In this tutorial, we’ll look at how to make a low-cost audio amplifier with the lm386 integrated circuit. We will look at the list of electronic materials and components, also the assembly of the board step by […]

In this tutorial we will see how to make a water level meter circuit with the built-in uln2803.
The printed circuit is included, the operation of the same will be explained, as well as we will see the […]

In this tutorial we will see how to make a breathalyzer, simple economical and easy to make. We’ll see the source code, the circuit assembly all step by step. The printed circuit board will be available for […]

En este tutorial veremos como hacer un alcoholímetro, simple económico y fácil de hacer. Veremos el código fuente, el armado del circuito todo paso a paso. El circuito impreso estará disponible totalmente grat […]

In this tutorial we will see how to create an automatic garbage basket, with arduino nano an ultrasonic sensor, an sg90 servo motor and other electronic components. It includes the source code, electronic diagram […]

En este tutorial veremos como crear un cesto de basura automático, con arduino nano un sensor ultrasónico, un servomotor sg90 y otros componentes electrónicos. Se incluye el código fuente, el diagrama ele […]

Hello friends !!! This is a special collaborative video between various youtube channels. The proposed theme is project with audio. The project I propose is to make a prototype that can help non-seers. It has two […]

In this video we will see how to make an inductive sensor for Arduino. We’ll start by looking at the electronic components we’re going to use, then step together the circuit, also explain the source code in […]

In this tutorial we will use the radio frequency modules apc220 and arduino mini pro, to turn on lights or any other device, at a distance of up to one kilometer. This project is ideal for controlling devices, […]

In this tutorial we will see how to assemble a servo tester with the legendary 555 integrated circuit. This circuit generates a PWM (pulse width modulation) pulse to be able to move a servo in one direction or […]

In this tutorial we will see how to create an automatic alcohol dispenser with water, to disinfect hands. It is activated by bringing your hand closer to the reflective infrared sensor tcrt5000l, whose signal is […]

In tutorial we will see how to make a complete prototype, to assemble an automatic gel alcohol dispenser with esp32, it will include step-by-step assembly, electronic circuit and also the source code explained […]

En tutorial veremos como hacer un prototipo completo , para armar un dispensador de alcohol en gel automático con esp32, se incluirá el armado paso a paso, el circuito electrónico y también el código fuente expl […]

In this video we will see how to assemble an adjustable power supply, with the lm317 integrated circuit, and other electronic components. This project is ideal, if you want to put together an economical source, […]

In this tutorial we will see how to make a rhythmic audio meter with the lm3915 integrated circuit. We will look at the list of electronic materials and components, also the assembly of the board step by step and […]

In this tutorial we will see how to create a system that allows us to measure the water level remotely, with modules lora DRF1278DM/DRF1276DM (sx1276) and arduino mini pro, in addition the printed circuit is […]

En este tutorial veremos como crear un sistema que nos permite medir el nivel de agua en forma remota, con módulos lora DRF1278DM/DRF1276DM (sx1276) y arduino mini pro, además se incluye el circuito impreso p […]

En este tu tutorial probaremos Wifi Kit 32, que es un esp32 con display Oled integrado, con el haremos un sistemas de alarma para verificar posibles fugas de gas con el sensor mq-2, o la detección de fuego con […]

En este tutorial veremos como hacer una estación meteorológica con esp32 y pantalla de tinta electrónica. Analizaremos el código fuente, así como también veremos las conexiones de los componentes elect […]