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Injecting a Hex Value


 

I've been working on this WA4MCM controller and have a few issues.? Hopefully someone can help me.? After installing a new USB port on the back of the unit and the PI actually seeing the unit, now I'm to the point of trying to get data out of it.?

I've got the flow basically written, but I'm having issues injecting a hex value into the device as it's not responding.

Device says it's connected, and I'm using "by-id" full path per Dave's video tutorial.?







Here is the info on the Hex values.



I'm injecting the following with no luck.

A string (A?)

image.png


A buffered Hex

image.png


String of hex values?

image.png

Tried converting the sting to hex and injecting.? Still nothing.??

const bufferText = Buffer.from('A?', 'utf8')
const text = bufferText.toString('hex')
msg.payload = text
return msg;



Any ideas on what I might be doing wrong???

73
Kyle
AA0Z




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