DIY Club

 PVC Hand-Powered Mini Water Pump PVC Hand-Powered Mini Water Pump A PVC hand-powered mini water pump is a simple DIY project that uses PVC pipes, a piston, and a one-way valve system to manually draw and push water. It’s an affordable and practical tool for small-scale water transfer, garden use, or as a learning project for students. Why Build a PVC Hand Pump? Low Cost: Made with cheap PVC pipes and fittings. No Electricity Required: Works manually with hand power. Portable: Lightweight and easy to carry. Educational: Great for understanding fluid mechanics and pumps. Materials Needed PVC pipes and fittings (elbows, tees, couplers) Rubber washer or piston seal One-way valves (can be DIY with rubber flaps) Handle (made from wood, plastic, or PVC) Adhesive or PVC cement How It Works The hand pump uses a piston-cylinder mechanism : When you pull the handle up, water enters the PVC chamber through a one-way valve. When you push the handl...

 Gas Leakage Sensor Gas Leakage Sensor A gas leakage sensor is an essential electronic device that detects harmful gases such as LPG, methane, or propane in the environment. It is widely used in homes, industries, and safety systems to prevent fire accidents and ensure early warning of gas leaks. How a Gas Leakage Sensor Works Most gas leakage sensors, like the MQ-series (MQ-2, MQ-5, MQ-6) , work on the principle of semiconductor gas detection . The sensor’s surface changes resistance when it comes into contact with certain gases, and this change is measured by a microcontroller (Arduino, Raspberry Pi, etc.) to trigger alarms or safety devices. Applications of Gas Leakage Sensors Home Safety Systems – Detect LPG or natural gas leaks in kitchens. Industrial Safety – Used in factories to monitor hazardous gases. Automobiles – Helps detect fuel leaks in vehicles. DIY Electronics Projects – Popular for Arduino and IoT-based safety projects. Advantages of Gas Lea...