Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially…
This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially important because they are present in the internal oscillator in many popular MCUs.
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
This article provides an overview of the various fuse options that are available to designers of low-voltage circuits.
This article provides an overview of the various fuse options that are available to designers of low-voltage circuits.
This article explains some theory behind an extremely common electronic component.
This article explains some theory behind an extremely common electronic component.
In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.
In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.
This article looks at various types of oscilloscope probes and how to use them.
This article looks at various types of oscilloscope probes and how to use them.
Learn more about the importance of capacitor ESR, how to measure it, and what factors can affect your measurements.
Learn more about the importance of capacitor ESR, how to measure it, and what factors can affect your measurements.
This article discusses I-V curves for passive components, voltage sources, and current sources.
This article discusses I-V curves for passive components, voltage sources, and current sources.
When you have multiple LEDs with a common anode or common cathode, can you use just one current-limiting resistor?…
When you have multiple LEDs with a common anode or common cathode, can you use just one current-limiting resistor? Let’s take a look.
This article uses examples to explain the technique of source transformation.
This article uses examples to explain the technique of source transformation.
In part 2 of the LED saber project, we'll assemble the power and audio systems.
In part 2 of the LED saber project, we'll assemble the power and audio systems.
For this article, we are only concerned with one type of sensor that can measure temperature. This sensor is called a thermistor.
For this article, we are only concerned with one type of sensor that can measure temperature. This sensor is called a thermistor.
Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.
Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.
Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.
The job of the capacitor in the output filter of a DC power supply is to maintain a constant DC value by removing as much…
The job of the capacitor in the output filter of a DC power supply is to maintain a constant DC value by removing as much power ripple as possible. Because these capacitors have a DC value, they are actually storing a lot of energy that never gets used.
An AC-DC wall adaptor gets disassembled to see what components are used to build it, then the purpose of each component…
An AC-DC wall adaptor gets disassembled to see what components are used to build it, then the purpose of each component is analyzed.