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  • pedrobaco commented on pedrobaco's instructable Weather station based on Raspberry Pi10 months ago
    Weather station based on Raspberry Pi

    I believe the 5m is a limit of the wundergound website itself, since the program is set up to do all readings, send them to wundergound and them wait 60s (the last instruction on the program time.sleep(60). I gave up using that system, and i'm using a cron job on the pi which runs the program each 5 minutes(you can setup whatever time frame you want), and that does the job. The reason for this approach change was because sometimes my pi would "hang" because of some error on the I2C bus, or the program itself would hang. So using the cron job would only run the program as needed instead of keeping the program running 24/24. Seems the logical way to go. About the I2C bus, because pythonsmbus doesn't have any testing function as far as i know, if one of the sensors fails to conne...see more »I believe the 5m is a limit of the wundergound website itself, since the program is set up to do all readings, send them to wundergound and them wait 60s (the last instruction on the program time.sleep(60). I gave up using that system, and i'm using a cron job on the pi which runs the program each 5 minutes(you can setup whatever time frame you want), and that does the job. The reason for this approach change was because sometimes my pi would "hang" because of some error on the I2C bus, or the program itself would hang. So using the cron job would only run the program as needed instead of keeping the program running 24/24. Seems the logical way to go. About the I2C bus, because pythonsmbus doesn't have any testing function as far as i know, if one of the sensors fails to connect, the program will crash, so i created test functions for each sensor, and that problem is also solved. I'll put here my latest version of the prog later on. Thanks for your interest.

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  • pedrobaco commented on pedrobaco's instructable Weather station based on Raspberry Pi11 months ago
    Weather station based on Raspberry Pi

    None whatsoever, and it's been out for more than a year now. You can see some oxidization on the pads but that's it. I though of using silicone to waterproof the boards, but since this is not an issue so far, i didnt't use it.

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  • pedrobaco commented on pedrobaco's instructable Weather station based on Raspberry Pi11 months ago
    Weather station based on Raspberry Pi

    No, the sensor is OK, but the ring sleeve I use was not working properly, so I had to order a new one. Since they come from China very cheap, I ordered 2 more that never arrived... Bad luck though... I've already ordered from another seller and hope to get that working in a few weeks. I'll try to putvthe wind speed soon.

    Its a SI1145 that I'm using.

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