Build a DIY UPI Soundbox with the ESP32 Microcontroller
· geeky-gadgets.com · popularity 21/100 · 0 similar stories today · Reference & How-To (Discovery & Research)
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Summary
Building a UPI soundbox that receives real payments is an intriguing project that blends hardware and software to create a practical device. In this overview, techiesms demonstrates how to use an ESP32 microcontroller to construct a compact soundbox capable of announcing payments audibly and displaying transaction details in real time. The project bypasses traditional banking […] The post Build a DIY UPI Soundbox with the ESP32 Microcontroller appeared first on Geeky Gadgets .
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