90s2313 avr robot board circuit

Martin Ustek has modified the project to include a Sokoban game. Information about his version can be found throughout this page; for full details, please visit his website (Czech). Either game can be selected with a menu that appears when...

DIAL ALARM-1

This is the lowest cost dialing alarm on the market and shows what can be done with an 8-pin microcontroller. The complete circuit is shown below. You cannot see all the features of this project by looking at the circuit...

Visual Basic & AVR RS232 interface

This project involves controlling an AVR microcontroller (MCU) using Visual Basic 6. The applications of this circuit are numerous, enabling the creation of various devices that require control from a Personal Computer (PC) or any circuit that collects data from...

How to display text on 16x2 LCD using AVR microcontroller (ATmega16)

This article continues from the previous one regarding the single character LCD display using an AVR microcontroller. The prior article demonstrated how to display a single letter on an LCD. This article advances the learning process by explaining how to...

burning hex files using usbasp

AVRDude is a program designed for burning hex code into microcontrollers. USBasp is a USB-based programmer for AVR microcontrollers. This tutorial will demonstrate how to use AVRdude to burn hex files into an AVR microcontroller using USBasp. The AVRdude software...

AVR Butterfly MP3

AVR ISP interface (optional but useful if the bootloader is not preferred, if budget constraints prevent the use of JTAG, or if AVR Studio has crashed and disabled on-chip debugging). The following is the updated bill of materials for the...

Microcontroller Programming

This page is a work in progress. The board and source files will soon be available for building and programming to play custom songs. After assembling the board, communication with the programmer was verified, and both the LED and switch...

Protecting Microcontroller Input Pins from Soft Power Switch

A soft power switch for a microcontroller is designed such that a momentary switch can activate the circuit, including the microcontroller. When the switch is pressed a second time, the microcontroller is capable of shutting itself down after executing necessary...

To Automate Rolling Shutter Motor

To automate the opening and closing of a rolling shutter using a time-controlled switch, additional wiring will be necessary. To implement an automated system for a rolling shutter, a time-controlled switch can be utilized to manage the operation of the shutter....