Build your own 4G smartphone using the MAKERphone 2.0 ESP32-S3 educational kit. Kids 9 and up can learn Arduino C++ and make real calls on a 1000mAh battery.

For plants weighing modernization against budget and downtime constraints, extracting existing HART data is one of the lowest ...

I will avoid using difficult mathematical formulas as much as possible. The goal is to first grasp the concept. For example, suppose you have a level transmitter that measures the water level in a ...

My recent DI contribution (Another silly simple precision 0/20mA to 4/20mA converter) used the LM337 regulator in a novel circuit arrangement to translate an input 0-20 mA current source into a 4-20 ...

This Design Idea (DI) offers an alternative solution for an application borrowed from frequent DI contributor R. Jayapal, presented in: “A 0-20mA source current to 4-20mA loop current converter.” It ...

Why many instrumentation and controls (I&C) technicians and engineers surprisingly struggle with core concepts such the 4-20 mA current loop How organizations that invest in fundamentals-based ...

Arduino and Raspberry Pi are two staples in the DIY electronics community. Both are affordable, flexible, and supported by dedicated teams, thorough documentation, and a vibrant community. While ...

Starting at $129, the fourth-gen AirPods have the same open design as their predecessor, but they have a refined new look and are powered by Apple's H2 chip. The higher-end model has ANC for $179.

Despicable Me 4 should really be called another addition to the Minions movie franchise. That's not technically a value judgment; it would be simply a more honest label, one that describes the ...

In need of a simple microcontroller board for your project? Then, an Arduino board might be exactly what you're looking for. This open-source hardware platform comes in a multitude of versions, from ...