A simple, low cost, and precision frequency meter uses only two pins of a pc parallel port (Figure 1). The TTL-level periodic input signal with frequency f IN connects to the ACK pin of LPT1. This ...

Iron-on patches can repair clothing or add personal flair to backpacks and hats. And now they could power wearable tech, too. Researchers reporting in ACS Applied Materials & Interfaces have combined ...

This ironed-on circuit creates a “VT” pattern that lights up LEDs, even when bent into different shapes (as shown in the middle and right images). Iron-on patches can repair clothing or add personal ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

Pluribus Episode 7's newest Breaking Bad callback adds emotional depth to Carol's character arc and rewards eagle-eyed fans.

Using the service provided by JLCPCB, you can order the circuit with all the components mounted and ready to go, so you don't have to buy and solder the components needed for your project! LEDs that I ...

One major reason for the high cost of developing new drugs and other chemicals is the sheer number of experiments involved; designing a single new drug can require synthesizing and testing ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you ...

Genetic circuit engineering is the synthesis of unnatural DNA segments encoding protein or RNA molecules that control each other’s levels. Genetic circuit engineering is the bottom-up, local approach ...

If you plan on getting involved in day trading, then having access to reliable and feature-rich charting platforms can be an essential tool. With numerous day trading chart providers available in the ...

Strong writing skills are essential for anyone in business. You need them to effectively communicate with colleagues, employees, and bosses and to sell any ideas ...