Content for Project

LittleBot Budget: Simple Arduino Robot V2

“With the LittleBot Budget we wanted to make it as easy as possible for kids to get started with robots. So we boiled a robot down to its very essence. A way to move, a way to think, and a …

Low Cost Automation ESP32 and 16 Relays

“Today, well discuss an automation project with ESP32 as a Web Server! Well use ESP32 to display a page with temperature, humidity, and buttons to change the state of relays. Well use the MCP23017 to increase the number of pins …

Low-cost Fluorescence and Brightfield Microscopes

“Fluorescence microscopy is an imaging modality used to visualize specific structures in biological and other physical samples. The objects of interest in the sample (e.g. neurons, blood vessels, mitochondria, etc.) are visualized because fluorescent compounds attach to only those …

Measuring True-RMS AC Voltage

“Today, we will use the STM32 Maple Mini to do an AC reading. In our example, well get the RMS value of the power grid. This is very useful for those who want to monitor the electrical network for the …

Microbial Bioreactor

“An open microbial bioreactor for growing cultures of about 1L. Story We are building an open source, benchtop, batch bioreactor to optimise yield of enzymes producing recombinant proteins for molecular biology such as Taq polymerase or for cell-free extract production …

Mini 2-player Arcade From an Old Laptop and Ikea Chopping Boards.

“I love retro gaming. All those old arcade machines and consoles were just so much fun. I’d love my own arcade machine but I simply don’t have the space. Playing with a gamepad through a console on the …

Monitor Your Energy Bills via Modbus

“Connect a Modbus energy meter to an Arduino and monitor power consumption via Home Assistant. Story If you really want to make your home smarter, you’ll probably want start from your monthly bills (i.e. energy, gas, etc…). As …

NE555 ON OFF Touch Switch Circuit

“Touch Switch Circuit In this project guide, we’re building barely Switch Circuit mistreatment NE 555 IC. As you recognize, NE/SE 555 could be an extremely popular timer IC with multiple applications in several comes. barely switch is essentially …

Password Protected Door Locking System

“Time to cast all your worries about the safety of your home, your workplace, and any of your other go-to place to chill, away! Presenting to you the DIY Password-Based Door Lock! A simple yet effective means to safeguard your …

Peltier Dehumidifier for 3D Printer Filament

“A dehumidifier for your 3D printing dry box to keep your filament dry without the need for desiccant. Overview After building this project you should have a fully functioning dehumidifier for your 3D printer dry box to keep your filament …