Prototype Wearable Contactless Payment Device

Budget: $30 - $250 / ⭐ (0)

API Development, Electrical Engineering, Electronics, Embedded Systems, Firmware Development, Microcontroller, Payment Processing, PCB Layout

I need a working proof-of-concept: a compact wearable that accepts payments from my proprietary contactless card and houses a SIM-enabled module to forward each transaction. The balance must live on the... (Budget: $30 - $250 USD, Jobs: API Development, Electrical Engineering, Electronics, Embedded Systems, Firmware Development, Microcontroller, Payment Processing, PCB Layout)

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