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Cale
DrAzzy:

Unit is powered by it's own power plug in. rs232 pins 2,3,5 and connected to espruino. (rx,tx,gnd). I have tried switching the rx and tx and then nothing will produce.
```
="ææææf&æÌfææ¦Ö\x00"
=new Uint8Array([230, 230, 230, 230, 102, 38, 230, 204, 153, 102, 230, 230, 166, 214, 0])
```
And I don't have an Ocilloscope but have a good excuse to get one now.

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