Jawed Iqbal Posted August 1, 2023 Report Share Posted August 1, 2023 Hi Friends, Works on Arduino & similar development boards, quite interesting and enjoyed. Want to design & develop a Digital Sound or Digital Audio Announcer system with predefined Time triggered Announcements as in school or similar places. After some search for the ready made product with similar features, found this product, as attached details. The listed features in the attached product details are quite fascinating, but I want to make it low cost and with less features; Do anyone here on this FORUM works on the same or similar DIY project based on ARDUINO boards? Or any other MCU for the same project. I will appreciate if someone can share his/her experience in the same design. Regards to ALL. HMT_QCM-6200H_DM_EN.pdf HMT_Automatic Digital Voice Announcement System.pdf Quote Link to comment Share on other sites More sharing options...
bidrohini Posted August 28, 2023 Report Share Posted August 28, 2023 I think for this type of smart projects, you must choose STM microcontrollers. With Arduino, the nearest thing I could find is this one: If you just want to make simple Arduino-based school bell, you can follow this design: https://www.pcbway.com/project/shareproject/Arduino_School_Bell_Simple_DIY_058abe6e.html Quote Link to comment Share on other sites More sharing options...
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