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by heitjer
Mon Oct 28, 2019 1:25 am
Forum: Advanced users
Topic: read.unsigned_short - I am at a complete loss
Replies: 1
Views: 566

Re: read.unsigned_short - I am at a complete loss

weird gets weirder.... no change - expect tries a new program. https://www.raspberrypi-spy.co.uk/2016/07/using-bme280-i2c-temperature-pressure-sensor-in-python/ Now I get pi@raspberrypi:~ $ i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -...
by heitjer
Sun Oct 27, 2019 11:50 pm
Forum: Advanced users
Topic: read.unsigned_short - I am at a complete loss
Replies: 1
Views: 566

read.unsigned_short - I am at a complete loss

Guys, I need some help. I was working on my weather station build and had everything working and moved everything from bread board to the final build. My BME280 suddenly gave me this error message: Traceback (most recent call last): File "/home/pi/weather/WebSensor/test_bme280.py", line 9, in <modul...
by heitjer
Thu Oct 24, 2019 1:44 am
Forum: Advanced users
Topic: Multiple DS18B20 temperature sensors
Replies: 36
Views: 29119

Re: Multiple DS18B20 temperature sensors

@JohnsUPS - thanks for the fast reply. As a newb I am soaking in all the advice I can get and you are very detailed which I appreciate. The reason why I did not run this in a single wire config was that people all over the internet were talking about the problems they have with it of sensors droppin...
by heitjer
Thu Oct 24, 2019 1:07 am
Forum: Advanced users
Topic: Multiple DS18B20 temperature sensors
Replies: 36
Views: 29119

Re: Multiple DS18B20 temperature sensors

Can someone look through my code and see why my script stops. I think it is related to the above - possible dropping of a sensor for a period of time. Can someone suggest how I can code it that it ignores the error for a time, possible repeats the old measure (or an error number like 99.99) and send...
by heitjer
Wed Oct 23, 2019 11:40 am
Forum: Advanced users
Topic: Multiple DS18B20 temperature sensors
Replies: 36
Views: 29119

Re: Multiple DS18B20 temperature sensors

I guess I have to look into the 'cheap' sensors. I bought of Amamzon ( HiLetgo 5pcs DS18B20 Temperature Sensor Temperature Probe Stainless Steel Package Waterproof ). 5 pieces for $10.99. Unfortunately the cost is in the "deployment system" as I have them glued in watertight into PVC pipe. Can someo...
by heitjer
Wed Oct 23, 2019 3:27 am
Forum: Advanced users
Topic: Multiple DS18B20 temperature sensors
Replies: 36
Views: 29119

Re: Multiple DS18B20 temperature sensors

Guys - a problem! I had everything working on my desk with breadboards (Wind vane, direction, rain meter, BME280 and three DS18B20 sensors). Then I moved all to my workshop to start building everything. I must have shortened the BME280 and had to order a new one. That works again but now my three te...
by heitjer
Sat Jul 27, 2019 6:08 pm
Forum: Advanced users
Topic: Multiple DS18B20 temperature sensors
Replies: 36
Views: 29119

Re: Multiple DS18B20 temperature sensors

I am new to the PI experience and I am currently building the weather station. https://projects.raspberrypi.org/en/projects/build-your-own-weather-station/3 So far so good. All works well. I reached the stage where they recommend to use additional sensors. I need to add multiple temperature sensors ...

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