Latest Power Articles and Videos

Control a fan based on the current temperature with a Raspberry Pi!

Control a fan based on the current temperature with a Raspberry Pi!

Teaming up a PICAXE µC, a DS1307 real time clock module, and an LCD117 serial adapter with a liquid crystal display is…

Teaming up a PICAXE µC, a DS1307 real time clock module, and an LCD117 serial adapter with a liquid crystal display is a fun, educational way to assemble your own date and time demo.

Learn all about Thevenin's Theorem and its application in analyzing circuits with dependent sources.

Learn all about Thevenin's Theorem and its application in analyzing circuits with dependent sources.

This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem…

This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem to a practical circuit.

Ferrite beads used in conjunction with bypass capacitors can provide improved power-supply filtering and decoupling.

Ferrite beads used in conjunction with bypass capacitors can provide improved power-supply filtering and decoupling.

Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266…

Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266 modules running NodeMCU using MQTT.

Proper component selection and careful PCB layout are integral to power supply bypassing.

Proper component selection and careful PCB layout are integral to power supply bypassing.

How to add BLE capabilities to a wireless ceiling fan by incorporating the nRF51 in the remote control. Part of our…

How to add BLE capabilities to a wireless ceiling fan by incorporating the nRF51 in the remote control. Part of our series on the nRF51.

A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current…

A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current measuring and the ability to drive a single stepper motor.

A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.

A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.

Electronic and electric devices are not synonymous. Here's an overview of the differences between each and why the…

Electronic and electric devices are not synonymous. Here's an overview of the differences between each and why the distinction can be confusing even for professionals.

Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a…

Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a multi-part series on writing PICAXE code.

Adding variable speed control and battery monitoring to a Power Wheels truck!

Adding variable speed control and battery monitoring to a Power Wheels truck!

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.

ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal…

ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal Area Networks (WPANs), but they are optimized for different applications.

Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can…

Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can play standard musical notes. We will accomplish this using a low-cost, small-form-factor EFM8 microcontroller in conjunction with a few external components and a speaker.

An analysis of the historical link between the military's use of retransmission stations ("retrans") and the advent of…

An analysis of the historical link between the military's use of retransmission stations ("retrans") and the advent of the mesh network.

I hear about it all the time: planned obsolescence. People can't believe that their computer parts are already breaking…

I hear about it all the time: planned obsolescence. People can't believe that their computer parts are already breaking and their iPhone started to slow down just days before the next generation of the phone was released. Your TV seems to be programmed to have bugs whenever the manufacturing company wants to push a new product. Companies break their own products to get you to buy more of the same product: light bulbs, phones, batteries, cars, microwaves, computer screens, and even your car key transponder will all stop operating eventually. Either the marketing team or the designers wanted it that way, right?

This article walks through SCADA systems used to automate various power systems used in numerous industries. It also…

This article walks through SCADA systems used to automate various power systems used in numerous industries. It also details what the system is made up of, how they optimize performance in large-scale systems, and how these systems still poses a threat to a company's vulnerability to data and resources.