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Notes on the SMBus

The System Management Bus (SMBus) was defined by Intel® Corporation in 1995. It was originally used in personal computers and servers for low-speed system management communications. It is more or less...

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RS-485 and Arduino

As seen in the above illustration from National Instruments, RS-485 ports are identical in appearance to RS-232 but with different pin assignments. You will not find them on contemporary home computer...

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Chronos hacking update

JP Norair has been hacking away with the TI 433 MHz Chronos. My project is OpenTag, which is a 433 MHz centric IoT/M2M stack. It’s 433-centric because it implements DASH7 and because it makes design...

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