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Results tagged with Search options user 35593

is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus. Traditionally "serial" relates to a three (or more with hardware handshaking) wire system (TIA-232-F), now using ∓25V Voltages. Technically speaking the specialized SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit) buses are serial communication systems as well - use one of those tags if they would be more appropriate!

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For me, the blank screen was a matter of timing. I had the USB power connected to the GPIO 5v, so connecting the serial interface to a USB powered hub (connected to an iMac), immediately booted the … moment, the Pi was hung — but the USB serial setup was working. I discovered this by first opening a screen session on the iMac, then plugging in the Pi, either through an external power supply, or by …
answered Oct 10 '15 by Stuart Hertzog