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How to Add Bluetooth 5 to a Project with a GT-tronics BLE5 Module

How to Add Bluetooth 5 to a Project with a GT-tronics BLE5 Module

This article demonstrates a solderless-breadboard compatible carrier-board for a pre-certified BLE4 or BLE5 module made by GT-Tronics. Use it to experiment with your own BLE5 compatible designs.


Projects Apr 04, 2018 by Mark Hughes
How to Generate Manchester-Encoded Data in Hardware and Firmware

How to Generate Manchester-Encoded Data in Hardware and Firmware

This article discusses implementation details for a simple yet effective technique that can improve your digital communication.


How to Multiply RF Signals without a Multiplier: The Switching Mixer

How to Multiply RF Signals without a Multiplier: The Switching Mixer

This article introduces an important technique used to perform frequency mixing in modern RF circuits.


An Introduction to Companding: Compressing Speech for Transmission Across Telephone Systems

An Introduction to Companding: Compressing Speech for Transmission Across Telephone Systems

This article introduces the analog-to-digital conversion required to compress speech for transmission across telephone systems.


What is Bluetooth 5? Learn about the Bit Paths Behind the New BLE Standard

What is Bluetooth 5? Learn about the Bit Paths Behind the New BLE Standard

The latest Bluetooth Specification provides features that allow increased speed and increased transmission distance. This article provides information about the various bit data paths used in the latest specifications.


The Wi-Fi Eye, Part 3: Choosing the Right Servos for the Job

The Wi-Fi Eye, Part 3: Choosing the Right Servos for the Job

Part 3 of this project focuses on choosing and configuring the servos you will use to create your Wi-Fi Eye.


Projects Jul 27, 2017 by Jeremy Lee
The Wi-Fi Eye, Part 2: Firmware, Wiring, and Network Connection

The Wi-Fi Eye, Part 2: Firmware, Wiring, and Network Connection

Part two of building a device that can detect Wi-Fi signals and "react" accordingly.


Projects Jul 26, 2017 by Jeremy Lee
The Wi-Fi Eye, Part 1: Introduction, Features, and Materials

The Wi-Fi Eye, Part 1: Introduction, Features, and Materials

Building an animatronic, wearable, Wi-Fi robots, part 1: Programming the controller.


Projects Jul 25, 2017 by Jeremy Lee
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
Why You Should Consider EMC Compliance and EMI Countermeasures Early in Your Design

Why You Should Consider EMC Compliance and EMI Countermeasures Early in Your Design

Learn a little history of EMC compliance, some EMI theory, and some common EMI countermeasures.


Troubleshooting Tools for Your Next Bluetooth LE Project: Ubertooth and the Nordic nRF Sniffer

Troubleshooting Tools for Your Next Bluetooth LE Project: Ubertooth and the Nordic nRF Sniffer

Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.


Projects Jul 14, 2017 by Mark Hughes
“Everything is Better with Bluetooth”:  Add Your Own Custom Bluetooth LE to Your Next Project

“Everything is Better with Bluetooth”:  Add Your Own Custom Bluetooth LE to Your Next Project

Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This article provides the building blocks that allow you to add BLE to your projects for $5 (plus a one-time purchase of a $15 programmer).


Projects Jun 28, 2017 by Mark Hughes
Radio Meets Fiber Optics: RF Over Fiber

Radio Meets Fiber Optics: RF Over Fiber

Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular, satellite, and copper based systems.


Coping with Long-Distance Serial Communication: A New Retimer IC from Texas Instruments

Coping with Long-Distance Serial Communication: A New Retimer IC from Texas Instruments

Signal degradation is unavoidable, but various ICs, such as the DS250DF210, can help to restore what has been lost (or eliminate what has been added).


Add Voice Commands to Your Next Project with Bluetooth LE

Add Voice Commands to Your Next Project with Bluetooth LE

This project uses the Alorium Technology XLR8, a Bluetooth LE HID Implementation, and the EasyVR voice recognition module to add voice-activated movements to your next project.


Projects May 17, 2017 by Mark Hughes
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.


Overview of the BLE Solar Beacon from Cypress Semiconductor

Overview of the BLE Solar Beacon from Cypress Semiconductor

Transmit humidity and temperature data with a fully functional, off-the-shelf, battery-less wireless sensor node.


Organize, Track, Identify: A New RFID Tag IC from STMicro

Organize, Track, Identify: A New RFID Tag IC from STMicro

RFID is an advanced technique for attaching information to objects of all kinds, and ICs such as the ST25DV series can help you to implement this technology.


Robust, High-Speed Serial Communication: A New RS-422/485 Transceiver from Maxim

Robust, High-Speed Serial Communication: A New RS-422/485 Transceiver from Maxim

The MAX14775E offers high-performance capabilities that make it especially suitable for data transfer in harsh environments.


The Punxsutawney 5000! A Sensirion Temperature Device

The Punxsutawney 5000! A Sensirion Temperature Device

No more waiting around for the groundhog. The Punxsutawney 5000 is here to keep you inside until springtime arrives!


Projects Feb 27, 2017 by Ryan Jones