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Inspecting Electronic Circuits with an Audible Circuit Probe

Inspecting Electronic Circuits with an Audible Circuit Probe

When inspecting electronic circuits, most measurements are displayed visually. This tool provides audible feedback to augment your analyses.


Make a Workshop on a Budget for Under £100

Make a Workshop on a Budget for Under £100

Making a workshop for electronics projects is cheaper than you might think.


News May 29, 2016 by Robin Mitchell
Build an Object Detection DC Motor Controller

Build an Object Detection DC Motor Controller

In this continuing series of Building Raspberry Pi Controllers, you'll learn how to build a object detection control circuit for operating a small DC motor using a photocell.


Projects Dec 27, 2015 by Don Wilcher
Design a Luxmeter Using a Light Dependent Resistor

Design a Luxmeter Using a Light Dependent Resistor

Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate light meter can be built using an LDR and an Arduino.


Projects Dec 13, 2015 by David Williams
PICAXE to PC Connections

PICAXE to PC Connections

This article describes in detail the connections necessary for two way communications between PICAXE microcontrollers and personal computers. Both serial connections and USB to serial conversion connections are covered.


Beyond the DMM: Components and Circuits for Measuring Current and Voltage

Beyond the DMM: Components and Circuits for Measuring Current and Voltage

Learn about devices and techniques used for in-circuit monitoring of currents and voltages.


Measuring Resistance, In Circuit and Out

Measuring Resistance, In Circuit and Out

This article explains how to measure a resistance value, even if the resistor cannot be removed from its circuit.


How Low Can You Go? Measuring Small Voltages with a DMM

How Low Can You Go? Measuring Small Voltages with a DMM

Understanding the relationship between resolution and accuracy will help you determine how small a voltage, current, or resistance—or how small a change in those values—that you can actually measure with your digital multimeter.


Find Your Digital Multimeter Soulmate

Find Your Digital Multimeter Soulmate

Choosing a DMM isn't as simple as it looks. To choose the right DMM for your application, there are a number of factors that you should consider.