dhruba sunuwarhello!! i am working on a project which is a password protected door lock system. it uses, atmega32 microcontroller, a motor controlled by L293D motor driver, a keypad and...

sharfudeenA very interesting topic. Both <a href="https://en.wikipedia.org/wiki/Hydrogen_safety" target="_blank" rel="nofollow noopener noreferrer">Hydrogen Safety</a> and <a href="https://scienceline.ucsb.edu/getkey.php?key=954" target="_blank" rel="nofollow noopener noreferrer">UCSB Science Line</a> having the ability to burn. So IMO, you've to...