LM35 is a temperature sensor that outputs a voltage proportional to the surrounding temperature in centigrade. In this post I’ll show how this device can be connected to Arduino MEGA board to build a thermometer that shows the current temperature on the LCD display. For similar design based on LM75A sensor click here. Also version … Read more
Here is another digital clock design based on Arduino platform. This time it uses 4-Digit LED Dot Matrix module to show the time. Similar design with LCD display is available here. The Dot Matrix module consists of four MAX7219 chips connected in serial and 8×8 Dot Matrix Displays. I’ve used Arduino LedControl.h library to communicate … Read more
8×8 LED Matrix chaser based on Arduino MEGA compatible board will be presented in this post. It uses a LED dot matrix display module with two 74HC595 shift register chips connected in serial to control the LED output. Similar design based on MAX7219 LED driver can be found here. For this project only 3 additional … Read more
In this article I’m going to show you how an 8×8 LED Dot Matrix Display can be driven by MAX7219 with Arduino.There are 2 similar designs. PIC16F876 version is available at this link ,for circuit based on 74HC595 click here.For this project I’ve created my own function to send data to MAX7219.This function is called SendDataDotMatrix(). It … Read more
Arduino hexadecimal to binary Base Converter is a simple design that can be built using 4×4 Keypad and I2C LCD display module. Arduino MEGA board was chosen as a target device. This circuit will wait for a single digit to be entered and then convert it to a binary representation outputting 8 bit to the … Read more