Drawing inspiration from another project that fit a simple deadbolt upgrade, [Leonard] took the build one step further and hacked together his own keyless entry deadbolt system. He started by ...

Keyless entry for enhanced security ... Backset- Universal latches and deadbolts fit 2-3/8 inch (60 millimeter) or 2-3/4 inch (70 millimeter) backset Codes easily added or deleted right at ...