Latest Technical Articles

Smith Charts are an extremely useful tool for engineers and designers concerned with RF circuits. This article covers the…

Smith Charts are an extremely useful tool for engineers and designers concerned with RF circuits. This article covers the mathematics behind creating the chart and its physical interpretation.

Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and…

Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and connect to the network. Then, learn how to automate the scripting process with Luatool and put it all together with a basic TCP server that can interact with a pulse-width modulated LED, a potentiometer, and a switch.

How to estimate wireless communication range from radio parameters.

How to estimate wireless communication range from radio parameters.

Compile and install NodeMCU on the ESP8266 IoT chip using Linux tools and the ESP Open Source SDK

Compile and install NodeMCU on the ESP8266 IoT chip using Linux tools and the ESP Open Source SDK

Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.

Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.

Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC…

Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC and a microcontroller. This article explains how to use the virtual COM port library from Silicon Laboratories to send data from a Windows application to an EFM8 microcontroller.

When you buy a Raspberry Pi, you just buy a printed circuit board which doesn’t even come with a power supply or…

When you buy a Raspberry Pi, you just buy a printed circuit board which doesn’t even come with a power supply or operating system. This tutorial is concerned with getting your Raspberry Pi set up and ready to use.

The 08M2 is the smallest member of the PICAXE family of microcontrollers; it is inexpensive, versatile, and easy to…

The 08M2 is the smallest member of the PICAXE family of microcontrollers; it is inexpensive, versatile, and easy to program using free software.

Build an analog booby-trap alarm system with an LM386 amplifier and an NPN transistor. This alarm system is activated by…

Build an analog booby-trap alarm system with an LM386 amplifier and an NPN transistor. This alarm system is activated by a trip sensor that sets off a screeching noise, alerting everyone and scaring off thieves.

Learn how to design characters using an image editor and display them on an LCD controlled by an EFM8 microcontroller.

Learn how to design characters using an image editor and display them on an LCD controlled by an EFM8 microcontroller.

Fritzing is an open-source software package that makes designing a PCB a more attainable reality.

Fritzing is an open-source software package that makes designing a PCB a more attainable reality.

This article describes certain special cases when performing nodal analysis.

This article describes certain special cases when performing nodal analysis.

This article describes the technical aspects of Performing Mesh analysis with Dependent Sources.

This article describes the technical aspects of Performing Mesh analysis with Dependent Sources.

A simple LCD control project with an EFM8 evaluation board demonstrates basic principles of embedded development.

A simple LCD control project with an EFM8 evaluation board demonstrates basic principles of embedded development.

Magnetic devices shape our world: they power our homes, tools, toys, and they even store our data. Quantum physics…

Magnetic devices shape our world: they power our homes, tools, toys, and they even store our data. Quantum physics provides insights needed to understand magnetism and its relationship to the intrinsic nature of the electron.

Delta/wye transforms allow us to replace part of a circuit with a different circuit that, while equivalent in behavior,…

Delta/wye transforms allow us to replace part of a circuit with a different circuit that, while equivalent in behavior, can make circuit analysis much simpler. Here we learn where these transforms come from.

Learn about the Hall effect and how it enables accurate, isolated current measurements.

Learn about the Hall effect and how it enables accurate, isolated current measurements.

A handy technical article demonstrating filter inductor design for boost converters, design of the coupled inductor for a…

A handy technical article demonstrating filter inductor design for boost converters, design of the coupled inductor for a two-output forward converter, and the design of flyback transformer in continuous conduction mode.

An introduction to the SiLabs EFM8 microcontrollers and related development tools.

An introduction to the SiLabs EFM8 microcontrollers and related development tools.