In this project, at first, we will be knowing about the MQ135 sensor and its internal circuit. Later we will be building an air pollution monitoring system using nodeMCU and MQ 135 gas sensor and interface an LCD (16X2) display to nodeMCU, to show the pollution content value.
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https://quartzcomponents.com –
Category: Microcontrollers Tags:
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Water Level Indicator Circuit using 555 Timer IC
https://quartzcomponents.com –
We are going to build a water level indicator circuit using 555 timer IC. This is a useful project which detects the water level and gives a signal to the user indicating that the water has reached the desired level.
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Top 10 IoT Projects for Beginners
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Check out the top 10 IoT projects for beginners with DIY instructions. These projects are based on various popular SBC boards like Arduino, Raspberry Pi, NodeMCU, etc.
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Inventory Management System using IoT
https://iotdesignpro.com –
Here we make an IoT enabled inventory management system using an Ultrasonic Sensor, NodeMCU ESP8266, and ThingSpeak cloud platform. In this system Ultrasonic sensor is used to count the number of products stored in a rack, ThingSpeak is used for live monitoring of data, and IFTTT is used to send a mail whenever the products count goes below the user-defined criteria.
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Smart Agriculture System with IoT
https://www.hackster.io –
Way of Irrigating the land with the use of IoT solution and it notify landowner when the percentage of moisture levels decreases below 30%.
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Arduino Sleep Modes and How to use them to Save the Power
https://circuitdigest.com –
Power consumption is a critical issue for a device running continuously for a long time without being turned off. So to overcome this problem almost every controller comes with a sleep mode, which help developers to design electronic gadgets for optimal power consumption. Sleep mode puts the device in power saving mode by turning off the unused module.
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Different types of wireless communication protocols for IoT
https://iotdesignpro.com –
IoT has power to make the complete system automatic. There are various IOT communication protocols which are used in communication between devices in the IoT network. The wireless communication protocol is a standard set of rules with reference to which various electronic devices communicate with each other wirelessly.
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Temperature and Humidity Monitoring using ThingSpeak & ESP8266
https://iotdesignpro.com –
In this project, we are going to send Temperature and Humidity sensor data to Thingspeak using DHT11. By this method we can monitor our DHT11 sensor’s temperature and humidity data over internet using ThingSpeak IOT server, and we can view the logged data and graph over time on the ThingSpeak dashboard.
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Arduino 7 Segment Display Clock
https://circuitdigest.com –
In this DIY project we make a Digital clock by multiplexing four- 7 segment displays using Arduino UNO and displaying the time in HH:MM format. This tutorial covers all the DIY instructions, circuit diagram and required code.
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How to Send Data to ThingSpeak Cloud using Raspberry Pi
https://iotdesignpro.com –
ThingSpeak is an open IoT platform for monitoring your data online. In ThingSpeak channel you can set the data as private or public according to your choice. ThingSpeak takes minimum of 15 seconds to update your readings. Its a great and very easy to use platform for building IOT projects.
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