My 2nd DTH - Particle WiFi Sump Pump water level monitor

jdetmold · March 18, 2016, 3:15am

ok, this is my second DTH for ST and i’m still not a programmer. the code is still bad but it works!

I used a Freescale MPXV5010DP differential pressure sensor and a Particle Core.
Again I would like to figure out how to get the particle cloud to “push” data to ST but so far I cant even figure out how to create (or at least find the url) of a rest endpoint in a ST DTH for now it only updates by manually hitting refresh.
If i can figure out how to get data to “push” to ST it would of course be much more useful!

I used some tubing and a coper tube for the sensor. the plan is to set a “mount height” in the DTH settings for how high above the bottom of the tank i mount the tube in the sump basin.

ST DTH:

github.com

jdetmold/JeffSmartThingsPersonal/blob/master/devicetypes/jdetmold/sump-monitor.src/sump-monitor.groovy

/**
 *  sump-monitor
 *
 *  Copyright 2016 Jeff Detmold
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License. You may obtain a copy of the License at:
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
 *  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
 *  for the specific language governing permissions and limitations under the License.
 *
 */
 
preferences {
    input("deviceId", "text", title: "Device ID")
    input("token", "text", title: "Access Token")
    input("MountHeight", "decimal", title: "MountHeight")

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Particle Code:

github.com

jdetmold/JeffSmartThingsPersonal/blob/master/devicetypes/jdetmold/sump-monitor.src/sump-monitor.ino

double analogvalue = 0;
double analogvoltage = 0;
double maxvoltagein = 3.113;
double kpa = 0;
double depth = 0;
double inches = 0;
double inchesout= 0;
double currentdepthinches = 0;
double offset = 0.85; //offset for calibration

void setup() {
    pinMode(A0, INPUT);
    Particle.variable("sumpdepth", currentdepthinches);
}

void loop() {

analogvalue = analogRead(A0); // get analog value from sensor
analogvoltage = ((double)analogvalue * 0.0008); // change input to voltage
//to get pressure from voltage Vout = VS * (0.09 * P + 0.04) == (Vin-(MaxV*0.04))/(MaxV*0.09) = P

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Fuzzyligic · March 18, 2016, 7:37am

To push data to ST you will need to create a smartapp to create a mapping endpoint

http://docs.smartthings.com/en/latest/smartapp-web-services-developers-guide/smartapp.html#mapping-endpoints

Then you can call that mapping endpoint from the particle cloud

jdetmold · March 18, 2016, 6:22pm

thanks! ill give that a try! I was hoping it could be done just from a device type (for simplicity) but if I need a smart app I guess I’ll have to make one!

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My 2nd DTH - Particle WiFi Sump Pump water level monitor

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