Conventionally, wireless controlled robots uses circuits, which have a drawback of limited working range, limited frequency range and limited control. Use of mobile phones for robotic control can overcome these limitations. It provides the advantages of robust control, working range as large as the coverage area of the service provider, no interference with other controllers […]
Cell Phone Controlled Pick and Place Robot Read More »
Are you an electronic hobbyist? Then an adjustable power supply is a must for your various needs. This project explains how to make a LM317 based adjustable power supply unit with a digital display. Components Required 1. LM317 IC 2. Resistor – 240 Ohms 3. Capacitors – 0.1uF, 10uF 4. Potentiometer – 5k 5. 30V/1A
Variable Power Supply with LCD Read More »
Requirements AtMega 16 IC/development board 3-Axis accelerometer LCD screen 16X2 (for displaying X, Y and Z data) Description This project makes use of three out of the eight ADCs present in AtMega16 IC to display the corresponding digital data of X, Y and Z outputs of an accelerometer on 16X2 LCD. Accelerometer First let’s talk
Interfacing Triple-Axis Accelerometer with AtMega16 Read More »
Saving electricity is a major concern for domestic and industrial units. We always try hard to save electricity in many ways to reduce our electricity bills, but due to some known and unforeseen circumstances our efforts do not normally transform in saving electricity. Adding to our woes we may at times forget to switch off
Coin Operated Timer Control Power Supply Box to Control AC Appliances Read More »
This project is just a smart version of any keypad lock. What’s smart about it is that it can detect whether it is needed by the user or not and accordingly switches itself to take a sleep. Making a microcontroller to sleep reduces power consumption as well as increases its usage span. Many of you
Sleeping Security – Smart Keypad Lock using AtMega16 Read More »
REQUIREMENT: AtMega 16 microcontroller L293D motor driver IC Bluetooth module (HC05) Chassis Motors & Wheels Mobile phone (Android + Bluetooth compatibility) Battery (for car section) DESCRIPTION: Have you ever wondered of operating a toy car with you own mobile phone? Yes I have made such a thing. This project involves the communication between your mobile
Mobile – Gesture Controlled Car Read More »
This tutorial explains how to make your own power supply unit for all your electronics andembedded system experiments. It also has a backup battery which will be used in case of power cuts and a display. Components Required 1. SLA 12V battery 2. Banana Jack connectors female (2 pairs each) 3. Screw Terminals (1 pair)
Un-interruptible Bench-top DC Power Supply With Display Read More »
REQUIREMENTS: AtMega 16 Microcontroller (development board) Fingerprint scanner module (R305) 16X2 Alphanumeric LCD (for user display) DESCRIPTION: In today’s secure world biometric safety is on the top. Unlike other techniques which make use of passwords and numbers, that are needed to be remembered, biometric techniques make use of human body parts like fingerprints or even
Fingerprint Detection using Microcontroller Read More »
This article is in continuation to the article Single character LCD display using AVR. The aforesaid article shows how to display a single letter on LCD. Moving forward towards learning to work with LCD, this article explains how to display a string on LCD. Displaying string is occasionally used in many applications. The connection of
How to display text on 16×2 LCD using AVR microcontroller (ATmega16) Read More »
This is the most interesting article to play with LCD. After going through the article, you can create any character/symbol which cannot be created using the ASCII values for example smiley. You can even create small games. Conventionally 16X2 LCD is use to display text or numerical values. It is possible to display special characters,
Display custom characters on LCD using AVR Microcontroller (ATmega16) Read More »
