Hardkernel ODROID XU4 Shifter Shield Review
(click on image for larger version – image from Hardkernel.com)
Features
- 40 pin ODROID-C1 compatible 2.54mm/0.1″ pitch 2×20 header
36 pins are compatible with Raspberry Pi 2/A+/B+ - 6 pin I2C header
- three TSX0108E eight i/o bi-directional level shifters
- slide switch to select 3v3 or 5V GPIO operation
- clear silk screened GPIO “cheat sheet” labels
- small “sea of holes” prototyping area
- mounting hardware
A Closer Look
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Nice clean board layout – note the surface mount level shifters towards the top.
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The bottom of the circuit board is also nice and clean – note the 2mm pitch stacking headers.
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Above you can see how the 30 pin 2mm connector connects the XU4 and the Shifter Shield.
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Above you see the 12 pin additional I/O connector with a stacking header connecting it to the Shifter Shield.
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The spacers had to be fairly tall in order to leave clearance for the fan on the heat sink.
