In this project, I'll make a small circuit capable of controlling a servo, it is a servo tester made out of a 555 timer IC. In the process of making this circuit, we'll make a pcb design for it. This ...

Pomodoro timers are a simple productivity tool. They help you work in dedicated chunks of time, usually 25 minutes in a ...

D0WD, a low-cost alternative to LilyGo T-Display, lets you mirror your desktop monitor over Wi-Fi with an ESP32 ...

Macropads can be as simple as a few buttons hooked up to a microcontroller to do the USB HID dance and talk to a PC. However, ...

You probably have a few water bottles stashed for an emergency, but if you rely on sensitive medical gear such as a CPAP machine, that isn't going to work. In a disaster scenario, finding a gallon of ...

NASA’s Artemis II rocket has reached its launch pad after a painstaking overnight crawl across Kennedy Space Center. Engineers are now preparing for crucial fueling and countdown tests ahead of the ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Dorie Chevlen Dorie Chevlen is a writer covering home design. Her subjects ...

I’m a mechanical engineer with more than 30 years of experience in industrial automation and design, with projects ranging from individual inventors to international corporations. I hold credit on six ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...