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The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.


Projects Jul 21, 2024 by Don Wilcher
Building a Handheld Retro Gaming Console With Local Wireless Connectivity

Building a Handheld Retro Gaming Console With Local Wireless Connectivity

In this project article, we design a handheld gaming console with wireless multiplayer functionality using ESP8266 microcontrollers. We then program a game for it with the Arduino IDE.


Building and Certifying an Open-Source IoT Controller, Part 4: Regulatory Compliance

Building and Certifying an Open-Source IoT Controller, Part 4: Regulatory Compliance

In the final installment of our series on the development of the Anthilla Controller, we look at the legal requirements for bringing the project to market in the European Union.


Building and Certifying an Open-Source IoT Controller, Part 3: Manufacturing and Testing

Building and Certifying an Open-Source IoT Controller, Part 3: Manufacturing and Testing

This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. In Part 3, we cover the manufacturing, assembly, and product testing of the board.


Building and Certifying an Open-Source IoT Controller, Part 2: Open-Source Certification

Building and Certifying an Open-Source IoT Controller, Part 2: Open-Source Certification

In this four-part series, we walk through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. Part 2 explains the process and requirements of obtaining an open-source hardware certification.


How to Stream Sensor Data from Bosch’s XDK110 Evaluation Board to the MQTT Messaging Service

How to Stream Sensor Data from Bosch’s XDK110 Evaluation Board to the MQTT Messaging Service

In this article, we will take a look at the XDK110 rapid prototyping kit, characterize its hardware, explore its software environment, and demonstrate connecting the device to the MQTT messaging service.


Projects Apr 12, 2018 by Mark Hughes
ESP Alarm: Make an IoT, Wi-Fi Enabled Alarm Clock with an ESP8266 and Arduino UNO

ESP Alarm: Make an IoT, Wi-Fi Enabled Alarm Clock with an ESP8266 and Arduino UNO

Learn how to make your own Wi-Fi-enabled "ESP Alarm."


Projects Jul 21, 2017 by Yahya Tawil
Build an IoT Notification Device with an Arduino UNO

Build an IoT Notification Device with an Arduino UNO

Enter the world of the Internet of Things by building your own IoT notification device.


Projects Jun 23, 2017 by Don Wilcher
Build an Arduino Multi-Node BLE Humidity and Temperature Sensor Monitor

Build an Arduino Multi-Node BLE Humidity and Temperature Sensor Monitor

Use Cypress Solar-Powered BLE Sensors, an Arduino UNO, and an HM10 BLE module to make your own multi-node temperature and humidity monitor and display.


The IoT Beaglebone Beagle Treat-Feeder

The IoT Beaglebone Beagle Treat-Feeder

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!


Projects Jan 30, 2017 by Ryan Jones
Build an Arduino BLE-Enabled Indoor Air Quality Monitor

Build an Arduino BLE-Enabled Indoor Air Quality Monitor

Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air Quality Monitor with Bluetooth low energy (BLE) connectivity.


Read and Write on NFC Tags with an Arduino

Read and Write on NFC Tags with an Arduino

Learn to use an Arduino to read NFC tags and write information on them! Near field communication protocols are what electronic devices can use to communicate and transfer data between each other.


Make a BLE Temperature Sensor with the nRF51

Make a BLE Temperature Sensor with the nRF51

This article demonstrates how to use the built-in die temperature sensor on the nRF51. The die temperature is not the same as ambient temperature, but can be calibrated to ambient temperature by using a correction factor.


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.


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
BLE using nRF51: ARM-GCC Build Environment

BLE using nRF51: ARM-GCC Build Environment

How to set up the build environment for the nRF51 system-on-chip using makefiles and ARM-GCC.


Guts of the IoT: Building NodeMCU from Source for the ESP8266

Guts of the IoT: Building NodeMCU from Source for the ESP8266

Compile and install NodeMCU on the ESP8266 IoT chip using Linux tools and the ESP Open Source SDK


Projects Jul 18, 2015 by Patrick Lloyd