The article explains how to create a battery charge meter using Arduino components. Voltage readings from batteries will determine which LED light indicates their condition. Safety precautions are ...

(****) When using serial flash with the Pro Micro standard wiring, OLED_CS (chip select) cannot be grounded (always active). In this case a simple circuit with a general purpose PNP transistor and two ...

After you’ve taken the plunge and decided to learn how to etch your own circuit boards, you’ll quickly find even the simplest boards are still out of your grasp. This is due mostly to the two-layer ...

Arduino 3D Printer project is a DIY 3D printer design based on an arduino board. It features RAMPS 1.4 shield and Arduino Mega 2560 that handles majority of the 3D printer components. It has an ...

Is an alarm for home composed by an arduino Mega, four arduino nano and many sensors. It is organized in a master-slave structure, infact there is a central module (master) that comunicates with the ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his own ...

The MLX90614 infrared thermometer allows non-contact temperature measurements using Arduino technology. Infrared thermometers are beneficial in situations where direct contact with the surface is ...

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Made memorable by that showdown in Crysis and Quake and various other works of fiction, railgun recently made their way into the real world when the U.S. Navy showed off a prototype near the start of ...