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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!

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ESP32 Easy To Follow Pinout No more confusion on GPIO selection Featured Image

ESP32 Pinout simplified: No more confusion when choosing GPIOs.

We all love to build IoT projects based on ESP32 boards because it has lots of GPIO pins to play. Many ESP32 lovers like me face a problem selecting appropriate GPIO pins or which pins to avoid for their projects.

We have wasted many hours on an ESP32 project due to the selection of the wrong GPIO pin and, we don’t want you all to be making the same mistake.

Therefore we have created this easy-to-use guide, simplifying the ESP32 GPIO selection process. If you use a bar ESP32 module in your project, this guide will be a handy tool for you.

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ESP32 Auto Connect To The Strongest WiFi Network

For most of us, ESP32 is the first preference for our IoT projects. Due to its advanced functionality with simple usage.

Among all the functionality, we will be discussing one of them today, which will take your IoT project to the next level.

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Big LDC Tutorial Fetuered Image

Jumbo LCD 16×2 Tutorial

Are you bored with your small 16×2 LCD? As I am. Therefore we have come up with a tutorial for jumbo LCD 16×2.

This LCD display is a perfect choice if your project needs easy readability.
In this tutorial, we will learn how to interface this jumbo LCD with Arduino UNO.

You will learn how to hook up this jumbo LCD for your upcoming project. We will be using an I2C interface with the jumbo LCD.

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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: A 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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