IoT House - Documentation
  1. IoT House - Getting Started
    1. IoT House – Assembly Guide
    2. 1 Plant Drip Irrigation Assembly
    3. 2 Plants Drip Irrigation Assembly
  2. IoT House PictoBlox Extension
    1. Blocks
    2. Python Functions
  3. IoT House Block Examples
    1. What is IoT Lifecycle? Learn About IoT and Adafruit IO
    2. Adafruit Send Data to Cloud – DHT Sensor
    3. Adafruit IO – Get Data | Remote Controlled Light
    4. Adafruit IO – Get Color | Remote Controlled RGB Light
    5. IoT Enabled Smart Plug
    6. Wi-Fi Connect for Quarky in Upload Mode
    7. IoT Based Air Pollution Monitoring System
    8. IoT House Door Control
    9. Face Recognition Controlled Door
    10. RFID Based Door Operating System
    11. Automatic Light Control with LDR Sensor
    12. Flame Based Alarm System
    13. Voice Controlled Smart Plug
    14. Drip Irrigation System
    15. Automatic Plant Watering using Soil Moisture Sensor
    16. Adafruit Send Data to Cloud – All Sensors
    17. ThingSpeak Send Data to Cloud – DHT Sensor
    18. ThingSpeak IoT House Monitoring – All Sensors
    19. Automatic Water Tank
    20. Automatic Temperature based Fan
  4. IoT House Python Examples
    1. What is IoT Lifecycle? Learn About IoT and Adafruit IO
    2. Send Temperature and Humidity Data to Adafruit IO with Python
    3. Creating a Light Switch in Adafruit IO with Python Code
    4. Creating a Color Switch in Adafruit IO and Python Code for Quarky
    5. IoT-Enabled Smart Plug with Python Code
    6. Quarky WiFi Connection (Python) – Troubleshooting & Connection Status
    7. Gas Monitoring Dashboard with the MQ2 Gas Sensor and Adafruit IO
    8. Control the Door of the IoT House with Python
    9. IR & Face Recognition-Based Smart Door Opening System – Python
    10. Controlling IoT House Door with RFID
    11. Program Quarky to Detect Ambient Light with LDR Sensor
    12. Fire Alarm System with Flame Sensor and Quarky
    13. Drip Irrigation System Using the IoT House
    14. Automating Plant Watering Using Soil Moisture Sensor in Python
    15. IoT House Monitoring System with Adafruit IO Servers in Python
    16. Sending Temperature and Humidity Data from IoT House to ThingSpeak Cloud
    17. Create an IoT House Monitoring System with ThingSpeak

setldrthreshold()

Function Definition: setldrthreshold(threshold_value = 1500)

  • Python Library: IoT House (Quarky)
  • Library Import: Not Applicable
  • Mode: Stage Mode, Upload Mode

Parameters

NameTypeDescriptionExpected ValuesDefault Value
threshold_valueintThe theshold value for the LDR sensor.0-40961500

Description

The function sets the threshold for the LDR (Light) sensor connected to the selected pin. Threshold helps users decide whether the sensor is active or not. If the sensor value is greater than the threshold value, the sensor is active, or else it is inactive.

Example

There are no examples documented for this article.
Table of Contents
IoT House (Quarky)
  1. setrelay()
  2. pirstatus()
  3. flamestatus()
  4. irstatus()
  5. dhtmeasure()
  6. ldrstatus()
  7. ldrvalue()
  8. setldrthreshold()
  9. gassensorstatus()
  10. gassensorvalue()
  11. setgasthreshold()
  12. setmoisturepin()
  13. readmoisture()
  14. initialiserfid()
  15. readrfid()
  16. readscanneddata()
  17. writetorfid()
  18. setmaster()
  19. ismaster()
  20. getmastertag()
  21. gettag()

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