Patent-2021 Light sensitive thermometer (LT21A) March 24, 2025 Posted by RDing 0 comments Continue reading
Patent-2021 Converter (for connection to cell phone USB port delat21) March 24, 2025 Posted by RDing 1 comment Continue reading
Patent-2021 A new structure of light-sensitive temperature and humidity display March 24, 2025 Posted by RDing 0 comments Continue reading
Patent-2021 A cell phone USB-based input device March 24, 2025 Posted by RDing 0 comments Continue reading
