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How to Flash the SIM900A Module

SIMCOM's SIM 900A in Europe? Read on to learn how.

February 25, 2016 by Jens Christoffersen

Control an Arduino with Bluetooth

This article will show you how to set up two way communication between an Arduino and your Android Smartphone using Bluetooth.

November 26, 2015 by Hariharan Mathavan

Update the Firmware in Your ESP8266 Wi-Fi Module

Updating the firmware in an ESP8266 Wi-Fi module can be frustrating! Here's a procedure to reduce the pain.

October 28, 2015 by Charles R. Hampton

Wireless Power for Noise-Sensitive Circuits

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

October 21, 2015 by Robert Keim

Breadboard and Program an ESP-01 Circuit with the Arduino IDE

The ESP8266 combination microcontroller/Wi-Fi modules can now be programmed using the Arduino IDE. Here's how!

October 20, 2015 by Charles R. Hampton

Communicate with Your Arduino Through Android

Want to send text to an Arduino with an Android smartphone? Here's how! This article will show how an Arduino (or almost any other microcontroller) can "talk" with your smartphone, sending and receiving text in both directions.

October 16, 2015 by Hariharan Mathavan

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.

September 29, 2015 by Travis Fagerness

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.

September 28, 2015 by Patrick Lloyd

Using a Serial LCD with a PICAXE

Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial adapter uses only one I/O.

September 22, 2015 by Charles R. Hampton

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.

September 15, 2015 by Patrick Lloyd

An Introduction to the Wunderbar

Learn how to set up the Wunderbar platform to begin building your own IoT apps. This will demonstrate the "Can't Touch This" and "Tell Me When" demo applications to measure WunderBar sensors and perform actions based on them. Some of the major bugs are discussed.

August 29, 2015 by Patrick Lloyd

Make an Automatic Water Softener Reporter

Create a smart home by displaying the current salt level of your water softener with the CC3200 and a proximity sensor.

August 20, 2015 by Travis Fagerness

Ambient Light Monitor: Zero-Cross Detection

Part 4 in the “How to Make an Ambient Light Monitor” series

August 16, 2015 by Robert Keim

Build an Audio Detector

Detect audio with an electret microphone and a TI CC3200 Wifi microcontroller. This handy project will allow you to set up an audio detection device that can be used to catch your roommate stealing things from the fridge or send you an alert if the noise in your room goes above a certain threshold.

August 09, 2015 by Travis Fagerness

How to Use a DHT11 with a PIC16F628A and LCD

How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example we're going to use a PIC16F628A.

August 07, 2015 by Jens Christoffersen

How to Make an Interactive TCP Server with NodeMCU on the ESP8266

Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and connect to the network. Then, learn how to automate the scripting process with Luatool and put it all together with a basic TCP server that can interact with a pulse-width modulated LED, a potentiometer, and a switch.

July 22, 2015 by Patrick Lloyd

Communicating with an EFM8 Microcontroller via USB

Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC and a microcontroller. This article explains how to use the virtual COM port library from Silicon Laboratories to send data from a Windows application to an EFM8 microcontroller.

July 17, 2015 by Robert Keim

Raspberry Pi – Setup and Management

When you buy a Raspberry Pi, you just buy a printed circuit board which doesn’t even come with a power supply or operating system. This tutorial is concerned with getting your Raspberry Pi set up and ready to use.

July 15, 2015 by Tim Youngblood

How to Use an Arduino as a Web Server

By equipping an Arduino with an Ethernet shield you can turn it into a simple web server, and by accessing that server with a browser running on any computer connected to the same network as the Arduino, you can perform a variety of tasks.

June 06, 2015 by Tim Youngblood