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, where there is no possibility of having internet to control them. Plates and modules used in this […]
Autor: CarlosVolt Tutoriales
555 Integrated Circuit Servo Tester (Includes Printed Circuit)
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 another. It is a simple and didactic circuit, with very economical electronic components and easy to find […]
Automatic hand alcohol dispenser without arduino or microcontrollers
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 amplified by a ua741cp operational amplifier. The output of this integrated is connected to the base of the tip42c pnp transistor, which […]
Automatic gel alcohol dispenser with esp32
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 all step by step. Artículo en español en –> http://rogerbit.com/wprb/2020/10/dispensador-de-alcohol-en-gel-automatico-con-esp32/ Maybe you might be interested in projects in arduino, pic, robotics, telecommunications, subscribe […]
Dispensador de alcohol en gel automático con esp32
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 explicado todo paso a paso. Tutorial in english –> http://rogerbit.com/wprb/2020/10/automatic-gel-alcohol-dispenser-with-esp32/ Tal vez pueda interesarte proyectos en arduino, pic, robótica, telecomunicaciones, suscribete […]
⚡Compact variable voltage source with LM317T integrated circuit for protoboard
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, easy to make, and perfect to insert into our protoboard. Included is the printed circuit. The LM317t is a monolithic […]
Rhythmic Audio Meter with LM3915 (Bar/Point Mode)
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 talk about some features of the lm3915 integrated circuit. Field of application This integrated is used […]
Remote water level meter with DRF1276DM/DRF1278DM and Arduino lora modules
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 included to create the water probe. We will see the circuits, also the source codes and the operation of the […]
Medidor de nivel de agua remoto con módulos lora DRF1276DM/DRF1278DM y Arduino
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 para crear la sonda de agua. Veremos los circuitos, también los códigos fuentes y el funcionamiento del sistema. Acerca del circuito […]
Sistema de alarma básico de gas y llama con wifi kit 32
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 un sensor infrarrojo de llama, todo esto activará un buzzer, que nos alertará de algún incidente […]