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Author Topic: Buspirate  (Read 1485 times)
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vit2
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« on: February 19, 2013, 09:59:51 21:59 »

Hi,
Recently, I realized this handy tool. It works great, and this forum is not even mentioned. It would be a shame not to mention in this helpful diagram. I built version 3.1b
Feature list:
Support for many serial protocols with line levels of 0 - 5.5 volts:

        1-Wire
        IC
        SPI
        JTAG
        Asynchronous serial
        MIDI
        PC keyboard
        HD44780 LCD
        2- and 3-wire libraries with bitwise pin control
        Scriptable binary bitbang, 1-Wire, I2C, SPI, and UART modes

Other capabilities:

        0 - 6 volt measurement probe
        1 Hz - 40 MHz frequency measurement
        1 kHz - 4 MHz pulse-width modulator, frequency generator
        On-board multi-voltage pull-up resistors
        On-board 3.3 volt and 5 volt power supplies with software reset
        Macros for common operations
        Bus traffic sniffers (SPI, IC)
        A bootloader for easy firmware updates
        Transparent USB -> serial mode
        10 Hz - 1 MHz SUMP compatible low-speed logic analyzer
        AVR STK500 v2 programmer clone
        Supported in AVRDude programmer
        Scriptable from Perl, Python, etc.

http://dangerousprototypes.com/docs/Bus_Pirate

Enjoy it... Vit2
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metal
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« Reply #1 on: February 19, 2013, 11:25:44 23:25 »

You bought their PCB or just made yours?
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vit2
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« Reply #2 on: February 20, 2013, 08:27:10 08:27 »

I modified the plate to fit into a plastic box from the SD card.
PCB was done at a friend's for a very reasonable price.

http://imageshack.us/g/341/p1010146gk.jpg/

Vit2
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dcsmrgun
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« Reply #3 on: February 21, 2013, 11:46:50 11:46 »

DP makes a lot of great tools. I have their $50 logic analyser and it works a treat. Plus they do free PCB giveaways a few times every week. A great company Smiley
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sarah90
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« Reply #4 on: February 21, 2013, 08:41:53 20:41 »

That's a very nice form factor you created. You may want to checkout the V4 as well. It does not have the ftdi chip and uses a more powerful pic that handles the usb as well as the bus pirate functions.

I was a bit disappointed that the bus pirate does not support clock stretching in i2c mode. I have lost a bit of time on that as the i2c comm showed up faulty, while the bus pirate was just running too fast for the peripheral.
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