DIY Club

  How to Build a Day-Night Sensor Circuit A day-night sensor circuit is a useful device that automatically detects changes in light levels and performs specific actions, such as turning lights on at night or off during the day. This type of circuit is commonly used in streetlights, garden lights, and other automatic lighting systems. Here, we will guide you through the steps to build a simple and effective day-night sensor circuit. What Is a Day-Night Sensor Circuit? A day-night sensor circuit uses a light-sensitive component, such as an LDR (Light Dependent Resistor), to detect ambient light levels. Based on the light intensity, it triggers an action—typically switching a light or device on or off. Components Needed LDR (Light Dependent Resistor) : Detects light levels. Resistors : To adjust sensitivity. Transistor (e.g., BC547) : Acts as a switch. Relay Module : Controls high-power devices. Diode (e.g., 1N4007) : Protects the circuit. LED or Bulb : Indicates operation. Power Supp...

  How to Build a Motion Sensor Circuit Motion sensor circuits are fascinating and widely used in security systems, automatic lighting, and smart devices. Creating one yourself can be a fun and rewarding DIY electronics project. This guide will walk you through the basics of a motion sensor circuit, the components needed, and the step-by-step process to build it. What Is a Motion Sensor Circuit? A motion sensor circuit detects movement within its range and triggers an action, such as turning on a light or sounding an alarm. The most commonly used sensor for such circuits is the PIR (Passive Infrared) sensor, which detects changes in infrared radiation caused by moving objects. Components Needed Here’s a list of components to get started: PIR Sensor : The core component to detect motion. Microcontroller or Timer IC (e.g., Arduino or 555 Timer) : Processes the sensor signal. LED or Buzzer : To indicate motion detection. Resistors and Capacitors : For circuit stability. Power Supply : ...

 Are you tired of cleaning your glasses every time it rains or dealing with foggy lenses? What if you could make your own glasses with built-in wipers? In this fun and innovative DIY project, we'll show you how to build glasses with wipers that can automatically clear away rain or condensation with the push of a button. Not only is this project super practical, but it’s also an excellent way to learn more about electronics and mechanical design . Let's dive into the materials you'll need, the steps to follow, and an action plan to make your own DIY glasses with wipers! Materials Needed: A pair of regular glasses (old or inexpensive ones) Small electric motor (preferably low RPM) Micro wiper blades (you can repurpose small toy car wipers or create custom ones) Small rechargeable battery (e.g., a coin cell battery) Switch (for turning the wipers on/off) Thin wires Soldering kit Glue or double-sided tape Plastic or 3D-printed frame extensions (for mounting the motor and blad...

 Building a DIY mini fridge is a fun project! Here's a simple way to create one using a few basic materials: Materials Needed: Styrofoam Box or Cooler : Acts as the main body of the fridge. Peltier Module (Thermoelectric Cooler) : A device that can make one side cold and the other side hot when electricity passes through it. Heatsink and Fan : Helps cool down the hot side of the Peltier module to make the cold side colder. Thermal Paste : Improves the connection between the Peltier module and the heatsink. 12V DC Power Supply : To power the Peltier module and fan. Switch : To turn the fridge on and off. Wires and Connectors : To connect everything together. Steps to Build the DIY Mini Fridge: Prepare the Box : Start with a Styrofoam box or cooler. This will be the main body of your mini fridge. Make sure it's big enough to hold the items you want to keep cool. Install the Peltier Module : Cut a hole in one side of the Styrofoam box for the Peltier module. Place the Peltier mod...

  Hello DIY Enthusiasts!  Electronics Projects : Are you a first-year electronics student looking for an exciting project? Join our DIY Club as we explore how to create Smart Glasses for the Blind. This project focuses on enhancing the mobility and safety of visually impaired individuals, without the use of Arduino. Here’s how you can get started: Materials Needed: Ultrasonic sensors Vibrating motor 9V battery and connector Breadboard and jumper wires Sunglasses frame Basic tools (soldering iron, wire cutter, etc.) Step-by-Step Guide: 1. Mount the Ultrasonic Sensors: Attach two ultrasonic sensors to the sunglasses frame. One should be positioned to detect obstacles at head level, and the other at chest level. 2. Connect the Components: Use jumper wires to connect the ultrasonic sensors to the vibrating motor and the battery via the breadboard. Ensure the connections are secure and insulated. 3. Power Supply: Connect the 9V battery to power the circuit. A switch can be added to...

Click the picture for Daraz Link Pakistan Science Club   E-Learning   Online Store Click the picture for Detail 30-watt Inverter Creating a DIY 30-watt inverter involves converting direct current (DC) from a power source, such as a battery, into alternating current (AC) suitable for powering small electronic devices. Below is a basic guide to building a simple 30-watt inverter: Click here for Detail Materials and Tools: DC Power Source: A 12V lead-acid battery or another suitable DC power supply. Power Transistors: Select transistors capable of handling the desired power output. Ensure they are appropriately rated for voltage and current. Resistors and Capacitors: Resistors and capacitors for controlling the oscillation frequency and voltage regulation. Transformer: A transformer to step up the voltage. Choose a transformer with a primary winding suitable for your DC source and a secondary winding that matches the desired AC output. Diodes: Diodes for rectifying the AC signal ...