READ THE CHANGELOG BEFORE UPDATING!
How to use the 'node_helper', 'serialport'
but there was an error… im really sad
@nhpunch that is in the node_helper, serial library
looks like serialport.write(data: string|Buffer|Array,
i don’t know anything about serial port api… looks like promise based, so would need callbacks or .then()
omg… I’m so screwed up
My ignorantness makes me cry…'ㅠ I don’t know why there was a mistake
Thank you @sdetweil You’re awesome!