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Introduction to the I2C Bus

Introduction to the I2C Bus

This article covers the essential characteristics and prominent advantages of the Inter–Integrated Circuit (aka I2C) serial-communications protocol.


Introduction to the Manually-Controlled Toaster Oven Reflow

Introduction to the Manually-Controlled Toaster Oven Reflow

With the help of a DIY thermocouple measurement system, you can use a cheap toaster oven to accurately reproduce a reflow-soldering temperature profile.


How to Choose the Best Battery for Your Next Project

How to Choose the Best Battery for Your Next Project

There are all sorts of batteries out there- this short overview will help you find the right one!


Buck Converters and Their Cool Applications

Buck Converters and Their Cool Applications

The buck converter is a ubiquitous DC-DC converter that efficiently converts a high voltage to a low voltage efficiently. Efficient power conversion extends battery life, reduces heat, and allows for smaller gadgets to be built. The buck converter can be used in lots of cool applications.


Design Your Own Controller for a Solder Reflow Oven

Design Your Own Controller for a Solder Reflow Oven

In the last installment, we built the hardware to control an AC waveform with a TRIAC as the first step in a DIY solder reflow oven. This tutorial continues the project by showing you how to set up the low-level hardware to measure temperature, read the zero-cross detector, drive the TRIAC, and print to the serial terminal using a USART.


Projects Nov 17, 2015 by Patrick Lloyd
Control an Arduino With a TV Remote

Control an Arduino With a TV Remote

Nothing on TV tonight? Control an Arduino with any infrared remote control, including the one you use to command your television.


Understanding Electricity with Hydraulics

Understanding Electricity with Hydraulics

An overview of how the concepts of electron flow and the role of individual circuit components can be related to the flow of fluid in pipe networks. The analogy between hydraulics and electricity is a useful tool for teaching and for those who are struggling to understand how circuits work.


Control Your AC Mains with a Microcontroller

Control Your AC Mains with a Microcontroller

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.


Projects Nov 09, 2015 by Patrick Lloyd
Universal Logic Gates

Universal Logic Gates

NAND and NOR gates are widely known to be universal logic gates, meaning that any other logic gate be made from NAND or NOR gates. This article discusses other universal logic gates.


Get Started with Matplotlib in Python to Visualize Data Collected from Measurement Instruments

Get Started with Matplotlib in Python to Visualize Data Collected from Measurement Instruments

This article explains how to install PyVisa and MatPlotlib for Python. PyVisa connects a computer to the measurement instruments and matplotlib helps to visualize the data collected from these instruments.


Projects Oct 24, 2015 by Ujjwal Roy
Wireless Power for Noise-Sensitive Circuits

Wireless Power for Noise-Sensitive Circuits

Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?


Projects Oct 21, 2015 by Robert Keim
Incorporating Wireless Power with IDT’s Tx/Rx Reference Kits

Incorporating Wireless Power with IDT’s Tx/Rx Reference Kits

Two evaluation boards from IDT help you to quickly and conveniently integrate wireless power into your designs.


Projects Oct 15, 2015 by Robert Keim
A Builder’s Guide to Buying Electronics on eBay

A Builder’s Guide to Buying Electronics on eBay

It's never been cheaper to round up a ton of quality hardware for open source projects! Here's what you need to know about the eBay experience.


How to Build a Web-based Garage Door Controller

How to Build a Web-based Garage Door Controller

Use your Android device to open and close your garage door! Much better than that clunky remote you've been using.


Light Bar “Relative Comfort” Thermometer with NodeMCU

Light Bar “Relative Comfort” Thermometer with NodeMCU

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


Projects Sep 28, 2015 by Patrick Lloyd
How to Add Bluetooth to a Ceiling Fan

How to Add Bluetooth to a Ceiling Fan

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.


BLE using nRF51: Creating a BLE Peripheral

BLE using nRF51: Creating a BLE Peripheral

How to create a custom BLE GATT peripheral using the nRF51 by creating a service and characteristics.


How to Communicate with a Custom BLE using an Android App

How to Communicate with a Custom BLE using an Android App

Learn how to communicate with a custom BLE peripheral using an Android device.


Introduction to the MQTT Protocol on NodeMCU

Introduction to the MQTT Protocol on NodeMCU

MQ Telemetry Transport (MQTT) is a popular low-overhead messaging protocol used by many IoT devices to communicate. This tutorial will show the user how to to set up a basic MQTT network using Python on his or her computer and an ESP8266 running the NodeMCU firmware.


Projects Sep 15, 2015 by Patrick Lloyd
Upgrade Your Power Wheels with Motor Control Basics

Upgrade Your Power Wheels with Motor Control Basics

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