If you’ve got an Arduino ... tweaks made to the circuit. While [mircemk] says the code could be modified for stereo as long as the two displays don’t have conflicting I2C addresses, he ...

It uses an Enigma emulator running on an Arduino, similar to one that he stuffed ... a bit to fit the contours of the case. A small OLED screen peeks through the front bezel, which is done up ...

To link a standard 16×2 LCD directly with the microcontroller, for instance Arduino, you would need atleast ... 8 bit I/O port expander that uses the I2C protocol. The PCF8574 is a silicon CMOS ...

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