Embedded World 2024, Nuremberg: Chip manufacturer STMicroelectronics (STMicro) is working with ambient IoT startup Dracula Technologies to use its energy-harvesting organic photovoltaic (OPV) technology in its new STM32U0 line of microcontrollers (MCUs). The two French firms are showing Dracula’s LAYER OPV product on the STM32U0 MCU at Embedded World this week. Dracula has joined STMicro’s ‘partner program’ to formalise the partnership.