Enable remote access control for doors, gates, and parking. Invite guests and manage permissions. Track entry and exit activity. Share access without exposing personal information. Control access for residential complexes and business premises.
Control lighting devices via Bluetooth Low Energy. Manage multiple devices and organize them into rooms. Adjust brightness, color, and effects. Create custom lighting scenes and schedules. Group devices for synchronized control.
Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.