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The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

This article presents the equivalent circuit for a solar cell and discusses some implementation details.


PCB Layout for a Charge-Pump Bipolar Power Supply

PCB Layout for a Charge-Pump Bipolar Power Supply

In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.


Designing a Charge-Pump Bipolar Power Supply

Designing a Charge-Pump Bipolar Power Supply

This article presents and discusses a schematic design for a ±5 V inductorless power supply.


Boosting and Inverting without Inductors: Charge-Pump Power Supplies

Boosting and Inverting without Inductors: Charge-Pump Power Supplies

This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.


Save for Your Own Royal Wedding (of Sorts) with the Gentleman Maker’s Savings Incentivizer

Save for Your Own Royal Wedding (of Sorts) with the Gentleman Maker’s Savings Incentivizer

In this project, we'll use a Raspberry Pi to create a responsive piggy bank that belittles you when you slack on your savings!


Projects May 10, 2018 by Robin Mitchell
Hardware Evaluation for the Cypress S6AE102A/S6AE103A Eval Kit for Energy Harvesting Applications

Hardware Evaluation for the Cypress S6AE102A/S6AE103A Eval Kit for Energy Harvesting Applications

In this article, we will assess and characterize the hardware of two power management IC development boards from Cypress Semiconductor, designed for energy-harvesting applications.


The Gentleman Maker’s Sun Informer Lets Homebodies Safely Enjoy Intermittent Sunshine

The Gentleman Maker’s Sun Informer Lets Homebodies Safely Enjoy Intermittent Sunshine

In this project, we will create the Sun Informer, a device that will alert us when the sun comes out and then alert us when we have been out for too long.


Projects Apr 26, 2018 by Robin Mitchell
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
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 Make an IoT Teapot | The Gentleman Maker

How to Make an IoT Teapot | The Gentleman Maker

No longer will you have to get off the couch or out of your warm bed to get the pot brewed!


Projects Feb 28, 2018 by Robin Mitchell
Simplify Your Life with an Analog Window Detector

Simplify Your Life with an Analog Window Detector

This article, part of AAC’s Analog Circuit Collection, presents a simple yet effective replacement for ADC-based window detection.


Power over Ethernet (PoE) with Microchip’s EoE!

Power over Ethernet (PoE) with Microchip’s EoE!

Embrace the power of Power over Ethernet with Microchip's Ethernet of Everything!


Projects Jan 26, 2018 by Ryan Jones
How to Check and Calibrate a Humidity Sensor

How to Check and Calibrate a Humidity Sensor

How accurate is your humidity sensor? Find out with this project.


All About BLDC Motor Control: Sensorless Brushless DC Motor Controllers

All About BLDC Motor Control: Sensorless Brushless DC Motor Controllers

Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.


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 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
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
Make a Web Server with ESP8266

Make a Web Server with ESP8266

In this project, we first examine how to install an ESP8266 add-on on Arduino IDE and then we make a configurable web server with an ESP8266 and show the simplicity of this process.