applications such as automatic lighting systems, ambient light detection, and even simple robotics for obstacle avoidance.
The basic schematic of this sensor module includes a power supply, the sensor element (LDR or phototransistor), and a microcontroller or comparator circuit to process the sensor's output. The LDR is connected in a voltage divider configuration with a fixed resistor, allowing the voltage across the LDR to change with light intensity. This voltage can be read by an analog input pin of a microcontroller, which can then interpret the data and trigger actions such as turning on or off an LED or adjusting the brightness of a display.
In practical applications, the sensor module can be integrated into larger systems, such as smart home devices, where it can communicate with other components via protocols like I2C or SPI. The versatility of this sensor makes it a popular choice for both educational projects and professional designs, providing a straightforward way to incorporate light sensing capabilities into electronic systems.SUMMARY This circuit is one of the most basic and popular sensor modules. In electronics, this sensor is analogous to human s visionary senses which can be used.. 🔗 External reference
Related Circuits
Give your Arduino board a motion sense around it! Use any Arduino board: Uno, Mega, Duemilanove etc. To implement motion sensing capabilities with an Arduino board, a typical circuit would involve the integration of a passive infrared (PIR) sensor, which...
Shadow sensors are commonly utilized to detect the movement of an individual in a confined space. Numerous previously published circuits exhibit a significant limitation, as they only... Shadow sensors operate by detecting changes in light intensity caused by the movement...
The following circuit illustrates a simple infrared sensor module circuit diagram. Features include a simple infrared sensor module and flame detection. The simple infrared sensor module circuit operates by utilizing an infrared (IR) transmitter and receiver pair. The IR transmitter...
This is a straightforward and easy-to-construct heat or temperature sensor alarm circuit. A notable feature of this circuit is its ability to emit a beep sound and flash an LED in response to temperature changes. The heat or temperature sensor...
This section provides step-by-step instructions along with images for constructing an infrared (IR) proximity switch. As this is a straightforward circuit, only the schematic for the sensor is presented here. The objective of this tutorial is to assist others...
The ultra-simple one-transistor IR transmitter is designed to transmit sound from any 8 or 16-ohm audio source, such as a TV, radio, or tape recorder, using an infrared beam of light. The one-transistor infrared (IR) transmitter circuit operates by modulating...