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How to Charge a Cellphone battery with a Laptop Battery

Last Updated on June 14, 2025 by Admin Leave a Comment

cellphonechargerfromlaotpbatt 1

The publish highlights a very simple circuit which could be employed for charging a cellphone 3.7V battery with the aid of a laptop battery. Just create a LM317 voltage regulator […]

Filed Under: Battery Chargers Tagged With: Battery, Cellphone, Charge, Laptop

Solar Cellphone Charger Circuit

Last Updated on May 21, 2019 by Admin Leave a Comment

cellphonechargerfromlaotpbatt

The post widely explains a MPPT based wise solar cell phone charger circuit. Talking about the above wise solar charger circuit, the design might be split up into three basic […]

Filed Under: Solar Controller Circuits Tagged With: Cellphone, Charger, Solar

How to Make a Cellphone Jammer Circuit Explored

Last Updated on February 17, 2018 by Admin 2 Comments

cellphonefrequencyrange

This really is a RF jammer planned for the U.S. 800 MHz cellular phone band (870-895 MHz). This performs by providing an extreme sweeping RF carrier on the cell phone […]

Filed Under: New Circuits Tagged With: Cellphone, Explored, Jammer

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