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Build an Automatic Computer Display Rotator With an Arduino

Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.

April 12, 2016 by Matthew Davis

C-BISCUIT Power: 5V 3A Buck Regulator for Wandboard

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

February 26, 2016 by Patrick Lloyd

Controlling a Toaster Oven with a PICAXE - Part 2

Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more consistent results. Building a microprocessor controlled reflow oven is well within the abilities and budget of many hobbyists.

February 05, 2016 by Charles R. Hampton

Controlling a Toaster Oven with a PICAXE - Part 1

A toaster oven can do more than just make toast; guided by a PICAXE microcontroller, it can make a sweet reflow soldering station.

January 31, 2016 by Charles R. Hampton

Measure Thermocouple Temperature with the MAX31855 and a PICAXE

Whether for cooking or reflow soldering, a thermocouple is often the best choice for a high temperature sensor. The MAX31855, a PICAXE-08M2, a serial LCD, and a few lines of code will do the trick.

January 14, 2016 by Charles R. Hampton

Hack Your Toaster Oven to Become a Thermocouple Measurement System

The intuitive, step-by-step procedure presented in this article will help you to successfully perform reflow soldering in your toaster oven.

December 18, 2015 by Robert Keim

Build a PICAXE ESP-01 Wi-Fi Communicator

A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup for data collection and IoT reporting.

December 15, 2015 by Charles R. Hampton

Build 9 Simple, Low-noise Linear Voltage Regulators Using the Same PCB

What linear voltage regulator circuits lack in efficiency, they make up in simplicity and low noise. Here's a scheme for 9 voltages from 2.5V to 15V on the same PCB design.

November 04, 2015 by Charles R. Hampton

How to Build a Robot - Testing Hardware

Part three of a series of articles on building a robot that can follow lines or walls and avoid obstacles!

November 03, 2015 by Travis Fagerness

Make an EFM8-Based System for Monitoring and Analyzing Thermocouple Measurements

With this microcontroller-to-PC interface you can conveniently monitor a temperature and visualize how the temperature changes over time.

October 26, 2015 by Robert Keim

How to Build a Real-Time Clock with a PICAXE

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.

October 03, 2015 by Charles R. Hampton