💳 Your business card could soon power itself! 🔋 A new NFC-enabled PCB business card uses ambient energy to power an MCU, ditching batteries for a greener, smarter future. 💡 Why it matters for UK: This innovation points towards a future of more sustainable and integrated IoT devices, relevant for UK smart city initiatives. 💬 What other everyday objects could benefit from energy-harvesting technology? 🌐 www.aitechcodex.uk — daily AI & tech news