Experience with ATS-1 Terminal Shield?

Using Arduino Displays
1

I came across the ATS-1 while helping in this thread.

It connects via Uno pins 0 and 1 (or can be jumpered for soft serial). Comms in either direction is via Serial.print(), including sounding its own buzzer and turning its led on and off.

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I've never seen this one before; wondered if anybody had found some real use for it?

DFR's shield with the buttons on an analog pin, and adafruit's later I2C ones seem way simpler but I suppose it may have some niche uses?

2

Well as it's based on a PIC chip, that probably does not have a native I2C slave functionality, so they used the serial.

One thing about it - it looks easy to fix the potentiometer blunder and cut the connection of it to +5 V.