Latest Power Projects

Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a…

Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a previous article using a hot air rework station and other various electronics tools.

The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this…

The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this workhorse.

This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.

This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.

The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you.

The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you.

Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical…

Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical characteristics, and the application programming interface.

Counters using 7-segment LEDs are fun and useful projects for scoreboards and other numerical displays; here's one you can build.

Counters using 7-segment LEDs are fun and useful projects for scoreboards and other numerical displays; here's one you can build.

If you are a boat owner, I'll guess you've seen some of the prices on the chart plotters and navigation tools. Some of…

If you are a boat owner, I'll guess you've seen some of the prices on the chart plotters and navigation tools. Some of them are pretty expensive. In this article I'll show you how I deal with that.

In this article, we teach C-BISCUIT how to do important life things, such as booting into our OS of choice, and…

In this article, we teach C-BISCUIT how to do important life things, such as booting into our OS of choice, and connecting to the Wi-Fi it'll come to know as the gateway to knowledge.

Build a generator-powered LED headlight for a longboard for very cheap.

Build a generator-powered LED headlight for a longboard for very cheap.

Use DS3231M RTC alarm functions to make programmable, time-based, switches to power devices on and off at precise times.

Use DS3231M RTC alarm functions to make programmable, time-based, switches to power devices on and off at precise times.

Build a simple solar powered battery charger for Ni-MH batteries.

Build a simple solar powered battery charger for Ni-MH batteries.

Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.

Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.

Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.

Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.

In this project, Jason Poel Smith builds a battery backup system that you can use for small electronics to make sure that…

In this project, Jason Poel Smith builds a battery backup system that you can use for small electronics to make sure that they never lose power.

In this project, we use an Arduino and an attached charging circuit to control the charging of NiMH rechargeable batteries.

In this project, we use an Arduino and an attached charging circuit to control the charging of NiMH rechargeable batteries.

While the C-BISCUIT project is far from complete, it's already come a long way, seeing numerous ideas and design goals in…

While the C-BISCUIT project is far from complete, it's already come a long way, seeing numerous ideas and design goals in the process. This article will discuss some of these.

Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an…

Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an EFM8 microcontroller, a DAC, and the MAX31855 thermocouple-to-digital converter.

This project explains how to isolate signals to eliminate ground loops in electronic systems.

This project explains how to isolate signals to eliminate ground loops in electronic systems.

This is the beginning of a multi-part, multi-author series on how to build your own robotics platform called C-BISCUIT,…

This is the beginning of a multi-part, multi-author series on how to build your own robotics platform called C-BISCUIT, an acronym for Collaborative Bot with Integrated System Core, Unmanned Interactivity, and Telemetry -- based on the Wandboard Quad computer.