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Tutorial

  • Photoresistor Sensor

    A **photoresistor** (also known as a **light-dependent resistor** or **LDR**) is a type of resistor whose resistance decreases as the intensity of light hitting the device increases. It is made...

    Lonely Binary |

  • Project - Temperature Measurement

    # Project - Temperature Measurement To use an NTC thermistor with the Lonely Binary UNO R3, you need to connect it in a **voltage divider** configuration. Here’s how you can...

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  • NTC Temperature Sensor

    An **NTC (Negative Temperature Coefficient) sensor** is a type of temperature sensor whose resistance decreases as the temperature increases. This behavior is the opposite of a **PTC (Positive Temperature Coefficient)**...

    Lonely Binary |

  • Project - IR Sender

    # Project - IR Sender In the previous project, we learned how to capture signals from a remote controller. In this project, we’ll build our own remote controller to replicate...

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  • Project - IR Receiver

    # Project - IR Receiver the **VS1838B** is a common and widely-used infrared (IR) receiver module. It’s designed to receive and decode infrared signals from remote controls, making it ideal...

    Lonely Binary |

  • Remote infrared Sensor

    Remote infrared (IR) works by transmitting invisible infrared light signals from a remote control to a receiving device, such as a TV, air conditioner, or home theater system. Here’s a...

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  • Project - Motion Detection Alarm

    # Overview In this project, we’ll build a PIR motion sensor system with an Arduino. When motion is detected, the LED will turn on. # SR602 ![Pasted image 20250129152943.png](https://cdn.shopify.com/s/files/1/0331/9994/7908/files/Pasted_image_20250129152943.png?v=1741565594) The...

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  • PIR Motion Sensor

    # PIR Motion Sensor A **PIR (Passive Infrared) sensor** is an electronic device that detects motion by measuring infrared (IR) radiation emitted by objects in its field of view. It...

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  • Project - Distance Measurer

    # Project - Distance Measurer In this project, we will build a distance measurer that can measure distances up to 4 meters using the HC-SR04 Ultrasonic Sensor and Arduino. ![distance_sensor.gif](https://cdn.shopify.com/s/files/1/0331/9994/7908/files/distance_sensor.gif?v=1741565325)...

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  • Ultrasonic Sensor HC-SR04

    # Overview An **ultrasonic sensor** is an electronic device used to measure distance or detect objects by emitting ultrasonic sound waves and analyzing the echoes that return. These sensors operate...

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  • Project - Musical Doorbell

    # Musical Doorbell Let’s create a simple music doorbell using a button and a passive buzzer! When a guest presses the doorbell button, the music will play. **Wiring Instructions:** 1....

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  • Passive Buzzer

    # Passive Buzzer A passive buzzer requires an external signal to create sound. It does not have a built-in oscillator, so it relies on a square wave signal or frequency...

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