All About Circuits

Latest Technical Articles

Categories

Extend EAGLE CAD Tool with ULPs: Writing Your First User Language Program

Extend EAGLE CAD Tool with ULPs: Writing Your First User Language Program

In this tutorial, you will learn how to write your first ULP in EAGLE CAD to add a new capability to your CAD tool.


Multirate DSP and Its Application in A/D Conversion

Multirate DSP and Its Application in A/D Conversion

Multirate DSP leads to a more efficient A/D conversion.


An Introduction to Motion Sensors: PIR, Tilt, Force, and More

An Introduction to Motion Sensors: PIR, Tilt, Force, and More

Learn about various movement-type sensors including accelerometers, tilt sensors, vibration sensors, PIR (passive infrared) sensors, and rotation sensors.


The Basics of SSRs (Solid-State Relays): The Switching Device

The Basics of SSRs (Solid-State Relays): The Switching Device

An introduction to the basic operation of solid-state relays with a focus on the output devices in today’s SSRs.


Build a Soil Moisture Sensor with the ADICUP Evaluation Board from Analog Devices

Build a Soil Moisture Sensor with the ADICUP Evaluation Board from Analog Devices

With all this hot weather this summer, we need to keep our plants well-fed. That's where the Debra 2 Moisture Sensor comes in!


Projects Jun 15, 2017 by Ryan Jones
Radio Meets Fiber Optics: RF Over Fiber

Radio Meets Fiber Optics: RF Over Fiber

Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular, satellite, and copper based systems.


An Introduction to Laser Diodes

An Introduction to Laser Diodes

Learn about the laser diode, including package types, applications, drive circuitry, and some laser diode specifications.


Getting Started with FPGAs: Lookup Tables and Flip-Flops

Getting Started with FPGAs: Lookup Tables and Flip-Flops

Dive under the hood of an FPGA: Just what is inside of an FPGA that makes it so different from a microcontroller and yet still so versatile?


Build an Arduino 101 Data Logger with the TI SensorTag

Build an Arduino 101 Data Logger with the TI SensorTag

Use an Arduino/Genuino 101, a TI SensorTag, and an SD shield to build a BLE multi-sensor data logger that records temperature, humidity, atmospheric pressure, ambient light and more.


Better Insight into DSP: Learning about Convolution

Better Insight into DSP: Learning about Convolution

This article presents an overview of the convolution operation and discusses two of its applications.


An Introduction to the CORDIC Algorithm

An Introduction to the CORDIC Algorithm

CORDIC is a hardware-efficient iterative method which uses rotations to calculate a wide range of elementary functions.


Keeping Track of Your Biopotential: Maxim’s New Analog Front End for Wearables

Keeping Track of Your Biopotential: Maxim’s New Analog Front End for Wearables

Highly integrated ICs such as the MAX30004 can help you to improve the performance and practicality of your wearable designs.


Measuring Rotation in Harsh Environments: New Rotary Position Sensors from TT Electronics

Measuring Rotation in Harsh Environments: New Rotary Position Sensors from TT Electronics

Rotary position sensors such as the PHS series can help you track mechanical changes in a wide variety of applications.


Simplify Your Lighting Design: A New Constant-Current Regulator from Diodes Incorporated

Simplify Your Lighting Design: A New Constant-Current Regulator from Diodes Incorporated

ICs such as the BCR401U provide high-quality control of LEDs for applications that require something better than the typical series-resistor arrangement.


Coping with Long-Distance Serial Communication: A New Retimer IC from Texas Instruments

Coping with Long-Distance Serial Communication: A New Retimer IC from Texas Instruments

Signal degradation is unavoidable, but various ICs, such as the DS250DF210, can help to restore what has been lost (or eliminate what has been added).


Seeking a Better Switch: A New High-Power FET from ON Semiconductor

Seeking a Better Switch: A New High-Power FET from ON Semiconductor

MOSFETs are certainly not new technology, but ongoing performance improvements make it worth your while to keep an eye on new releases.


High-Frequency FET Control: A New Gate-Driver IC from Diodes Incorporated

High-Frequency FET Control: A New Gate-Driver IC from Diodes Incorporated

Gate-driver ICs such as the DGD0506 provide a convenient and efficient way to control high-current loads.


Add Voice Commands to Your Next Project with Bluetooth LE

Add Voice Commands to Your Next Project with Bluetooth LE

This project uses the Alorium Technology XLR8, a Bluetooth LE HID Implementation, and the EasyVR voice recognition module to add voice-activated movements to your next project.


Projects May 17, 2017 by Mark Hughes
Amplify, Then Convert: A New High-Speed ADC Driver from Linear Tech

Amplify, Then Convert: A New High-Speed ADC Driver from Linear Tech

Good analog-to-digital conversion starts with good pre-ADC signal conditioning. Specialized devices such as the LTC6432-15 can help in this effort.


Introduction to Stepper Motors with Trinamic’s TMC2130 Eval Kit

Introduction to Stepper Motors with Trinamic’s TMC2130 Eval Kit

MIT-i takes on stepper motors 101!


Projects May 15, 2017 by Ryan Jones