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License: Other
Python Driver for the BME280 Temperature/Pressure/Humidity Sensor from Bosch
License: Other
On Raspbian (Jessie), the read_bme binary is not known by the plugin:
$ sudo munin-run bme280_temperature
/etc/munin/plugins/bme280_humidity: 21: /etc/munin/plugins/bme280_humidity: read_bme280: not found
Looking at the read_bme280 script, the minimal script to read a sensor data from Python is:
from bme280 import bme280, bme280_i2c
bme280_i2c.set_default_i2c_address(0x76)
bme280_i2c.set_default_bus(1)
bme280.setup()
data = bme280.read_all()
Instead I would expect the following minimal script, which would make it honor Python unspoken standards (cf. import statistics
):
import bme280
bme280.setup() # or bme280.setup(0x76, 1)
data = bme280.read_all()
This avoids exposing the i2c class, so that once a SPI class becomes available as a backend, it'll be easier to switch.
Hi
I use bme280 0.3 package. As "i2cdetect -y 1" command returns, my BME280 has address 0x77 and "read_bme280 -- help" command works well. But when I test "read_bme280 --i2c-address 0x77" command, following error appears:
Traceback (most recent call last):
File "/usr/local/bin/read_bme280", line 9, in
load_entry_point('bme280==0.3', 'console_scripts', 'read_bme280')()
File "/usr/local/lib/python3.4/dist-package/bme280/bme280.py", line 210, in main
bme280_i2c.set_default_bus(int(args.i2c_bus))
File "/usr/local/lib/python3.4/dist-package/bme280/bme280.py", line 22, in set_default_bus
default_bus = smbus.SMBus(bus_number)
AttributeError: 'NoneType' object has no attribute 'SMBus'
Can anybody help me?
Dear Sir
Tried to follow your installation description pip install bme280 and it didnt work, it didnt find the read_bme280 file, than I have found out that it did install it in some place pi/.local.
the fix for it was to use sudo pip install or run the pip install as root.
I recommend that you add this info for installation process to run as root or use sudo.
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