Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...

A USB-C wall charger that fits neatly in your bag or even your pocket can be very handy, and Anker is one of the top brands when it comes to charging tech. You usually get bang for your buck with the ...

This is a two-part series where DI authors Damian and Phoenix Bonicatto explore the IQ signal representation and negative frequencies. Part 1 explains the commonly used SDR IQ signal representation ...

This study presents an effective process for preparing advanced H 2 sensors that combine high precision with rapid detection to meet critical safety standards in industrial settings. Hydrogen is ...

const int ledPin = 13; // on board LED... float temperature = 0.0; // variable to store reading from DS18B20 sensor... int delay_time = 2000; // variable to delay between readings... byte addr[8]; // ...

The Pixel 9 series has just been announced, and as you can see from the image below, the Pixel 9 Pro and 9 Pro XL still sport that small circle below the flash light. The temperature sensor is still ...

The “Rejeee multiple external temperature sensor for LoRaWAN” is a LoRaWAN solution for temperature sensing that includes three waterproof DS18B20 temperature sensors that could be useful for cold ...

Temperature tracking has long been one of my favorite aspects of HomeKit. Understanding how the temperature can vary in different parts of my house helped me decide where to use stand-alone fans and ...

If you're into robotics or electronics, you've likely come across Arduino—a small microcontroller that can control sensors and motors for nifty DIY projects. Like the Raspberry Pi, the Arduino is ...

Hyundai Nano Cooling Film is a new window tint that uses nanotech to reduce a car's interior temperature. The film is clear and effective in both hot and dry climates. Tests show that this film can ...

Smart home automation is the ultimate life hack, in my humble opinion. Whether for efficiency, accessibility, nerding out, or just plain laziness, all you need are smart home devices and a little ...