3D Printed Gesture-Controlled Robot Arm is a Ton of Tutorials

Ever wanted your own gesture-controlled robot arm? [EbenKouao]’s DIY Arduino Robot Arm project covers all the bases involved, but even if a robot arm isn’t your jam, his project has plenty to learn from. Every part is carefully explained, complete …read more

Continue reading 3D Printed Gesture-Controlled Robot Arm is a Ton of Tutorials

Grasp Kotlin’s Coroutines With This Short Tutorial

Kotlin is a relatively new programming language; a derivative of Java with lots of little handy functional bits such as coroutines. [Foalyy] is porting an app to Android and learning Kotlin at the same time, and after wrapping their mind around coroutines, has written up a concise five-part tutorial …read more

Continue reading Grasp Kotlin’s Coroutines With This Short Tutorial

Two-Part, Four-Wire Air Quality Meter Shows How It’s Done

The Bosch BME680 is a super-capable environmental sensor, and [Random Nerd Tutorials] has married it to the ESP32 to create an air quality meter that serves as a great tutorial on not just getting the sensor up and running, but also in setting up a simple (and optional) web server …read more

Continue reading Two-Part, Four-Wire Air Quality Meter Shows How It’s Done

Learn Quantum Computing with Spaced Repetition

Everyone learns differently, but cognitive research shows that you tend to remember things better if you use spaced repetition. That is, you learn something, then after a period, you are tested. If you still remember, you get tested again later with a longer interval between tests. If you get it …read more

Continue reading Learn Quantum Computing with Spaced Repetition

Fiddling with Windows: Proxy tools for Win10

If you have been following along with us, you know how to set up a Windows 10 Virtual Machine (VM) for web app pentesting. But now we have run into another problem. Let’s say that same client throws in a Windows 10 desktop app in scope. (You know… Continue reading Fiddling with Windows: Proxy tools for Win10

Car Alternators Make Great Electric Motors; Here’s How

The humble automotive alternator hides an interesting secret. Known as the part that converts power from internal combustion into the electricity needed to run everything else, they can also themselves be used as an electric motor.

These devices almost always take the form of a 3-phase alternator with the magnetic …read more

Continue reading Car Alternators Make Great Electric Motors; Here’s How

Automate Your Life with Node-RED (Plus a Dash of MQTT)

For years we’ve seen a trickle of really interesting home automation projects that use the Node-RED package. Each time, the hackers behind these projects have raved about Node-RED and now I’ve joined those ranks as well.

This graphic-based coding platform lets you quickly put together useful operations and graphic user …read more

Continue reading Automate Your Life with Node-RED (Plus a Dash of MQTT)