Setup and Usage Hardware Setup: Connect the 8051 microcontroller to the 8255 Peripheral Interface Adapter. Connect the 4x4 keypad and 7-segment display to the 8255 interface as per the circuit diagram ...

Learn how to troubleshoot microcontroller interface circuits effectively by avoiding six common mistakes that can cause problems or damage. Follow the best practices for power supply, connections ...

The 74LS244 buffer protects Port 2 of the 8051 microcontroller from the motor circuit and provides sufficient current to drive the output transistor. The dc motor is connected to a +5-V dc supply ...

The water level controller detects the water level in a tank to assist in automatically controlling the water motor. It does this by utilizing the 8051 microcontroller project. In this post, you will ...