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Build a Wireless “Tipping Bucket” Rain Gauge, Part 3—Receiver, PICAXE, and LCD

Build a Wireless “Tipping Bucket” Rain Gauge, Part 3—Receiver, PICAXE, and LCD

Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.


Build a Wireless “Tipping Bucket” Rain Gauge, Part 2—Adding the Transmitter

Build a Wireless “Tipping Bucket” Rain Gauge, Part 2—Adding the Transmitter

A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE microcontroller, and an LCD display to your weather station.


Build a Wireless “Tipping Bucket” Rain Gauge, Part 1—Assembling the Bucket

Build a Wireless “Tipping Bucket” Rain Gauge, Part 1—Assembling the Bucket

A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great addition to your weather station.


CAT-apult… An Arduino-Controlled Servo for Makers!

CAT-apult… An Arduino-Controlled Servo for Makers!

The CAT-apult! is the robotic food launcher your cat never knew it needed.


Projects Jul 29, 2016 by Ryan Jones
Rapid Analysis of BJT Switch/Driver Circuits

Rapid Analysis of BJT Switch/Driver Circuits

This technical brief explains a quick, straightforward procedure for evaluating a switch/driver circuit based on an NPN bipolar junction transistor.


Building an RC Robot Using a Wheelchair Base—Part 2

Building an RC Robot Using a Wheelchair Base—Part 2

The Sabertooth 2x32 motor controller can be used to create a robust drive platform for your next robotic endeavour. This article uses an Arduino Uno to communicate with the Sabertooth 2x32 controller.


Projects Jul 13, 2016 by Mark Hughes
The Quark D2000 Development Board: Moving Beyond “Hello World”

The Quark D2000 Development Board: Moving Beyond “Hello World”

Start to get acquainted with the new D2000 microcontroller development board by exploring the GPIO and PWM.


AC/DC: Battery Power Conversion for AC Speakers (Part 1)

AC/DC: Battery Power Conversion for AC Speakers (Part 1)

This project details the process by which AC-powered speaker sets can typically be converted to battery power. I'll detail my own projects and provide advice for converting almost any set of speakers.


Projects Jun 08, 2016 by Seth Schaffer
House-Monitoring Framework with Arduino and Raspberry Pi: The Paranoid App

House-Monitoring Framework with Arduino and Raspberry Pi: The Paranoid App

Learn how to use a Raspberry Pi and an Arduino to develop a system for monitoring and controlling your home.


Projects Jun 03, 2016 by Cezar Chirila
C-BISCUIT Power: Assembly and Testing of Regulator and Crowbar Circuits

C-BISCUIT Power: Assembly and Testing of Regulator and Crowbar Circuits

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.


Projects May 31, 2016 by Patrick Lloyd
Build a 2-Digit Up/Down Counter with a PICAXE 20M2

Build a 2-Digit Up/Down Counter with a PICAXE 20M2

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


Non-inverting Configuration of an Operational Amplifier

Non-inverting Configuration of an Operational Amplifier

Mentioned in the previous article, the first of two most commonly used operational amplifiers, the inverting configuration is heavily used in audio mixers or digital-to-audio converters. In this article, we will discuss the second amplifier configuration, known as the non-inverting amplifier.


Control a Servo from Your PC with the Atmel SAM4S

Control a Servo from Your PC with the Atmel SAM4S

Learn how to communicate between your PC and the SAM4S using the Atmel Software Framework’s USB module and simple ASCII commands.


Projects Apr 25, 2016 by Robert Keim
Servo Control via USB with the SAM4S Xplained Pro

Servo Control via USB with the SAM4S Xplained Pro

Part One in this two-article series focuses on the hardware setup and on using a pulse-width-modulated signal to control a servo.


Projects Apr 22, 2016 by Robert Keim
Build a Desktop Industrial Automation Trainer

Build a Desktop Industrial Automation Trainer

In this project, the reader will learn how to build and program a desktop industrial automation trainer for experimentation in robotics, motor, and process control system concepts on their workbench.


Projects Apr 21, 2016 by Don Wilcher
Use a DC Motor to Power LED Headlights on a Longboard

Use a DC Motor to Power LED Headlights on a Longboard

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


Projects Apr 20, 2016 by Jacob Smith
Build Programmable Time-based Switches Using a Real Time Clock

Build Programmable Time-based Switches Using a Real Time Clock

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


Basic Analysis of a Quantum Processor’s Components

Basic Analysis of a Quantum Processor’s Components

This article addresses the internal components of a Quantum Processor.


Controlling a Toaster Oven with a PICAXE - Part 2

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.


Controlling a Toaster Oven with a PICAXE - Part 1

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.