DIY Arduino power bank with display and 60w power output. ... Using an Arduino Nano board together with a 2.2 inch UART HMI display the batteries can provide up to 60w of power output.

We’ll admit it, we’re all spoiled. A few bucks can now buy a computer that would have been the envy of everyone back in the late 1970s or early 1980s. So it’s no surprise that [kr… ...