This repository contains code and documentation for projects that use the 8051 microcontroller in embedded systems. The 8051 is an old but versatile microcontroller that is still widely used in many ...

[Andrew] picked up a handful of these big STC 8051 chips for a song and dance. The problem he has with them is the clunky VB6 programming software that only wants to run on a Windows box. He buckled ...

Distance Measurement using HC-SR04 and 16x2 LCD with 8051 Microcontroller Overview This project demonstrates how to interface an HC-SR04 Ultrasonic Sensor and a 16x2 LCD with an 8051 microcontroller ...

Just like a PC’s USB port, the serial port on a PC can also in some cases serve as a power supply. A USB port can provide as much as 500 mA at 5V, but a serial port provides less power. Even with the ...