PIC16F877A INTERFACE CIRCUIT WITH LCD

LCD2USB is an open source/open hardware project. The goal of LCD2USB is to connect HD44780 based text LCD displays to various PCs via USB. LCD2USB was meant to be cheap and to be made of easily available parts. It is...

Microcontroller Based Telephone Remote Control Circuit

This device enables remote control of various appliances (up to eight with suitable add-on expansion boards) such as lights, water heaters, air conditioning, plant watering systems, alarms, etc., via a relay. It allows users to perform actions such as watering...

DC motor driver for DCMP(AVR-008)

A microcontroller is used to control various types of DC motors, including permanent magnet DC motors, DC servo motors, and stepper motors. This project utilizes the AVR-008 microcontroller from Circuits-Home, which is frequently referred to as the 3-in-1 driver motor...

Easy Debugging Terminal

This LCD terminal provides two modes of operation by selecting jumper J1. When J1 is open, the terminal operates as a normal ASCII display terminal. When J1 is closed, the terminal displays the input serial data in hexadecimal format. This...

L7136 LCD Thermometer For Vehicle Engine

Function: Used to measure the voltage change minute by management before the temperature diodes. Component: IC, Diode, Resistor, 3-1/2 digit LCD (SP521PR). The circuit described functions as a voltage measurement system designed to monitor minute voltage changes, particularly in relation to...

interfacing lcd

The EN line is referred to as 'Enable'. This control line is utilized to indicate to the LCD that data is being sent. To transmit data to the LCD, the program must ensure that this line is low (0), then...

POWER LINE MODEM FOR COMPUTER CONTROL

This circuit employs an 87C57 microcontroller along with several peripherals to convert X-10 power-line carrier-code formats from a personal computer for use with an X-10 power-line interface in a home-control system. Software details can be found in the reference. The circuit...

LCD Module

The LCD module is equipped with built-in fonts and can display text by sending the correct commands to the display controller known as HD44780. Comprehensive information regarding the usage of the display can be found in its datasheet. A schematic...

How to Design Battery Charger Applications that Require External Microcontrollers and Related System-Level Issues

Application note on designing linear and switch-mode (switching DC-DC converter current source) battery charger applications that require external microcontrollers and related system-level issues for notebook computers. The application note provides guidance on the design of both linear and switching DC-DC converter...