We may receive a commission on purchases made from links. One tool you'll find stashed in all the best electrician's tool backpacks is a multimeter. Most modern multimeters are of the digital variety, ...

Need an oscilloscope? Understand all you need to know about oscilloscopes in this beginner-friendly tutorial, and elevate your electronics projects beyond the multimeter. Have you ever found yourself ...

A precision voltage reference is useful in the lab for checking your multimeters. This post describes the construction of a poor man’s precision voltage reference. It is great for checking any ...

Discover how you can build a professional digital multimeter using Arduino that measures up to 24V DC voltage, checks resistance, conducts diode testing, and performs continuity tests. This ...

This post describes the preliminary results of a small Hall-Sensor module. This is widely known as KY-024 module. The KY-024 sensor module I got from an online retailer is inexpensive, and the ...

How to tune a guitar… Even if you haven’t got a tuner Gibson brings back the T-Top humbucker with “period-correct” 1968 spec "There isn't one correct answer": 6 things you need you need know about how ...

Molecular absorbance and fluorescence measurements are usually performed by benchtop or portable USB spectrophotometers or fluorometers. However, even the simplest configuration of these instruments ...

The Left and right arrow keys are used to select the channel or device and the Up and Down Arrows control the volume for the currently selected device. Quit the program with ALT+Q, or by hitting the ...

One common feature that is used in almost every embedded application is the ADC module (Analog to Digital Converter). These Analog to digital Converters can read voltage from analog sensors like ...

The ODYSSEY - X86J4105, is based on Intel Celeron J4105, a Quad-Core 1.5GHz CPU that bursts up to 2.5GHz. It has all the great features that a standard Computer needs, including an 8GB LPDDR4 RAM, ...