2018-10-30: added standalone version without fischertechnik connectors; changed name accordingly
A simple enclosure for this kind of 16x2 hd44780 display (others may fit or not) with I2C interface attached at the backside with connectors for the fischertechnik construction toy system.
To be able to change the I2C address without opening the enclosure, you can optionally add a 4xDIP switch (see images for exact placement). As only 3 switches are needed for the address, you could even use the fourth for a back light switch, I chose mine to be always on, so I just removed the jumper and bridged the two male pins on the I2C board.
I use it with the LiquidCrystal library for Arduinos.
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Find my other fischertechnik designs here.