Nope no result.
What i do is this.
[{"id":"a4b09b4c.8f0318","type":"serial request","z":"9f605b7b.790358","name":"","serial":"cc764c90.f1d708","x":510,"y":160,"wires":[["b804cd5c.b5ac5"]]},{"id":"b804cd5c.b5ac5","type":"debug","z":"9f605b7b.790358","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":670,"y":160,"wires":[]},{"id":"4ecf9592.0a0b44","type":"inject","z":"9f605b7b.790358","name":"","topic":"","payload":"\\r*pow=off#\\r","payloadType":"str","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":250,"y":160,"wires":[["a4b09b4c.8f0318"]]},{"id":"cc764c90.f1d708","type":"serial-port","z":"","serialport":"/dev/ttyUSB0","serialbaud":"115200","databits":"8","parity":"none","stopbits":"1","waitfor":"","newline":"\\n","bin":"false","out":"char","addchar":"","responsetimeout":"10000"}]