// Prepare a serial data object to receive three values (3) of 1 char long (1), the value will be an ARRAY // The array will have the 0 index for the R (Red), the index 1 for the G (Green) and the ...

#define qsuba(x, b) ((x>b)?x-b:0) // Analog Unsigned subtraction macro. if result <0, then => 0. By Andrew Tuline. float vImpact0 = sqrt( -2 * GRAVITY * h0 ); // Impact velocity of the ball when it ...

Welcome to our blog post on interfacing the WS2811 (5V) RGB LED strip with Arduino! In this guide, we will walk you through the process of connecting and controlling WS2811 LED strips using an Arduino ...

Here is an artistic Arduino project for the fun-minded. The circuit is an Arduino RGB LED controller running on a sweet ‘n’ simple code,but with a little hardware surprise outside the Arduino board.

This system uses a colour-changing LED (RGB LED/tri-colour LED) that switches to a new colour every 5 seconds. Simultaneously, the colour name is displayed on an OLED mini screen (SSD1306). This ...

Knowing that I’m always happy to get something new and glowy, my wife brought home a cheap “floating pool light” that she found on sale for roughly $10. This is a large white floating ball that has ...

Among quantitative analysis techniques, molecular absorption methods in the ultraviolet/visible region are the most commonly employed in chemical laboratories worldwide. In general, the absorbance ...