Digital Systems Lab Page
#digital logic
#microcontroller
#arduino
#computer interface
#measurement & instrumentation
#sensor
#communication
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arduino Electret Microphone preamplification will it work for dynamic type microphone
The circuit functions adequately, although it is not ideal in terms of quality. However, there is a minor issue when interfacing the output with an Arduino. The output swings below ground, meaning it is biased at 0V, while the Arduino's...
Interfacing seven segment to microcontroller
The Tutorial shows how to interface 7-segment display to a microcontroller. Also explains how do display more than one 7-segment on same data lines using scanning method. 7 Seg displays are are basically 7 LED's. It will be much easier...
arduino dioder
A few weeks ago, it was noted that IKEA offers a set of color-changeable LED strips. There has been a search for an effective method to provide...
The color-changeable LED strips from IKEA are designed to offer flexibility in lighting options...
Arduino Motion Detector Circuit
Once the motion sensor detects motion, the Arduino can be programmed to activate an LED, turn on a motor, sound a buzzer, etc. In this circuit, for simplicity, an LED will be turned on when the motion sensor detects movement....
adding audio to arduino projects
A simple solution for enhancing sound output from a microcontroller is the LM386 series of amplifier chips, which provide high-quality audio for under one dollar. These chips can be used to create a functional MP3 docking station and serve as...
The Arduino Internet Gizmo
The Arduino Internet Gizmo is a USB, Arduino, and RFID device designed for web browsing. It operates by placing an RFID tag on the device, which reads the tag and transmits the tag number via USB to a program running...
home security system
The fundamental design of this project employs an Atmel AT89S8252-24PC Microcontroller, which features 2KB of EEPROM for runtime data storage. An ADC0838CCN analog-to-digital converter will be utilized to process up to eight inputs from sensor devices, including passive infrared sensors...
Wireless switch using arduino and a mac circuit
The capability to control lights and fans wirelessly has transitioned from an expensive luxury to widely accessible consumer solutions. Nevertheless, creating a custom solution remains an engaging project for hobbyists and tinkerers. RobotGrrl has developed user-friendly libraries aimed at addressing...
Another Arduino project for newbies
Electronic devices require precision. When a task is performed multiple times, the outcome is consistently the same. However, there are instances where random results are desirable, such as in gaming applications. This project demonstrates how to create a lottery game...