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This version of the QRE1113 breakout board has a digital output that uses a capacitor discharge circuit to measure the amount of reflection. This tiny board is ideal for line sensing when only digital I/O is available, and can be used in both 3.3V and 5V systems. The evaluation board QRE1113 IR reflectivity sensor consists of two parts - an IR-emitting LED and an IR-sensitive phototransistor. The IR LED inside the sensor lights up when you supply power to the VCC and GND pins . A 100Ω resistor is onboard and placed in series with the LED to limit the current. The output of the phototransistor is connected to a 10nF capacitor. The faster the capacitor is discharged, the more reflective the surface will be. These sensors are widely used in production line tracking robots. White surfaces reflect more light than black surfaces, so the capacitor discharges faster when pointed at a white surface than when pointed at a black surface. Both the power input and output pins are brought out to 3-pin, 0.1" pitch header sockets. The board also has a mounting hole if you want to screw it onto the board.
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Package includes:1 x QRE1113 Infrared Reflective Sensor Module   |
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Exchange or return policy
Every item comes with a 30-day warranty. However, there are certain conditions that apply:
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The customer should not be responsible for any self-inflicted damage, such as incorrect power connections (for example, supplying 5V instead of the required 3.3V for a sensor).
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The product must be in perfect condition, without any breakage or damage caused by electricity (e.g., short circuits leading to electrical fires).
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The store does not accept product exchanges due to customer misunderstandings, such as purchasing the wrong size for their project or buying something without eventually using it. Customers can inquire about the product details and ensure compatibility before making a purchase by contacting us through our Line account @modulemore during business hours. Please note that there may be delays in response between 12:00 PM and 2:00 PM.
Return Policy: To initiate a product return, customers must provide the original receipt or a copy for quick verification. Returns can be sent to our store address by following these guidelines:
- Provide a detailed description of the damaged item(s).
- Mention any tests or experiments conducted by the customer.
Please note that the store reserves the right to make the final decision regarding product replacement or refund.
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Special thanks very good images from Freepik
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Arduino compatible board, Iot, ESP32, ESP8266, Nodemcu, Raspberry pi, micro:bit and etc.
Mobile number : 0831710868
E-mail : paheyisoicus@gmail.com
E-mail : paheyisoicus@gmail.com
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