DIY Club

 PVC Pipe Battery Spot Welder Introduction: A PVC pipe battery spot welder is a compact DIY tool that allows you to weld battery tabs safely and efficiently. It’s ideal for building battery packs for electronics, DIY tools, or small electric vehicles. What is a PVC Pipe Battery Spot Welder? This is a spot welder built using PVC pipes for insulation and structure , along with copper strips, a transformer, and an electrical setup to weld battery tabs without damaging cells. Materials Needed: PVC pipes (for handle and insulation) Copper strips or wires for electrodes Low-voltage transformer Switch and wiring Battery holder or clamps for securing cells Safety gloves and goggles How It Works: PVC pipe acts as a handle and insulator. Copper electrodes connect to the battery tab and power source. A controlled pulse of electricity welds the tab to the battery surface. The welder allows quick, safe connections without overheating cells. Applications...

 Heart Rate Sensor 2 Introduction: A heart rate sensor is a valuable electronic device that measures the number of heartbeats per minute. It’s widely used in fitness trackers, medical devices, and DIY electronics projects to monitor health and performance. What is a Heart Rate Sensor? A heart rate sensor detects the pulse by measuring blood flow or electrical signals from the heart. Common types include optical sensors (PPG) that use light and electrocardiogram (ECG) sensors that measure electrical activity. Key Features: Real-Time Monitoring: Provides live pulse rate data. Digital Output: Can connect to microcontrollers like Arduino or Raspberry Pi. Compact Design: Small size for wearable applications. Low Power Consumption: Suitable for battery-operated devices. Applications: Fitness trackers and smartwatches. Health monitoring devices at home. DIY Arduino or Raspberry Pi projects. Sports performance tracking. Medical and research applic...