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WiFi Bathroom Humidity Sensor W/Fan Control, App & Automation

“If your like me you always forget to turn on the bathroom fan. In this project I solved my bathroom humidity problem by automating the fan. I used a humidity sensor, wemos d1 mini, relay and the Blynk app.”

3D Body Scanner Using Raspberry Pi Cameras

“This 3D scanner is a collaborative project at BuildBrighton Makerspace with the aim of making digital technology affordable for community groups. Scanners are being used in the fashion industry, to customise clothes design, in the games industry for virtual reality …

48 X 8 Scrolling LED Matrix Using Arduino

“This is my first Instructable and this is all about making a 48x8 Programmable Scrolling LED Matrix using an Arduino UNO and 74HC595 shift registers. This was my first project with an Arduino development board. It was a challenge given …

4x4 Led Cube Full

“making a simple led cube “

Arduino Like Function on Kinetis K82 Freedom Stupid Board

“1000 of K82 Freedom Boards are collecting dust because of the hobbyist unfriendly IDE, pump up the duds with easy Arduino-like functions. Well, not really! The board is not stupid, it has a very powerful MCU in there with lots …

Bipolar Transistor Teaching Aide

“I created this transistor prop to help explain how a Bipolar Transistor works. The design has two main parts: the base and the lever arm.The lever arm represents the amplification of the transistor using water flow as current.A …

Design a Control Board for a Romi Robot Chassis

“In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors. The mechanical hardware that we’ll be working with is the Romi chassis, sold by Pololu. It …

DIY Battery Powered Solder Fume Extractor

“This is a battery powered solder fume extractor. It works up to 3 hours per charge with just one 18650 battery.”

E-Ink Display Based Static Desktop eCalendar

“An electronic desktop calendar based on an E-ink display controlled by TM4C123 Tiva(ARM) development board and programmed in Energia IDE. E-Ink displays are special because they can hold data for ages without any power. Power is only required to …

Experiments confirm theory of “superballistic” electron flow

“When many people try to squeeze through a passageway at the same time, it creates a bottleneck that slows everyone down. It turns out the reverse is true for electrons, which can move through small openings more quickly when travelling …