1001 Freelance Projects -- ESP32 Timer via QR Payments (debe residir en buenos aires , argentina)

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Project title:	ESP32 Timer via QR Payments (debe residir en buenos aires , argentina)
Posted by:	External project from Freelancer
Started:	20-Oct-2025 21:59 GMT
Description:	Tengo un cronómetro físico con su propio botón de inicio / fin y quiero que se active sólo después de que el usuario pague mediante un QR de Mercado Pago. El reto consiste en programar un ESP32 que: •... (Budget: $30 - $250 USD, Jobs: Android, API Integration, Bluetooth, Electrical Engineering, Embedded Systems, Mobile App Development, PHP, Software Architecture)
Project ID:	3454641
Project category:	Android, API Integration, Bluetooth, Electrical Engineering, Embedded Systems, Mobile App Development, PHP, Software Architecture
Project budget:	$30 - $250 USD
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