ODROID-C1 Review
Closer Look
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The ODROID-C1 is a great looking board, and you have to love the 40 pin GPIO connector.
The differences are confined to pins 37 & 40, which are ADC inputs on the ODROID, and pin 38 is a 1.8V voltage reference output – whereas those three pins are GPIO’s on the Raspberry Pi Model B+
In my opinion, the minor incompatibility is more than compensated for by the provision of two channels of 10 bit analog input!
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Here we can see the gigabit Ethernet connector, and four USB 2.0 host ports.
The Odroid-C1 initially had some issues with certain gigabit switches, but those were resolved in just a couple of weeks.
I must admit, I really like having gigabit Ethernet on the C1.
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Note the thin DC jack on the left. Frankly, I wish the barrel was a bit bigger, but at least Hardkernel sells fairly inexpensive USB-barrel connector cables, as well as red&black wire to barrel connector cables. I bought some of both.
Towards the middle we have the USB OTG jack, which is on an independent USB channel than the one the four host ports share using a small on-board hub.
Next, we have the micro-HDMI jack, which is my least favourite part of the board. I prefer the full-size HDMI connectors. Some people have also had issues due to the hdmi jack not being directly grounded, fortunately it is easy enough to ground to one of the USB jacks.
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From left to right we have the IR receiver, RTC battery connector, and console 3.3V level serial port connector.
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Above you can see the micro SD connector towards the middle of the board, and the eMMC connector below it to the left.
I wish the uSD connector was close to the edge of the board, with a push-push connector.
The UHS-1 support makes for a nice speedup over standard SD interfaces.
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Here you see one of the ODROID-C1’s with the eMMC module installed.
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