November 12, 2025
November 11, 2025
Interfacing 4×4 Matrix Keypad with 8051 (AT89C52)
Learn step-by-step how to interface a 4x4 matrix keypad with the AT89C52 microcontroller. Includes scanning logic, circuit connections, and Proteus simulation.
November 11, 2025
Interfacing Temperature Sensor LM35 with 8051 (AT89C52)
Learn step-by-step how to interface an LM35 temperature sensor with the AT89C52 microcontroller using ADC0804. Includes code, circuit diagram, and Proteus simulation.
November 11, 2025