Latest Technical Articles

Ferrite beads used in conjunction with bypass capacitors can provide improved power-supply filtering and decoupling.

Ferrite beads used in conjunction with bypass capacitors can provide improved power-supply filtering and decoupling.

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

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

Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266…

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

Proper component selection and careful PCB layout are integral to power supply bypassing.

Proper component selection and careful PCB layout are integral to power supply bypassing.

Use a program like Kicad and a few cheap or common supplies to fabricate your own PCBs at home. Breadboarding is fine for…

Use a program like Kicad and a few cheap or common supplies to fabricate your own PCBs at home. Breadboarding is fine for testing a circuit, but it never looks good to have fifty wires coming out of a circuit.

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.

Thread, a network protocol released July 2015, is optimized for the connected home network. It is IPv6 based, uses IEEE…

Thread, a network protocol released July 2015, is optimized for the connected home network. It is IPv6 based, uses IEEE Standard 802.15.4 and runs on existing hardware.

NAND Flash is, without a doubt, the cheapest way to store a ton of bits in one place. It's also one of the most…

NAND Flash is, without a doubt, the cheapest way to store a ton of bits in one place. It's also one of the most aggravating memory mediums to work with: bits wear out, errors pop up, and data gets lost. Why deal with all the hassle of managing your memory manually? Instead, use an eMMC!

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.

A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.

A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.

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.

Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a…

Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a multi-part series on writing PICAXE code.

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.