ELECTRONOOBS

about 4 days ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - 433MHZ RELAY CONTROL

The idea behind this tutorial is to make somethiong like this module here that you could buy from eBay, but make the homemade version. This is a radio controlled relay module. This tutorial will show you how to make the remote controller and the receiver with the relay. The receiver wil... view more

Rick Sanchez

about 19 days ago
  • Electrical engineer
  • United States

Tutorial - DIY Simple Frequency Meter Up to 6.5MHz

Another simple to build useful instrument in you lab. The device presented in the video is a frequency meter made using an Arduino Nano microcontroller. It can measure the frequency of signals with rectangular, sinusoidal and triangular shapes. Credit to: Mirko Pavleski view more

Keyur Panchal

about 23 days ago
  • Student
  • India
Project - Arduino Based Bluetooth Controlled Matrix Display | in Basic Circuits

this project get data from androide phone via bluetooth. after reciving the data, the data is pass in arduino and then arduino display data on Matrix Display. we entered text in androide mobile app. the working voltages is 5v @ 500mA. the size of matrix display is 19x6. view more

negative feedback

about 1 month ago
  • India
Project - 12V @10Amps switching power supply | in Reuse

The switching power supply us based on UC3845 fixed frequency current mode controller. Output voltage is 12V at 10Amps constant current. primary and secondary are isolated with transformer and optocoupler, so providing safe environment for use. view more

Parth Kale

about 1 month ago
  • India
Project - 85 controller | in Basic Circuits

This is very cheap,  small in size, and a great choice for any small or compact projects. This microcontroller board has attiny85 ic as the main part. The board can be operated on two different clock speed first internal 1 mhz and secondly external 16mhz. The board has four 5v pins, four GND... view more

John Bruh

about 2 months ago
  • CAD designer
  • United States

Tutorial - How to Make a Wireless Soldering Iron

Post by ardutronic. Sometimes I feel like soldering outdoors, but I can't take my soldering station outside, so I decided to make a wireless soldering iron.  view more

ELECTRONOOBS

about 2 months ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - BLUETOOTH HEADPHONES

See how to make the 3D printed case, make the circuit, amplify sound and select speakers, receive music from Bluetooth transmitter and make the homeamde headphones. view more

ELECTRONOOBS

about 4 months ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - HOMEMADE SMART MIRROR

In this tutorial we go step by step on how I've made the frame of the mirror, how to prepare the one way type of mirror using a special film, thenw e see the scheamtic and all the electroncis we need, we mount the mirror and we upload the software on the raspberry pi. Finally we make our configur... view more

Rick Sanchez

about 4 months ago
  • Electrical engineer
  • United States

Tutorial - DIY inverter

What’s up my friends welcome back. Today we will look at a very basic circuit but also quite interesting. If you are into electronics I bet that you’ve heard about inverters. We have the rectifiers that pass AC voltage to DC voltage and then we have the inverters that will pass DC voltage to ... view more

John Bruh

about 5 months ago
  • CAD designer
  • United States
Project - DIY Plunging Dress Out of Curtains | in Sewing

The beauty about upcycling projects is seeing a random item and envisioning what it could be! When I came across these $8 curtains that were originally going to be a part of my bedroom decor, I thought they'd be perfect for a fashionable and budget-friendly refashion project. Here's how I transfo... view more

Andrei Gabriel

about 5 months ago
  • Electrical Engineer and Maker
  • Spain

Tutorial - HOMEMADE ULTRASONIC DISTANCE SENSOR

We will make a homemade ultrasonic distance sensor and see how these modules work. The working principle is quite simple but the circuit could get a bit tricky. We send a ultrasonic wave with the transmitter speaker, the wave hits an obstacle and bounce back to the receiver speaker. We calculate ... view more

ELECTRONOOBS

about 5 months ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - DIY SMOKE MACHINE

In this tutorial we will see how I've made my own homemade powerful smoke machine. This device works at 220V AC so be careful. It has an internal heater and through a tube we pass glycerin. This liquid, at high temperatures will create smoke. It is non toxic so don't worry. We use this liquid at ... view more

ELECTRONOOBS

about 6 months ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - DIY CONSTANT LOAD CONTROLLER

This is a very basic tutorial. I will show you how to build a constant load controller. What is that? Well, imagine you want to test the efficiency of a power supply. At a certain voltage output, you should create a current values table and get the effiency curve. For taht you need different valu... view more

ELECTRONOOBS

about 9 months ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - DIY HDMI PROMPTER

I always wanted a prompter so now I've made one. We can control it fron any PC with HDMI output. It has an LCD with HDMI controller, adaptor for tripod and more. Is quite easy to build and the most expensive part is the LCD. The rest are just some wood, a piece of glass and screws. So, let's see. view more

ELECTRONOOBS

about 9 months ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - Haz tu propio Arduino UNO

Este es mi electronoobino, versión 1. O. En este tutorial te mostraré cómo hice mi propia placa como Arduino Uno pero con algunos complementos únicos que quería. Mi placa tiene una doble fila de pines, puerto SPI compatible con estos módulos NRF24 porque los uso mucho, puerto mini B US... view more

ELECTRONOOBS

about 10 months ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - ARDUINO 5 IN 1 MULTIMETER V2.0

Months back I've made an Arduino based multimeter that was able to measure quite well voltage, current, capacitance, inductance and resistance. That was soldered on a homemade PCB and with wire connections, you can see that tutorial here. But that version had some errors. First of all the ci... view more

Andrei Gabriel

about 1 year ago
  • Electrical Engineer and Maker
  • Spain

Tutorial - ADDRESSABLE 7 SEGMENT DISPLAY

This is a huge 7 segment display. I mean is not huge, but compared with a common 7 segment display module, this one is quite big. The board is 130 by 80 mm. But that’s not the best part of this project. This PCB is controlled in series using just one data pin. If you ever used this WS 28 11 add... view more

ELECTRONOOBS

about 1 year ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - PORTABLE SOLDERING IRON V3

Finally, the board works perfect. So I could make a 3D design for the case and this is a final product that could end up on Kickstarter. It is a very cheap project, around 15$ for all the parts . On this tutorial you willhave a full part list, the schematic and layout of the board in case you wan... view more

ELECTRONOOBS

about 1 year ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - ARDUINO TETRIS LED GAME

Today we will see how to build this awesome TETRIS game made with arduino. The project also has sounds as for example the tetris theme and other beeps and you could add any other sound to the SD card inside the DFplayer module. To create the matrix I've used the well known WS2812 LED addressable ... view more

ELECTRONOOBS

about 1 year ago
  • Electronic Engineer and YouTuber
  • Spain
Project - DC non invasive current clamp for oscilloscope DIY | in Basic Circuits

Having an oscilloscope it's a very nice thing. It's a quite useful tool. But with the basic probes you could only observe voltage values. What if we want to observe current??? There are many types of oscilloscope probes each with its own field of application. The probe takes care of the very... view more

John Bruh

about 1 year ago
  • CAD designer
  • United States
Project - DIY Lab Bench Power Supply [Build + Tests] | in Basic Circuits

In this instructable / video I will show you how you can make your own variable lab bench power supply which can deliver 30V 6A 180W (10A MAX under the power limit). Minimal current limit 250-300mA. Also you will see accuracy, load, protection... view more

Adrian Anghel

about 1 year ago
  • Agricultural Engineer in Horticulture and Gardening
  • Spain
Project - DIY Recycled Pokemon Planters | in Basic Circuits

I'm a coffee-freak during winter and coka-cola-freak during the summer. Summer has just started and my house is already getting filled with cola plastic bottles. I also keep the coffee jars, they're great for keeping jewelry beads and findings. Any... view more

Adrian Anghel

about 1 year ago
  • Agricultural Engineer in Horticulture and Gardening
  • Spain

Tutorial - Thermally Insulated Pallet Kennel

During winter also a dog claims a warm place where to sleep. This kennel is a clear and easy example. The shingles aren't cut in a regular way. From a parallelepiped of wood (taken from the pallet I firstly disassembled) with an oblique cut two shingles can be obtained. The shingles are fixe... view more

Andrei Gabriel

about 1 year ago
  • Electrical Engineer and Maker
  • Spain

Tutorial - 6S & BMS BATTERY PACK

This is a very basic tutorial and there are already a lot of guides on how make something like this. But, since this is part of a future project (electric longbaord), well I'm doing this first step and show you how to connect the batteries, add charging protection. I'll use some Samsung INR18650 ... view more

ELECTRONOOBS

about 1 year ago
  • Electronic Engineer and YouTuber
  • Spain
Project - INDUCTION HEATER CIRCUIT | in Basic Circuits

How are these induction heaters work? We will look over the circuit and explain step by step how the oscillating signal is created, how current is induced and how the metal will get hot. Finally we use that schematic and mount a homemade version and see if it works to heat up some metals. So let'... view more

ELECTRONOOBS

about 1 year ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - ARDUINO BASED MULTIMETER

In this tutorial we will merge all the parts seen in these past tutorials here. In those tutorials we have seen how to measure resistance, current, indcutnace and capacitance. Measure voltage is very easy. In this tutorial we make a 5 in 1 multimeter based on an Arduino, an ADC module and an... view more

ELECTRONOOBS

about 1 year ago
  • Electronic Engineer and YouTuber
  • Spain

Tutorial - MY OPEN SOURCE ESC

I've been trying to make a good ESC for years. My first prototype 3 years ago was working "good". It was very big and the BEMF was not that good. It could reach decent speeds and you ahve that tutorial here on this page. Now, with my final version I have all taht I wanted. High speed, good B... view more