This Arduino tutorial shows how to print and scroll text on MAX7219 LED dot matrix display. A potentiometer connected to Arduino analog channel is used to control the speed of the moving text. We’ll also see the simulation of this […]
MAX7219 Dot Matrix Scrolling Text Example with Arduino Read More >>
A LED Dot Matrix display is a type of electronic display device that consists of a grid of LED lights arranged in a rectangular matrix pattern. Each LED in the matrix can be turned on or off independently to form
Interfacing MAX7219 LED Dot Matrix Display with Arduino Read More >>
In some applications it is important to measure ambient light level using a light sensor, for example our smartphone automatically adjusts its display brightness according to the lighting condition around us. Another example is that for better growth, plants require
Interfacing TSL2591 Ambient Light Level Sensor with Arduino Read More >>
The TM1637 module is a popular 4-digit seven-segment LED display module that is commonly used with Arduino boards for displaying numeric data. It communicates with the Arduino board using a two-wire interface (CLK and DIO) and can display numbers, letters,
Interfacing TM1637 4-Digit 7-Segment Display with Arduino Read More >>
Today, most robotic projects are based on DC motors where speed and direction of rotation of this type of motors are controlled with the help of a driver circuit such as the DRV8833. The DRV8833 is a motor driver IC
Interfacing Arduino with DRV8833 Dual Motor Driver Module Read More >>
In this WordPress blog there are several topics showing how to measure AC and DC voltages using Arduino boards and Microchip PIC® microcontrollers (MCUs). This is another one that shows how to build an isolated AC voltage measurement circuit using
AC Voltage Measurement with Arduino Board and LCD Read More >>
This is another post that shows how to measure AC and DC currents using Arduino. The current sensor used in this project is LTSR 25-NP hall-effect current sensor which can be used to measure AC and DC currents. A 1602
AC & DC Current Measurement with Arduino and LTSR 25-NP Sensor Read More >>
In the previous project I built a circuit that can be used to measure AC and DC currents with a good accuracy over a wide range from 0 to 200A DC, this circuit is based on Arduino UNO board and
Electric Current Measurement Using Arduino and ACS758 Sensor Read More >>
This post shows how to measure AC & DC currents using Arduino uno board and ACS758 hall effect current sensor with Ture RMS/average calculations. A 1602 LCD connected to the Arduino board is used to display current values, the Arduino
Measure AC & DC Currents with Arduino and ACS758 Sensor Read More >>
This is another post that shows how to measure AC current using Arduino uno board and current transformer with TRMS calculations. The current transformer (CT) used in this project has a turns ratio of 2000:1 and a rated current of
Interfacing Arduino with Current Transformer – AC Current Measurement Read More >>