The oximeter is a tool that allows you to calculate the percentage of oxygen saturation in the blood based on the amount of light absorbed. It consists of a photodiode and two LEDs: a red LED and...

In this project we will see how a clock was created that displays the numbers through air bubbles inside tubes. The system consists of an ESP8266 which, through an I / O Expander MC2301, controls the solenoids...

  During this pandemic, it has become extremely important to make sure that we take all the necessary steps to keep this coronavirus away from us. Since the vaccines are still under development, the only way to...

If you have a dog and want to keep it entertained even when you are out of the house, you could do a similar project. It is a device that throws the ball after inserting it into...

In this project we will see how to make a smart pot that can show the emotion of a plant. It uses a soil moisture sensor to monitor the state of the soil and then displays an...

In this project we see how to build a measuring wheel designed to be used over distances where rulers and tape measures are no longer practical. Even if it uses a rotary encoder with only 20 steps...

Arduboy is a fully open source portable video game console inspired by the classic Nintendo Game Boy. It is Arduino compatible, which makes it easy for users to modify and program new games. The original Arduboy only...

A dimmer is a device that allows you to modulate the alternating voltage to be given to a load. In this project, an ESP8266-based dimmer was created that can easily control AC loads such as motors and...

  Resin 3D printers are finally cheap enough that peons like us can finally buy them without skipping too many meals, and what means we’re starting to see more and more of them in the hands of...

  Hi, in this tutorial we gonna interface MAX30102: pulse oximetry and heart rate monitor module with Arduino UNO board, and then make a project for measuring BPM using this module + OLED display and a Buzzer....

  I have been contacted by a number of people in search and rescue (SAR) who are interested in the other Ripple LoRa mesh projects I have been working on, and it got me to thinking about...

  In this project, you’ll build a sensor monitoring system using a TTGO LoRa32 SX1276 OLED board that sends temperature, humidity and pressure readings via LoRa radio to an ESP32 LoRa receiver. The receiver displays the latest...

https://youtu.be/3LkKYtQqzKo   Sometimes clocks lose their time and you have to set up it again. If you don’t want to get bored any more make your own digital clock! It uses a wemos D1 board which gets...

    In this project, you’ll build a sensor monitoring system using a TTGO LoRa32 SX1276 OLED board that sends temperature, humidity and pressure readings via LoRa radio to an ESP32 LoRa receiver. The receiver displays the...

Module with 0.91″ OLED display (Organic Light Emitting Diode), 128×32 pixels, blue color, I²C interface, graphic controller SSD1306, viewing angle> 160°, interfaceable to Arduino. Equipped with good contrast, it does not need backlighting. Power supply: 3,3 to...

Youtuber Electronic Grenade, a DIY enthusiast, has created something truly impressive in the form of a mouse that doubles up as a full-fledged computer. Aptly called ‘The Computer Mouse’, the device has a small colour display, a...

Moscow-based artist Dmitry Morozov has created a very innovative device called the Hot Ninja that is capable of messaging other devices using wireless SSIDs. “Multifunctional network device for autonomous activity in the city environment. Its main function...

A day ahead of Oculus Connect 4, Oculus has released documents for its second generation development kit. DK2 improved upon its predecessor (DK1) with a 1080p OLED display and positional tracking via an external camera. It in turn was...