Posts

Showing posts from December 15, 2024

DIY: Making a Speaker Using Paper, Cardboard, or Chart Paper

Image
  Materials Needed: Magnet - A small neodymium or any strong magnet. Enamel-coated copper wire - Approximately 28 AWG (thin wire). Paper, cardboard, or chart paper - For making the speaker cone. Plastic bottle cap - To act as a base for the voice coil. Adhesive tape or glue . Scissors or cutter . Audio source - A phone or any music device with a 3.5mm jack. Auxiliary cable - With bare wire ends. Cardboard base - For mounting the speaker assembly. Steps to Make the Speaker: Create the Speaker Cone: Cut paper, chart paper, or cardboard into a circular shape (approx. 10–15 cm diameter). Roll the circular paper into a cone shape and secure it with tape or glue. Trim the base to make it flat. Make the Voice Coil: Wrap the copper wire around the bottle cap about 20–50 turns to create a coil. Carefully remove the coil, ensuring it retains its circular shape. Secure the coil with tape to prevent it from unraveling. Strip the enamel coating from the two free ends of the wire using sa...

DIY USB LED Bulb & Fan 2-in-1: A Simple Guide

Image
Creating a DIY USB-powered LED bulb and fan combo is an exciting and useful project for anyone who loves DIY electronics. This compact gadget can be powered by a USB port and serves as an energy-efficient light source and cooling fan, ideal for workspaces, camping, or emergency use. In this blog post, we'll cover the materials required, a step-by-step action plan, and reviews of similar products to inspire your creativity. Action Plan Step 1: Gather Materials USB cable (repurpose from an old charger or buy new) 5V LED bulb (small size for USB compatibility) Mini USB fan module (available online or at electronics stores) Heat shrink tubing or electrical tape Soldering kit (iron, solder, flux) Small project box or casing (optional) Wire cutter and stripper Glue gun or adhesive tape Step 2: Prepare the USB Cable Cut the USB cable to expose the wires inside. Strip the insulation to reveal four wires: red (positive), black (negative), and two data wires (green and white). Trim the data ...