Random password keyboard circuit

Posted on Dec 11, 2010

Design, the front panel buttons to set the 10 number keys and the keys 0-9, move the key, down health, Enter, i recover key, door key j count 16 keys. Ding also features in the

Random password keyboard circuit
Click here to download the full size of the above Circuit.

interior door key, in addition, the design of a mold swaddling clothes button. When the card reader shirk success. Round drive relay station is closed, so that Kl, K2 connection, 10ms after closing relay station, Kl, K2 off, thus simulating access key action,

Leave Comment

characters left:

New Circuits



Popular Circuits

Solar Powered Reading Lamp
LED Flashing circuits
Microvolt probe
Water-Level Control
Compact 3-in-1 Stripboard DIYduino with Integrated Sensor and L298N Motor Shield
Sound-Activated Lamp (Relay/Switch)
Simple 6V charger battery circuit Schematic Diagram
IR Remote Control Extender circuit diagrams
audio visual indicator for telephone circuit diagram