This TDCS-TENS device and Ergonomic cap were designed to address challenges in existing products. Many devices on the market are bulky, complex, and only suitable for clinical use. Additionally, sponge or elastic pads used in some devices provide minimal comfort and can create an unpleasant experience when in contact with saline solutions. Other challenges included electrode placement accuracy, ease of assembly and maintenance, and a design suitable for home use. Our goal was to provide a solution that offers precision, comfort, and reliability for both home and clinical use.