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Jerry on ESP8266 sends a constant to Thinkspeak but there are many outliers,...

Here you will find the whole file:       https://www.dropbox.com/s/betiilykyrnhho1/MainProduct_317961.ino?dl=0 thaks Jerry

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viiartz on Work out sunrise and sunset for data collected from light sensor

Hi All, I have a curly question, maybe!  I have a light sensor (LDR) monitoring the day light and I've worked out that between the values 50 and 60 is when it's either getting dark or getting light,...

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rw950431 on Work out sunrise and sunset for data collected from light sensor

I would just get the official times from somewhere like https://sunrise-sunset.org/api  using the webread() function rather than attempt to guess them from ambient light data..   But it is possible to...

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lane5625 on Any way to place a line on the chart for warning levels on...

I am displaying radiation levels in uSV/H and Counts Per Minute.  Is there a way to place colored lines on my chart for the warning levels?  The warning levels for uSV/H (microSieverts per hour) are...

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piajola on Work out sunrise and sunset for data collected from light sensor

Hi viiartz, As rw950431 says look at the internet of people for a second and get the canonical hours Mr Sun visit us  I saw your channel (I think) where lux is overloading half-day. See the code below,...

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rw950431 on Work out sunrise and sunset for data collected from light sensor

Awesome work @piajola..   Do you happen to know if parameters like  'start' and 'end' can be added to the thingSpeakRead() function- there is a vague reference to 'other parameters' in the docco but no...

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irasch on Using ThingHTTP with Tropo

My app has been working fine since November 2016. Then on August 16, it stopped working. It doesn't appear that the request is going through to Tropo. Nothing at all changed - any idea what might have...

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piajola on Work out sunrise and sunset for data collected from light sensor

Hi rw950431, To my knowledge using thingspeakread the way is 'Daterange' with 2 dates/time as parameters In a string to be used for retrieval of records you use 'start''end', i.e....

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irasch on Can no longer get to Tropo using ThingHTTP

I have an arduino app that's been working since November 2016. Nothing changed. As of a few weeks ago, calls via ThingHTTP are no longer going to Tropo. My setup is: Name: TropoSendSMS API Key:...

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zoey7 on How to do JSON parsing to get api_keys

I use this tool to check JSON format: JSON Formatter

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zoey7 on Finer grained retrieval of most recent data than integer "days"

Thank you, piajola. It does help me a lot! This is also useful: javascript obfuscator

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brodys on Only one, otherwise functional, NodeMCU won't talk to ThingSpeak

Same issue here. Thank you for your suggestions!

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wjpavalko on Arduino Zero with WiFi101 Shield Only Sends Two Updates

I have an Arduino Zero with WiFi 101 Shield.  Connected to WiFi and successfully sent data to my channel.  Problem is it only sends two updates, then stops updating. If I reset the Zero, it will send...

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Pavlo on How to properly use relative timestamps via delta_t in REST API?

ok, so it looks like I'll have to submit data "upfront" as I have not found the way to do otherwise. So instead of submitting data fort "past". I will send "last 5 minutes" data as is, and ThingSpeak...

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cstapels on How to properly use relative timestamps via delta_t in REST API?

I think the intention of the timestamp field is to record the submission time. Using bulk update and relative timestamps will be difficult to get the behavior you hope for. Is your goal to show the...

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viiartz on Work out sunrise and sunset for data collected from light sensor

piajola said Hi viiartz, As rw950431 says look at the internet of people for a second and get the canonical hours Mr Sun visit us  I saw your channel (I think) where lux is overloading half-day. See...

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cstapels on Arduino Zero with WiFi101 Shield Only Sends Two Updates

Can you connect the serial monitor and see what responses are being returned by ThingSpeak when you send the data?

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wjpavalko on Arduino Zero with WiFi101 Shield Only Sends Two Updates

I'm an admitted amateur at this, but can you advise how to print out communications between the Arduino and Thingspeak?  The example WriteVoltage code has no Serial connection. I assume I need to do...

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rayellam on MATLAB visualization dynamic update

Hi, Thanks for the reply but it seems that time and react controls will only work with MATLAB Analysis and NOT with visualization. If im correct then this seems like a major draw back? Can anyone...

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rayellam on Calculating averages per weekday

Neat Rob, just what im looking for as a starting point for my application (i think)   Thanks Ray

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