These modules, sold in pairs, communicate serially without extra wires or cables. With a DB-9 serial port on one side and a 110/220V power cable slot on the other, they transmit and receive high-frequency signals over power lines using high-pass filters, all with low h.f. output to keep from interfering with electric power on the network. They can transmit data to 500 m at up to 230 kbps, with 56-bit DES data encryption for RS232 signals. The modules are based on a 32-bit RISC processor with 8 MB SDRAM and 4 MB flash memory. They work on 110V or 220V supplies, have built-in surge protectors, and are DTE/DCE selectable.
A simple new chemical method for repairing and recycling notoriously difficult carbon fiber composites has been developed by the Fraunhofer Institute for Applied Polymer Research. An entire component can be completely recycled, including reclaiming its expensive carbon fibers for reuse.
In today’s connected world we are seeing the beginning of connected homes, smart grids, self-driving automobiles, drones, and many other amazing devices. Out of all the soon-to-be connected devices, which device poses the greatest dangerous to its users and society?
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