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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-CAM DIY programming shield with LED blinking GIF featured image

ESP32-CAM DIY Programming Shield

ESP32-CAM has everything to build your camera-based IoT projects. But the major disadvantage of the ESP32-CAM board is that it does not have a USB programming connector or any power connector.
For programming an ESP32-CAM board, we have to connect with FTDI converters, and it also doesn’t have an onboard auto-reset circuit.

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installing ESP32 board in arduino IDE fetured image displaying quick setup

Installing ESP32 In Arduino IDE

Want to explore IoT projects? Then learning ESP32 is a great starting point. In this tutorial, you will learn how to install ESP32 in Arduino IDE. We will use Windows for this tutorial, but the same steps can be used for, mac and Linux OS.
To program ESP32, we have to add an addon package in Arduino IDE.

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Getting started with Arduino IDE, Featured image consist of Arduino IDE starting view and Arduino uno board

Getting Familiar With Arduino IDE

Arduino IDE is a great tool to start your electronics journey. It’s simple to get started with and have a large community to help you along the journey.
In this tutorial, you will learn how to install and set up Arduino IDE. Additionally, you will learn how to upload your first example sketch to the Arduino board.

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ESP32 wroom 32d to new ESP32 wroom DA

ESP32 WROOM DA Module: Dual Antenna Precision

New ESP32-WROOM-DA module launched by Espressif System.
The most remarkable thing about this module is that it has a dual PCB antenna to achieve high-quality and Long-Range wireless connectivity across large areas.
This post will cover an intro to this new module with all specs that Espressif has provided, so stay tuned with us to know more about it.

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AND gate main symbol with blue background as a featured image

Digital Logic 101: Understanding AND Gates and How They Work

Logic AND gate is part of a small yet important digital logic Gate family. We all know the basic AND gate symbols or that Truth Table. But have never explored it in a fun way where you can use such logic gate combinations in your DIY digital circuits.

You will learn everything about AND gate from a truth table to using AND gate in your projects.

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