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Discover the new world of electronics with TechTOnions. We provide projects on Arduino, ESP32, and STM32 to help makers, engineers, and hobbyists explore and innovate. Join the electronics revolution today!

ESP32 Using SmartConfig

Changing Wi-Fi credentials in code for your ESP32 based IoT project is frustrating, right?

As most of us, either hard code Wi-Fi credential or will use famous Wi-Fi manager.

Apart from this, there is a method known as ESP-Touch, and it works on SmartConfig technology developed by TI.

We will explore SmartConfig technology, and you will be amazed as it is super simple to use and lightweight.

We will be using Arduino IDE for programming ESP32.

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Raspberry Pi Pico OSCILLOSCOPE Featured Image

Build Your Own Oscilloscope with Raspberry Pi Pico: Master 10X Precision in This Step-by-Step Guide!

If you never used an oscilloscope before then, this project is for you. Thanks to the project scoopy, now we can use our Pi-Pico board to build our oscilloscope.
This oscilloscope is a great start towards exploring your electronics project insides. This project can be the cheapest way to own a digital oscilloscope. Let’s explore what can be done with this.

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ESP32 sends alert message to Whatsapp when door opened featured image

ESP32 Sending Alert Message To WhatsApp

WhatsApp is now an essential part of our day-to-day life. Receiving any alert messages from ESP32 directly to WhatsApp would be great.
Therefore in this tutorial, we will show you how to send any messages directly to your WhatsApp.

We will be using Arduino IDE for programming ESP32.

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opamp symbol with black background used as featured image

Unlock the Power of Op-Amps: A Comprehensive Guide for Beginners

In this learning guide, you will learn about Operational Amplifiers (OP-AMP). Operational amplifiers are a fundamental part of analog electronics.
Learning characteristics and knowing different usage of operational amplifiers can help you get started with opamp-based projects.
Stick around with us in this analog journey of an OP-AMP.

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