uart interfacing with 8051 primer

A software delay routine in the 8051 microcontroller is utilized to generate various time delays. This project features a sine wave generator circuit that employs a software delay within the 8051 architecture. The AT89C51 microcontroller serves as the core...

An LCD (Liquid Crystal Display) is a widely used electronic display found in devices such as calculators, laptops, tablets, and mobile phones. The 16G-2 character LCD module is a fundamental component frequently utilized by electronics enthusiasts and integrated into...

This tutorial on the PIC16F877 microcontroller addresses the question, "How to interface an LCD in 4-bit mode with the PIC16F877?" It also utilizes the PIC16 simulator (Proteus). The PIC16F877 microcontroller is a versatile device widely used in embedded systems. This...

A switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another. A switch may be directly manipulated by a human as a control signal to a system...

The circuit utilizes RS232 for interfacing with a PC. It is a straightforward design that functions effectively with a computer. Power can be supplied either from a USB port or an external 5V source. The crystal oscillator used in...

Heart rate monitor using an 8051 microcontroller. It measures the heart rate from the fingertip using an IR diode and phototransistor pair (Photoplethysmography). The AT89S51 microcontroller is utilized in this application. The heart rate monitor circuit operates based on the...