he project is an electronic circuit for regulating negative voltage (Negative Voltage Regulators). This is a complete PCB project for stabilizing negative voltage, which includes a professional design of a printed circuit board (PCB) with all the files necessary for manufacturing and assembly. The circuit is designed to provide a stable and reliable negative voltage to electronic components, while protecting the system from voltage fluctuations. Suitable for use in analog systems, symmetrical power supplies, DIY projects and studying electronics.

This is a complete PCB project for stabilizing positive voltage, which includes a professional design of a printed circuit board (PCB) with all the files necessary for manufacturing and assembly. The circuit is designed to provide stable and reliable voltage to electronic components, while protecting the system from voltage fluctuations. Suitable for use in DIY projects, power systems, and studying electronics.

The project is an electronic board for operating an LED array. This is a complete PCB project for managing an LED array, including a professional printed circuit board design with all the files required for manufacturing, assembly, and documentation. The circuit allows for arranging and operating multiple LEDs, and is suitable for use in display systems, smart lighting, educational, and DIY projects.

This is a complete PCB project for battery charging, a professional PCB design mod with all the files needed for manufacturing and assembly. The circuit is designed to charge batteries efficiently and reliably, and is suitable for use in portable systems, DIY projects, and learning electronics.