Serial Sensor not recognizing data sent from Serial

[nanguoxuecheng]

Hi,

Is there anyone face the same issue as me for the serial sensor. I am using home assistant 0.91.3 running at Raspberry Pi 3B+ as homeassistant user.

I have arduino uno set up, and above to transmit json data to serial port.

From Pi, i can read serial port data by command: # picocom -b 9600 /dev/ttyUSB0

I tried configuration

sensor:

• platform: serial
  serial_port: ‘/dev/ttyUSB0’
  name: ‘USBserial’
  baudrate: 9600

also tried
sensor:

• platform: serial
  serial_port: ‘/dev/ttyUSB0’

both way, I can get the Serial Sensor entity, but it always showns as unknown, and is not reading data from serial.

Is there anybody have a similar issue, and how is it resolved?

Thanks,
Nanguo Xuecheng

[123 (Taras)]

Someone else had a similar problem and it was due to the received data missing a newline character (\n) at the end of each transmitted string. Check the arduino’s code to confirm the data is terminated by a newline.

Using serial sensor for reading JSON output from Arduino?

Hello, I’m trying to setup serial sensor based on HASS documentation: So… I wrote sketch on my arduino delivering json results (according to documentation on “sensor.serial”) local picocom returning following results: $ picocom -b 115200 /dev/ttyUSB0 ... {"channel_1":1,"temperature_1":15.6,"humidity_1":50,"battery_1":90} I setup serial sensor on… hass side: sensor: - platform: serial baudrate: 115200 serial_port: /dev/ttyUSB0 It looks like that hass launching serial sensor co…

[nanguoxuecheng]

Hi,

Thanks for response. But in my arduino code, the new line char is there. Otherwise, the picocom receiving data cannot be shown in lines.

[mishaVee (michael)]

@nanguoxuecheng Did you ever find a fix for this?