DIY IoT Projects

Step-by-step tutorials and guides for building your own IoT projects using platforms like ESP32, Raspberry Pi, Arduino, and more. Learn how to create smart home devices, automation systems, and connected gadgets with hands-on instructions and code examples.

Build an AI-Powered Smart Home Assistant with ESP32

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Build an AI-Powered Smart Home Assistant with ESP32

Ever since I got my first ESP32 board, I’ve been obsessed with the idea of building my own smart assistant — something like Alexa or Google Home, but completely offline, DIY, and way more under my control. No cloud processing, no big tech snooping on my commands — just aes tiny, powerful microcontroller listening for voice commands and flipping real-world switches.

It started with a simple idea: What if I could talk to my house and it actually listened? Like, literally say “lights on” and see the lamp click on, no phone, no app — just voice and code.

So I grabbed an ESP32, a microphone module, some relays, and dove head-first into the world of embedded AI. In this project, I’ll walk you through how to build a voice-controlled smart home assistant using nothing but an ESP32, a few common components, and a bit of clever on-device machine learning.

We’re not just talking blinking LEDs here. This is real, usable voice control — trained to recognize your commands, process them locally, and trigger anything from lamps to fans to coffee machines. And the best part? No internet required.

If you’re the kind of person who loves combining wires, code, and a bit of magic to bring your environment to life — you’re in the right place.

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Internet of Things project – Android push notifications | ESP8266 Arduino Tutorial

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How to send push notifications to Android or IOS with ESP8266 - geekstips.jpg

What’s the point of building an IoT project if you can’t access it live from anywhere using your smartphone? The whole idea behind the “Internet of Things” is exactly that — being able to monitor and control your “things” remotely, at any time, from any place. Real-time access is what turns a simple gadget into … Read more

How to monitor screen time for kids with Internet of Things – ESP8266 Arduino Tutorial

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How to monitor TV screen time for kids with Internet of Things | ESP8266

In October 2016, nearly 10,000 pediatricians gathered at the American Academy of Pediatrics (AAP) national conference to update health recommendations for children in 2017. Among the key topics discussed were screen time, social media, and cyberbullying — all pressing issues in today’s connected world. AAP experts recommend that children between the ages of 2 and … Read more

Arduino Snow Depth Remote Sensing with Ultrasonic sensor and ESP8266

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arduino-snow-depth-with-ultrasonic1

Wouldn’t it be great to know how much snow fell overnight — just by checking your smartphone?

Whether you’re getting ready for work or want to keep an eye on snow depth at your vacation home in the mountains, there’s a simple and affordable way to do it: set up a remote snow depth monitoring system using Internet of Things (IoT) technology.

In this article, I’ll show you exactly how to build your own DIY snow depth sensor using an Arduino, an ultrasonic sensor, and an ESP8266 WiFi module. You’ll be able to track snow accumulation in real time, directly from your phone or any internet-connected device.

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Internet of Things for non-programmers with Arduino, Blynk and ESP8266-12F

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TiNKERIOT | Internet of Things for non-programmers with Arduino, Blynk and ESP8266-12F

The answer is NO — you don’t need to be a programmer to build Internet of Things (IoT) automation projects!

I get asked all the time: “What exactly is the Internet of Things, and can I create IoT projects without knowing how to code?”
In this article, I’ll show you how to control devices from your smartphone using the ESP8266 WiFi module and the Blynk platform, without writing a single line of code.

There are so many people who want to bring smart features to everyday objects — and honestly, it makes sense. People love to control things, especially remotely.

I personally know at least five experienced electronics engineers over 40 who are incredibly skilled in hardware but have almost no programming background. Some never had the opportunity to learn, while others simply aren’t interested — and that’s totally fine. What matters is that all of them are very excited about the idea of controlling devices over the internet.

And it’s not just engineers — even friends who’ve never touched a resistor are now curious about remote monitoring, automation, and control. IoT is no longer just for coders — it’s for everyone.

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Blynk BRIDGE – Another way to Communicate between two ESP8266 modules

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TiNKERIOT | Blynk BRIDGE - Another way to Communicate between two ESP8266 modules

A powerful new method for enabling communication between Internet of Things (IoT) modules — no matter where they are in the world — is now available through Blynk’s BRIDGE technology.

With Blynk Bridge, you can easily interconnect all your IoT devices using the Blynk Cloud Server as a live, central transaction manager. And the best part? This feature is completely free to use.

One of the biggest advantages of Blynk Bridge is how simple and fast it makes the development process. Thanks to the Blynk library, most of the complex work is handled behind the scenes — letting you focus on building your project, not on writing communication protocols.

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Blynk Email and Push Notifications tutorial – ESP8266 Arduino Example

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Blynk Email and Notification - ESP8266 Example 01

In this quick tutorial we are going to learn how to send emails and push notifications from the WiFi ESP8266 module, or any other IoT device, using Blynk Email and Push Notification APIs. For this demonstration we are going to build a simple thermometer project and then setup temperature Alarm points. Whenever the alarms will trigger, an email and a push notification will be sent.

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Ultimate Guide to MQ4 Gas Sensor – Accurate Methane Detection with Arduino (MQ3 & MQ4)

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TiNKERIOT | Ultimate Guide to MQ4 Gas Sensor – Accurate Methane Detection with Arduino (MQ3 & MQ4)

Can you monitor natural gas leaks using an Arduino without spending a lot of money? Absolutely.

There are plenty of gas sensors available online, and most of them are surprisingly affordable — especially if you buy directly from manufacturers or trusted sellers on major Asian marketplaces. For example, I picked up an MQ4 gas sensor for just $1.29 from a well-known electronics supplier in China.

In this article, I’ll show you how to use MQ3 and MQ4 sensors to detect methane and natural gas with an Arduino, without breaking the bank. Whether you’re building a DIY gas alarm or experimenting with your first sensor project, this guide will walk you through everything you need to know — from wiring and code to choosing the right sensor for your setup.

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