atmel at89c2051at89c51at89cxx circuit

LCD CLOCK USING 8051 (89s51) Microcontroller

This project implements a real-time clock using the 89C51 microcontroller. The clock's data format is hours:minutes:seconds, which is displayed on a 16x2 LCD. The code has been tested and compiled using the Keil uVision compiler. The circuit diagram for the...

Programmable Current and Voltage Regulator for Battery Charger

This is a programmable current and voltage regulator circuit. It consists of a voltage regulator with external current limitation. The variable resistor R2 is... The programmable current and voltage regulator circuit is designed to provide precise control over output voltage and...

8051SBC USB & GLCD Expansion Board

8051SBC USB and GLCD Expansion Board, electronic circuit schematic wiring diagram for the 8051SBC USB and GLCD Expansion Board. The 8051SBC USB and GLCD Expansion Board is designed to enhance the functionality of the 8051 microcontroller system by providing additional interfaces...

IR On/Off Switch Using Microcontroller

Turning electrical devices ON or OFF using a remote control is a well-established concept, with numerous devices available that perform this function effectively. To create such a device, it is necessary to construct a receiver and a transmitter, as well...

Talking Yoda head

The talking Yoda head consists of a Yoda mask and a microcontroller system to achieve the desired operation/effect. The basic operation of the project was specified as follows: The head was to be placed inside a closed box. Upon opening...

Microcontroller based College Automation System

This project is a microcontroller-based college automation system aimed at addressing the challenges faced in educational institutions. It replaces the conventional notice board with an automated device that allows users to both hear and read the information being announced through...

mosfet Turning a microcontroller on with a flip flop

The objective is to control the power to a load, specifically an 8051-based microcontroller (uC), using two switches. When the uC is powered on, it sets the PWR pin high. Upon pressing the switches again, pin 4 of the flip-flop...

AT89C2051/4051 Driving Dot LED

A basic circuit of the 89C2051 can be constructed using point-to-point soldering on a universal printed circuit board (PCB). An ordinary 20-pin socket should be utilized, avoiding the use of a circular-pin socket. D1 represents a small dot LED. U2...

Microcontroller Programming 2

For this week's assignment, a chip design was provided, and the task was to incorporate a button and an LED (light-emitting diode). The objective was to fabricate the chip and program it to interact with the light and button. Given...