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Monthly Archives: May 2014
Papilio One: 4 bit binary counter
FPGA implementation of a 4 bit binary counter. Hardware was described using VHDL. The Papilio One comes with a 32 MHz clock but this was divided down to 0.5Hz so you could actually see the counter counting. VHDL code: The … Continue reading
Papilio One : Flashing an LED at a specific frequency
To flash an LED at a specific frequency we need to divide the input clock frequency. In VHDL this can be done using counters. The Papilio One FPGA board comes with a 32MHz oscillator. 32Mhz means 32 million pulses per … Continue reading
Calling a C program from a Python script
This process is made simple with Python’s subprocess module.
Cheap and nasty ‘powered’ usb cable
I was trying to connect a wifi adapter to a raspberry pi today but the pi’s usb ports could not supply enough current to the device. A powered USB hub would be the ideal solution to this problem but I … Continue reading
Posted in Hardware, Uncategorized
Tagged cheap, hack, powered, raspberry pi, usb, workaround
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I absolutely love this! Thank you for making this video and sharing your file. I will be making projects with…