AVR Microcontroller Class 2009 circuit

Handy Cricket Hardware Description circuit

This document presents an overview of the hardware design of the Handy Cricket. The Handy Cricket is a compact electronic device designed for educational and recreational purposes, primarily aimed at children. The hardware design incorporates various components that work together to...

avr Piezoelectric Sensor and the ADC

The intention is to utilize the sensor as a force sensor. It has been observed that the voltage output increases with the amount of pressure applied, although this output is only sustained for a brief period. This behavior is anticipated....

Microcontroller Voltmeter / Ammeter with LCD

The rectifier bridge voltage is determined by the U2 element; refer to its datasheet for the maximum voltage specifications. The minimum voltage at this pin should not fall below approximately 9V, or 6.5V if low-dropout type U2 and U3 voltage...

microcontroller led interfacing

The initial step often taken when learning about any microcontroller or embedded system is to make an LED blink. The circuit presented below illustrates the setup for interfacing an LED. Note: Due to the large dimensions of the circuit diagram,...

avr parallel programmer 5

The primary advantage of this programmer is its capability to safeguard both the target device and the PC from unexpected voltages when either side is powered down. The buffers utilized are open-drain, with each buffer connected to the Vcc of...

AVR Microcontroller Programmer

This resource contains step-by-step information for creating an AVR microcontroller programmer, complete with a suitable circuit diagram. This programmer is capable of programming 8051, AT89XX, AT90XXXX, and 8031 family microcontrollers. The AVR microcontroller programmer described is designed to facilitate the programming...

I/O monitor program for AVR

Works on AVR controllers with RAM and a hardware UART. This code is easily modified to integrate with ROM applications to provide the ability to monitor and interact with ROM applications via a terminal simulation program over an RS-232 port....

Secured room access system

Security is a primary concern in daily life, and an access control system is a crucial component of a security framework. The microcontroller-based digital lock described here is an access control system that permits only authorized individuals to enter a...

thermometer dengan avr

The module provides a pre-wired multiplex of a 4-digit common anode LED, which is quite useful. The soldering pad for these signals is shown in the first picture below. A friend provided an AT90S2313 chip, along with a simple homemade...