AVR ATmega32U4 USB Development Board circuit

16x2 Alphanumeric LCD Interfacing :: AVR Tutorials

The RW line is the "Read/Write" control line. When RW is low (0), the information on the data bus is being written to the LCD. When RW is high (1), the program is effectively querying (or reading) the LCD. Only...

Speed Control of DC Motor using Microcontroller by using PWM ECE Project

This report details an electronic project focused on the speed control of a DC motor using a microcontroller and PWM (Pulse Width Modulation). The system integrates a microcontroller with an LCD, keypad, and a DC motor driver. The microcontroller generates...

usb

This document outlines a project completed by a team between September 2000 and March 2001 as part of the Engineering Physics degree program at the University of British Columbia. The project involved constructing a USB device utilizing the PIC 16C745...

avr

Inspired by the work of Nanode and a recent Instructable, an AVR-based Ethernet board has been developed that can be programmed and utilized similarly to an Arduino. This straightforward design is based on the ATMega microcontroller and Microchip's ENC28J60 Ethernet...

Drive relay with AVR microcontroller

To drive a relay, a current greater than 20mA is required, which cannot be supplied by a single microcontroller pin. Therefore, a relay cannot be connected directly to a microcontroller pin. Instead, a simple amplifier circuit consisting of a single...

Perfect Pitch Circuit

Perfect Pitch, which is based on the 8751 microprocessor, is an affordable and straightforward instrument tuner and frequency counter that features a built-in headphone amplifier and a visual metronome. Perfect Pitch converts the audio signal from an instrument into a...

model RC as USB Joystick

Model aircraft pilots utilize PC flight simulator software to practice handling model aircraft without risking damage to real models. It is advantageous to use the actual model aircraft remote control (RC) as the input device for the software, necessitating an...

Microcontroller Backup Thin Film Batteries

Cymbet Corporation provides rechargeable solid-state batteries designed for advanced microcontroller power backup applications. The company is recognized as a leader in thin-film energy storage technology. Cymbet Corporation's rechargeable solid-state batteries are engineered to deliver reliable power solutions for microcontrollers, which are...

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...