Channel

MQTT SubPub test

7 years ago

Answered
Guru Meditation exception during publishing values to thing speak
You should also be able to update the value of a ThingSpeak field using the REST API. The MQTT connection is intended to be ve...

7 years ago | 0

Channel

Water Control
sprinkler

8 years ago

Answered
matlab and thingspeak manipulate data before plotting
I would recommend setting up a new channel. Then you can set a react to call a MATLAB analysis to write the data to the new cha...

8 years ago | 0

| accepted

Channel

Battery Voltage
0.4871=12.84 12.82 -0.551 on 8-25-2109 11.57 on 11/282:30p 12-7-2019 11.58 V= 0.4064 13.65 V 0.545 0.343 is 10.4 V minimum c...

8 years ago

Channel

WorkTime

8 years ago

Channel

West Garage Air Quality Monitor (PA)

8 years ago

Channel

Soil Monitor Data Summary
Time aligned data

8 years ago

Channel

Daily Stock Data
Google Stock values compiled daily.

8 years ago

Channel

TimeNow

8 years ago

Solved

A Simple Tide Gauge with MATLAB
*&#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767* You are standing in a few inches of sea water on a beach. You a...

8 years ago

Solved

5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

8 years ago

Answered
I want to calculate the derivative of a channel. Can you suggest the best way to do so.
One way would be to use an instance of the React App to test if field 2 has a value in it, perhaps "if field2 < 0". Then have t...

8 years ago | 0

Channel

Air Quality BME680#2

9 years ago

Answered
Thingspeakwrite error when using string array
When you write string data to ThingSpeak, it generally wants to have a cell array. You should not usually need to do the Strin...

9 years ago | 0

| accepted

Channel

BatteryPredict24hours
Deep learning Time series prediction data

9 years ago

Solved

Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

9 years ago

Solved

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

9 years ago

Answered
No more plot although no errors
As of December 14, your channel has recent values in it. I think the NaN values between real values are making the plot scale u...

9 years ago | 0

| accepted

Channel

HomeTemp1

9 years ago

Channel

Driveway Data

9 years ago

Solved

Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

9 years ago

Solved

Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

9 years ago

Solved

How to subtract?
*&plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn* * Imagine you need to subtract one...

9 years ago

Channel

Twitter Data

9 years ago

Channel

TableCountSummary
Table Activity Counter

9 years ago

Channel

Weather Text
sachin rules

9 years ago

Channel

Office Temperature

9 years ago

Channel

Stock Value Data
Prices for Google Stock every 5 minutes during the times when the market is open

9 years ago

Channel

Soil Monitor
Plant in my office

9 years ago