Circuit Diagram and Explanation: In this Arduino Alcohol Detector Shield we have used a MQ3 sensor to detect present alcohol level in the breath. A 16x2 LCD is used for displaying the PPM Value of ...

An Arduino is by no means expensive, but that still doesn't mean that it suits your needs right out of the box. If you want to make your own custom board, Make shows you how in a three-part series.

A USB 2.0 port can provide current up to 500mA and it is more than enough for an Arduino UNO. Depending on the Arduino board, the type of USB connector may vary. For example, Arduino UNO have a USB ...

Assemble the circuit on the designed PCB. Once the circuit is ready and Arduino sketch is written to the board through USB port, connect shorting jumper SJ1 and a multimeter in place of the battery ...

Download the latest version of Arduino IDE from Arduino Connect your Arduino board to the PC and open Control Panel. Click on Hardware and Sound and View Devices and Printers. Find the name of 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 ow… ...

Twidec 12Pcs 1A 250V AC Pins SPST Colors Normal Open Mini Momentary Push Button Switch with Pre-soldered Wires PBS-110-X6C , Gikfun TACT Switch Push Button for Arduino PCB (Pack of 50pcs) EK1019 ...

This easy to use board reads your instructions and turn them into different types of output. On the other hand, Raspberry Pi is a credit-card sized general-purpose computer.