USB power socket

How to connect your project to USB power

A popular, traditional way to power electronics projects had been to use a DC power socket with an external power supply. DC power supplies with a power jack (e.g. a “2.1mm jack”) are readily available and quite affordable. Speaking for our projects, we often brought in a 9V/12V DV power supply and employed a 7805 […]

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Using the TM1637 LED Tube display

Using this nice 4-digit display with your Arduino Although the more-graphical displays are terrific (and some are cheap to buy too) , sometimes your application doesn’t need the added coding complexity. And for some projects, a “traditional” 7-segment display is simply a better choice for the project at hand – for example, clocks, GPS speedometers, […]

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