Other
“I built a gun that shoots out a narrow beam of ultrasonic audio. The sound can only be heard by people inside the narrow beam. For this project I built a gun that shoots out a narrow beam of ultrasonic …
“On this Instructables I will explain you how to build an IOT 256 LED Bar Graph Clock. This clock is not very difficult to make, not very expensive yet you’ll need be patient to tell the time ^^ but it …
“Follow this project to make an infrared thermometer by yourself! The infrared thermometer can measure the surface temperature of an object. Its advantage is non-contact temperature measurement, which can conveniently and accurately measure the temperature of a remote object. Now …
“This repository contains everything to rebuild the simplyRetro D8. The D8 is my first attempt to build a small custom bartop from scratch.”
“Why bother counting filament? A few reasons: Successful prints require a properly-calibrated extruder: when the gcode tells the extruder to move the filament 2mm, it needs to move exactly 2mm. Bad things happen if it over-extrudes or under-extrudes. A well-calibrated …
“Have you ever imagined you accidentally fall into an infinite space and embark on a wonderful journey? Imagine infinite size, we can also make our own infinite cube infinity mirror. let’s do this”
“We have all either felt or heard our heart beating but not many of us have seen it. This was the thought that made me start with this project. A simple way to visually see your heartbeat using a Heart …
“1. Principle Taking advantage of the ability to volatile harmful gases in CCS811air quality sensor, selecting Nano as the main control to receive values of harmful gas concentration from CCS811 sensor and map data to the LED brightness via the …
“A couple of months ago I built a two digit mechanical 7 segment display which I turned into a countdown timer. It came out quite well and a number of people suggested doubling up on the display to make a …
“A garage door opener with monitoring state (open/close) using an ESP8266. So a few years back, I was doing some cleanup in my basement and I found a storage box full of electronic items (stuff that I paid 10c …