The Launchpad-Based Laser Tripwire Alarm turns your next security system into a secret agent's dream.
The Launchpad-Based Laser Tripwire Alarm turns your next security system into a secret agent's dream.
This article presents the conversions of D-type flip-flops into SR-, JK- and T-types. It also explains how to verify the…
This article presents the conversions of D-type flip-flops into SR-, JK- and T-types. It also explains how to verify the conversion process.
Antennas are used to transmit and receive electromagnetic energy. This article covers basic antenna theory.
Antennas are used to transmit and receive electromagnetic energy. This article covers basic antenna theory.
This technical brief discusses the reasoning behind and implementation of constant-current drive circuitry for illuminating LEDs.
This technical brief discusses the reasoning behind and implementation of constant-current drive circuitry for illuminating LEDs.
This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.
This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.
Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.
Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.
In this project, we will build the heart of a simple 4-bit CPU, the ALU (Arithmetic Logic Unit).
In this project, we will build the heart of a simple 4-bit CPU, the ALU (Arithmetic Logic Unit).
This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying.
This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying.
A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE…
A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE microcontroller, and an LCD display to your weather station.
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.
This technical brief presents a simple MOSFET configuration that can be used as a voltage-controlled switch.
This technical brief presents a simple MOSFET configuration that can be used as a voltage-controlled switch.
Learn the basics of what LiDAR is, how it works, and how it's applied.
Learn the basics of what LiDAR is, how it works, and how it's applied.
This article teaches you how to convert a given JK flip-flop circuit to other types of flip-flops while verifying the…
This article teaches you how to convert a given JK flip-flop circuit to other types of flip-flops while verifying the process of conversion.
A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great…
A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great addition to your weather station.
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.
This article will provide a brief overview of the capabilities and advantages of using Scheme-It when starting a new…
This article will provide a brief overview of the capabilities and advantages of using Scheme-It when starting a new project, especially when working with a group.
A properly designed solder stencil helps to ensure successful reflow soldering with IC packages that have an exposed thermal pad.
A properly designed solder stencil helps to ensure successful reflow soldering with IC packages that have an exposed thermal pad.
Environmental monitoring sensors help us to better measure the world around us. This article will help you understand why…
Environmental monitoring sensors help us to better measure the world around us. This article will help you understand why the amount of UV light reaching you changes over time and how to measure it over I²C using the Si1145.
In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a…
In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a Raspberry Pi and write Python code for photo imaging projects.
This technical brief discusses thermal design techniques for IC packages—such as QFN, DFN, and MLP—that incorporate…
This technical brief discusses thermal design techniques for IC packages—such as QFN, DFN, and MLP—that incorporate an exposed thermal pad.