USB 8051 (89 series) & AVR Microcontroller Programmer circuit

This is a straightforward X-Y oscilloscope design utilizing an ATmega324P microcontroller and two KAD0820 analog-to-digital converters (similar to National Semiconductor's ADC0820). The initial version of this oscilloscope was based on an AT90S4414, necessitating the use of external ADCs. Various rose...

USB Operated Home Appliances

When powering a computer on and off, various peripherals, including printers, screens, scanners, and others, often need to be activated or deactivated simultaneously. By implementing a system that manages these peripherals... In modern computing environments, managing the power states of peripherals...

The interface circuit of dot matrix LCD display

The MCS-51 series single-chip interface circuit 8051 is utilized to control the SED1335 35 dot matrix LCD display. This controller can manage up to a 640x256 dot matrix LCD display for both graphics and character representation, with the capability to...

An automatic flash indicating circuit

The DW L11 capacitor steps down voltage into the Jenru half crossing according to Yin electrical specifications. After receiving power at the bin CI SH output terminal, it regulates the voltage to liVI/r j, ensuring a right cut in blood...

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...

8051projects

This project demonstrates the use of the 8051 microcontroller to generate PWM outputs for two separate channels. The PWM signals can control the phase angle of SCRs or TRIACs for power regulation of AC loads such as heaters, motors, or...

8 channel 6 function light chaser using 8051

A six-function, eight-channel light chaser utilizing the 8051 microcontroller. The AT89S51, a member of the 8051 family, is employed to produce six distinct lighting sequences. The design incorporates straightforward software and hardware components. The circuit design features the AT89S51 microcontroller at...

Playing Music With 8051 Microcontroller : ECE Mini Project

The 8051 microcontroller can play music tones. Here is a sample circuit and code that will play the music for "wishes you to be..." The 8051 microcontroller is a versatile and widely used microcontroller in embedded systems, capable of performing various...

The simplest digital LCD voltmeter with AVR

This is likely the simplest digital voltmeter utilizing an Atmel AVR microcontroller and an LCD display. The circuit is managed by a microprocessor IO1 - AVR Atmel ATmega16A, ATmega16L, ATmega16, ATmega32A, or ATmega32. A program is available for free download...