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Two Techniques to Linearize Resistive Sensor Bridges

Two Techniques to Linearize Resistive Sensor Bridges

Measuring the minuscule resistance changes in resistive sensors can be a daunting task. Here are two hardware methods to eliminate bridge non-linearity errors.


Four Lessons an Adult Engineer Can Learn From Children’s Toys

Four Lessons an Adult Engineer Can Learn From Children’s Toys

Children’s toys aren’t just for children. Inside every toy, there are hundreds of hours of engineering experience just waiting to be discovered.


How to Build a Digital Input and Digital Control Using Microchip’s RN487x Bluetooth Module

How to Build a Digital Input and Digital Control Using Microchip’s RN487x Bluetooth Module

Learn how to use a Microchip module to prototype digital input and digital control peripherals.


Projects Oct 13, 2019 by Aaron Hanson
Sensors and Controls with the RN487x Bluetooth Module from Microchip

Sensors and Controls with the RN487x Bluetooth Module from Microchip

Learn about the RN487x family of Bluetooth modules and how to configure them for your low-power peripheral projects.


Hardware Security Vulnerabilities that Engineers Should Know

Hardware Security Vulnerabilities that Engineers Should Know

Why should engineers care about hardware security? Because they can help prevent vulnerabilities through design!


NFC-Powered Sweat Biosensor for Glucose and Lactate

NFC-Powered Sweat Biosensor for Glucose and Lactate

Researchers at Northwestern University Center for Bio-Integrated Electronics are championing the development of sweat biosensors with their latest glucose and lactate sensors.


How to Read a Microcontroller Datasheet: Introduction and First Steps

How to Read a Microcontroller Datasheet: Introduction and First Steps

MCU datasheets sometimes present an overwhelming abundance of facts, figures, and specs. This practical, step-by-step guide will help you to identify and extract the information that you need.


What Is a Microcontroller? The Defining Characteristics and Architecture of a Common Component

What Is a Microcontroller? The Defining Characteristics and Architecture of a Common Component

In this article we’ll look at the defining characteristics of these extremely popular ICs, and then we’ll explore the internal architecture.


Put an End to Stockings Full of Coal with the Raspberry Pi Santa Detector

Put an End to Stockings Full of Coal with the Raspberry Pi Santa Detector

For most, the name "Father Christmas" conjures images of toys and gadgets. But for this gentleman maker, the name brings misery. Be sure to stockpile your Arduino, Raspberry Pi, and Particle Photons; it's time to catch Saint Nick red-handed.


Projects Dec 21, 2018 by Robin Mitchell
How to Make Your Umbrella into a Weather Station with a Particle Photon

How to Make Your Umbrella into a Weather Station with a Particle Photon

Want to get to-the-minute, location-specific weather information delivered right to your own Adafruit IO dashboard? It's time to assemble your very own SmartBrella.


Projects Dec 13, 2018 by Robin Mitchell
Guide to USB-C Pinout and Features

Guide to USB-C Pinout and Features

This introductory article will look at some of the most important features of the USB-C standard.


Make Your Own Home Brewing Sensor Kit with the Gentleman Maker’s Adafruit IO SmartBrewer

Make Your Own Home Brewing Sensor Kit with the Gentleman Maker’s Adafruit IO SmartBrewer

Have a party coming up in the next few weeks that you want to make extra posh? Try making your own extra-special brew with the Gentleman Maker's SmartBrewer! Make sure you have an Adafruit IO account ready to go and your Particle Photon on hand.


Projects Dec 06, 2018 by Robin Mitchell
Protect Your Summer Harvest with the Gentleman Maker’s Raspberry Pi and Arduino Dog Corrector

Protect Your Summer Harvest with the Gentleman Maker’s Raspberry Pi and Arduino Dog Corrector

In this episode of the Gentleman Maker, we're using a Raspberry Pi and an Arduino Uno to stave off the onslaught of dogs trying to eat every single plant in our garden.


Projects Aug 09, 2018 by Robin Mitchell
What Is Embedded System Design? Defining an Electrical Engineering Field

What Is Embedded System Design? Defining an Electrical Engineering Field

Could you concisely define "embedded system design" off the top of your head? This article looks at the essential characteristics of an increasingly prominent specialization within the field of electrical engineering.


Feeling Flashy? Tone It Down with the Gentleman Maker’s Raspberry Pi Colorboringizer

Feeling Flashy? Tone It Down with the Gentleman Maker’s Raspberry Pi Colorboringizer

In this episode of the Gentleman Maker, we'll use a Raspberry Pi 3 Model B, an Arduino Nano, and an Arduino Uno to create a handy system to rid ourselves of overly-colorful fashion choices.


Projects Jul 05, 2018 by Robin Mitchell
A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.


Projects Jun 18, 2018 by Robert Keim
PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits

PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits

This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.


Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.


Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.


Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices

Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices

This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it into your next project.