As the world grows to be digitally dependent, even doors can now be designed to be secure and safe. The digital version of the lock and key holds a lot of promising features. The digital door lock is securely placed with passwords. However, this may also attract unethical hackers, therefore, an extra layer of security […]
Humidity sensor using 8051 Â (Hygrometer) This project is about a simple humidity sensor based on 8051 microcontroller. Humidity sensor is also called hygrometer. This circuit can sense relative humidity (RH) Â from 20% to 95% at an accuracy of 5%. The humidity information is displayed on a 16×2 LCD display. A relay is also provided which
RFID Door Access Control System using 8051 In this project, we are going to build an RFID Based Access Control System using 8051 Micro Controller. The same system can be named like RFID based door lock or RFID based access management system. If you have been to big hospitals or companies, you might have seen
