skot / antsniffer

This device is used to tap into the signals on an Antminer data cable for logic analyzers and other development purposes

AntSniffer

This device is used to tap into the signals on an Antminer data cable for logic analyzers and other development purposes. The base design is a 4 layer PCB, with 2 SMD connectors that are compatible with Antminer 18 pin data cables. These cables are used for plugging in the hashboard to the control board. Also featured is an LED used to indicate that the connection is good and you are getting the required 3.3 volts from the control board. All data connections are broken out into a pin header with labels for their functions.

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antsniffer's Issues

AntEater: FT4232 I2C lines are not open collector

FTDI devices such as FT2232H, FT4232H and FT4232HA do not support open collector mode, and source current to SCL and SDA lines.

https://eblot.github.io/pyftdi/api/i2c.html#caveats

Anteater: needs mounting holes

mostly for holding in the stencil printer

AntEater: HB 3V3 and FT4232 3V3 need to be separate.

Anteater: C4 & C6 need polarity marking

They are 1206 Tantalum caps