The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. We can use it to lock the doors and for other security purposes. This article ...

LS7220 is a digital code lock system from LSI Computer System and its dificult to find in many places. LS7220 is a digital code lock system from LSI Computer System and its dificult to find in many ...

Independently implement a project of the design of Verilog digital code lock based on DE2-115, with programmed, simulated, and viewed waveforms through Modelsim and Quartus. Score: EXCELLENT. I'm busy ...

Leading global provider of security and safety solutions Ingersoll Rand has extended its range of panic exit hardware accessories with the introduction of the Briton 9260 Outside Access Device (OAD) ...