I needed to verify that a newly installed LoRaWAN gateway was working correctly, so I built a simple and portable testing device. In this video, I show you the two DIY LoRa devices I used from ...

The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

✈ Learn to build airplanes like this with the basic online course. ★ To download the plans and see more videos, images and information about this project. (*Create an account to be able to see the ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and ...

Free AI tools Goose and Qwen3-coder may replace a pricey Claude Code plan. Setup is straightforward but requires a powerful local machine. Early tests show promise, though issues remain with accuracy ...

In 2024/25 there were 140,000 fewer referrals for suspected bowel cancer than expected. The faecal immunochemical test (FIT) detects small amounts of blood in poo, which can be a sign of bowel cancer.

Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological signals in ...

One of the many problems you run into when you work with SMD parts is trying to probe the little tiny pins. While we usually ...

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Every day as I peruse through the mountain of metrics presented to me on my Garmin watch, I pause to take a look at a particular number: my VO2 max score. And I’m sure I’m not the only runner that ...

Verification codes are meant to keep online accounts feeling smooth, private, and easy to access. If you have ever wondered, should I give a verification code to customer service, the practical answer ...