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How to add BLE capabilities to a wireless ceiling fan by incorporating the nRF51 in the remote control. Part of our…

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.

This article demonstrates porting FreeRTOS to the nRF51 with a softdevice so you can use an RTOS with the BLE functionality.

This article demonstrates porting FreeRTOS to the nRF51 with a softdevice so you can use an RTOS with the BLE functionality.

A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current…

A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current measuring and the ability to drive a single stepper motor.

Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial…

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

This article will show you one way of making an accurate clock by using the Real Time Clock IC DS1307. The time will be…

This article will show you one way of making an accurate clock by using the Real Time Clock IC DS1307. The time will be shown on a LCD display.

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

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

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

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

LCDs are great for showing info from your microcontroller. A serial adapter is inexpensive, uses only one I/O, and is…

LCDs are great for showing info from your microcontroller. A serial adapter is inexpensive, uses only one I/O, and is easy to connect and to use.

Part 3 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 3 in the “How to Make an EFM8-Based Sound Synthesizer” series.

MQ Telemetry Transport (MQTT) is a popular low-overhead messaging protocol used by many IoT devices to communicate. This…

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.

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

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

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

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

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can…

Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can play standard musical notes. We will accomplish this using a low-cost, small-form-factor EFM8 microcontroller in conjunction with a few external components and a speaker.

Part 5 in the “How to Make an Ambient Light Monitor” series.

Part 5 in the “How to Make an Ambient Light Monitor” series.

Learn how to set up the Wunderbar platform to begin building your own IoT apps. This will demonstrate the "Can't Touch…

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.

Getting started with PSoC®, the Programmable-System-on-Chip by Cypress Semiconductor for developing and testing embedded systems.

Getting started with PSoC®, the Programmable-System-on-Chip by Cypress Semiconductor for developing and testing embedded systems.

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

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

Beaglebone Black is the most recent incarnation of the Beaglebone open source hardware platform. For less than $50, the…

Beaglebone Black is the most recent incarnation of the Beaglebone open source hardware platform. For less than $50, the board includes Ethernet, graphics processing, 4Gb of nonvolatile storage, and ports supporting USB, HDMI, and Beaglebone's custom I/O add-ons, called "capes". Here's how to run some simple commands to toggle digital I/O on the board!