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Showing posts from December 17, 2023

Does Car driven by water ?

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Pakistan Science Club   E-Learning   Online Store Hydrogen Fuel Cell Vehicles: Hydrogen fuel cell vehicles use hydrogen gas (H₂) as fuel. In a fuel cell, hydrogen reacts with oxygen from the air to produce electricity, water vapor, and heat. The electricity generated powers an electric motor, which drives the vehicle. While water is produced as a byproduct of this reaction, the primary fuel is hydrogen, not water. Click the picture for the video what other people think about this concept Steam-Powered Vehicles: Steam-powered vehicles were used in the past and are considered a historical technology. These vehicles used water to produce steam, which then drove a steam engine to power the vehicle. However, steam-powered cars are not common today, and they are not considered a practical or efficient means of transportation. It's important to note that using water directly as a fuel for internal combustion engines, where the energy is derived from burning the water itself, is not a viab

DIY Remote MP3 Bluetooth Speaker

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Click here for the video   Pakistan Science Club   E-Learning   Online Store Creating a DIY USB MP3 player with a Bluetooth module, FM radio, USB, SD card, and Aux input involves combining different modules and components. Here's a basic guide to help you build a simple version of such a player: Components Needed: MP3 Player Module with USB/SD Card Support: Look for a module that supports USB and SD card playback. Bluetooth Module: Get a Bluetooth module compatible with your MP3 player module. FM Radio Module: Choose an FM radio module with audio output. Amplifier Module: An amplifier module to boost the audio signal. Speaker: A speaker suitable for your amplifier module. Auxiliary Input Jack: A 3.5mm stereo jack for the Aux input. Power Supply: A power supply or battery to power the entire system. Switches, Wires, and Connectors: Various switches for controlling different functions and wires to connect the modules. Enclosure: A suitable enclosure to house all components securely.