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FLEXEL-1 Multifunction chip

I've found this multifunction chip on ebay, the official webpage is http://www.web4robot.com/I've just bought a pair, I'll come back to post with my tests.  Each FLEXEL chip includes 6 preprogrammed...

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Basic I2C HD44780 LCD/Keypad Backpack

 Practical Maker's I2C HD44780 LCD/Keypad Backpack is a basic, inexpensive little LCD backpack that is unique in that it combines a standard 4x3 keypad input with a standard  HD44780 LCD.  It has all...

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