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Miniature Mantra Audio Circuit

Budget
₹12500 - ₹37500 INR
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Freelancer

Arduino, Audio Engineering, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Firmware Development, Microcontroller

I need a working bench-top prototype of a circular audio board no larger than 22 mm in diameter and 4.5 mm thick. When the 3.7 V rechargeable coin cell (LIR1240 or LIR1254) is installed and the micro tactile...
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