power bank

DIY Arduino power bank with display and 60w power output

Makers and hobbyists looking for a more substantial portable battery pack that they can make themselves, should check out this excellent DIY power bank created by Instructables user “tobychui”. Using an Arduino Nano board together with a 2.2 inch UART HMI display the batteries can provide up to 60w of power output. Fitted with a 4S (14.8v) Lithium Ion battery in the form of four Panasonic …

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VOLTERMAN, YOUR PERSONAL SMART WALLET

With the rapid growth of technology, smartphones and e-payments are replacing cards, cash, and wallets. However, developers are still trying to keep wallets relevant in the 21st century, and Volterman is the newest attempts. Besides WiFi hotspot and power bank, Volterman also provides novel security features to protect your phone and wallet from loss. Similar to other …

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