I’ve bought a Seeeduino 1.1 and I really like it. Here is 3 crazy ideas for the next version.
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Add a 3.3V regulator, so that you can use more energy hungry projects with 3.3 V than the 50mA, the ft232 is capable of supplying.
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Add a boost regulator, so that you can run the board on two or maybe even one AA battery.
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If there is enough space left on the PCB, you could add a Xbee socket, so you can program it wirelees like Funnel I/O, but without removing the ft232.