In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.
In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.
This article examines three different types of magnetic materials and how they react to an external magnetic field.
This article examines three different types of magnetic materials and how they react to an external magnetic field.
This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment,…
This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment, magnetization vectors, susceptibility, and permeability.
Learn why power transformers are important, where they can fail, and why protection systems are crucial.
Learn why power transformers are important, where they can fail, and why protection systems are crucial.
This article provides some practical guidance on how to evaluate integrated circuits intended for controlling brushed DC motors.
This article provides some practical guidance on how to evaluate integrated circuits intended for controlling brushed DC motors.
This tech brief provides an overview of a somewhat uncommon member of the flip-flop family.
This tech brief provides an overview of a somewhat uncommon member of the flip-flop family.
An introduction to the basic operation of solid-state relays with a focus on the output devices in today’s SSRs.
An introduction to the basic operation of solid-state relays with a focus on the output devices in today’s SSRs.
Dive under the hood of an FPGA: Just what is inside of an FPGA that makes it so different from a microcontroller and yet…
Dive under the hood of an FPGA: Just what is inside of an FPGA that makes it so different from a microcontroller and yet still so versatile?
The Beaglebone Treat-Feeder is the prototype for a great pet-feeding device! Keep track of your pet's diet while you…
The Beaglebone Treat-Feeder is the prototype for a great pet-feeding device! Keep track of your pet's diet while you stuff your face!
Need to ventilate a room? This article will show you how I made a relay-operated, GPS-timed fan to vent out the moist air…
Need to ventilate a room? This article will show you how I made a relay-operated, GPS-timed fan to vent out the moist air in my boat's cabin. It is controlled with a PIC16F628A and has an LCD.
Learn how to build your own sous-vide machine. Say goodbye to overcooked steak!
Learn how to build your own sous-vide machine. Say goodbye to overcooked steak!
This object detection toy will keep your cat's head spinning for hours!
This object detection toy will keep your cat's head spinning for hours!
In this project, the reader will learn how to build and program a desktop industrial automation trainer for…
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.
Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more…
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.
In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.
In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.
The FRDM-K64F is a development platform which utilises the MK64FN1M0VLL12 microcontroller. This tutorial includes how to…
The FRDM-K64F is a development platform which utilises the MK64FN1M0VLL12 microcontroller. This tutorial includes how to download a simple blinky example onto the FRDM-K64F using the ARM mbed online IDE and KEIL MDK. Details of the GPIO module configuration are included.
Learn how to put together your own toaster oven controller with a handful of inexpensive, through-hole parts. The…
Learn how to put together your own toaster oven controller with a handful of inexpensive, through-hole parts. The emphasis is on safety, low price, and minimal modification of the toaster oven.
Learn how to use a rotary encoder in an Arduino project. Rotary encoders are electromechanical, electro-optical or…
Learn how to use a rotary encoder in an Arduino project. Rotary encoders are electromechanical, electro-optical or electro-magnetic devices which convert rotational motion into digital or analog information.
Part 3 introduces the if...then, endif, gosub, and return PICAXE BASIC commands. It is the third article in a multi-part…
Part 3 introduces the if...then, endif, gosub, and return PICAXE BASIC commands. It is the third article in a multi-part series on writing PICAXE code.
In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the…
In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the theory, and later I will show you some ways to handle it in both hardware and in software.
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