In this Instructable, I will walk you through the steps to build an IoT Air Quality Sensor. This is an inexpensive air quality sensor with reasonable accuracy and is accessible to internet through WiFi. This project is to integrate 3 sensors that detect different kinds of gases and particles with Nodemcu and then, send the […]
Since Boston Dynamics presented their quadruped robot named Spot, everybody wants their own robot dog. There have been several efforts to create a robot with the same features. Many are costly and quite challenging to understand and create. This guide aims to provide a do-it-yourself option utilizing affordable hardware and electronic components through 3D printing. […]
This project describes the second part of the following two projects: A wireless doorbell transmitter as described in the Wireless Doorbell Transmitter Instructable. This Instructable also gives some introduction to these projects. A wireless doorbell receiver described in this Instructable. The wireless doorbell receiver will make a sound and will blink a LED 5 times after it […]
This sketch demonstrates Internet-based remote communication using a companion ‘bridge’ program running on the attached host which sends and receives messages via an online MQTT server. This allows connecting one Arduino to another over arbitrary distances, which we can use as a starting point for building collaborative telepresence. This example is configured to provide for […]
This sketch demonstrates Internet-based remote communication using a companion ‘bridge’ program running on the attached host which sends and receives messages via an online MQTT server. This allows connecting one Arduino to another over arbitrary distances, which we can use as a starting point for building collaborative telepresence. Full Source Code The full code is […]
VivoGame (something like “liveGame” in english) is a funny 2 players game whose goal is hit a target with a automated dart. One player wear a “glasses” that doesn’t let him see the target. 3 leds that replace each lens, allow the other one, who see the target, moving the first player’s head with a […]
The ESP8266 ESP-01 is a module for Wi-Fi that enables microcontrollers to connect to a Wi-Fi network. This module is an independent SOC (System On a Chip) that does not require a microcontroller for managing inputs and outputs like you would typically do with an Arduino, as the ESP-01 functions as a miniature computer. It […]
In this tutorial, I will show you how to achieve wireless communication of variables between 2 Arduinos using the HC-12 module, that operates from 433,4-473 Mhz. HC-12s are wireless modules for arduino to arduino communication, because they can send multiple variables over long distances-ones up to 1km-using only 2 digital pins, not even PWM pins, […]
Where I live, from spring to autumn we have to compete for territory against tiger mosquito. Local stores offer a impressive list of anti mosquito devices, candles, including sophisticated traps sold a few hundred euros, I even found one sold 2000€ – this give you an idea of how desperate people are to get rid […]
The vacuum cleaner robot is one of the most useful inventions of the last decade and anyone who says differently means that he does not have one! This fantastic household appliance is a concentration of technology: a complex embedded system composed of some microcontrollers, many sensors, and a lot of… software! But how many times […]
