Latest Microcontrollers/Processors Projects

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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.

April 12, 2018 by Mark Hughes

How to Interface an Ultrasonic Sensor with an LCD Using a Microcontroller Dev Kit

Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use it in a parking sensor application.

November 02, 2017 by Nick Davis

Testing for a Robot’s Collision Detection System with Varying Impact Resistance

We’ll use real collision data to refine the detection algorithm, and even better, we’ll confirm that the system actually works.

September 28, 2017 by Robert Keim

How to Protect Your Robot with Automatic Collision Detection

In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision (or some other violent event).

September 21, 2017 by Robert Keim

Make a GPS Navigation System for a Boat with a Raspberry Pi

If you are a boat owner, I'll guess you've seen some of the prices on the chart plotters and navigation tools. Some of them are pretty expensive. In this article I'll show you how I deal with that.

May 03, 2016 by Jens Christoffersen

Use a DC Motor to Power LED Headlights on a Longboard

Build a generator-powered LED headlight for a longboard for very cheap.

April 20, 2016 by Jacob Smith

Make a GPS Clock With a PIC Microcontroller

In this article I'll show you one way to use a PIC microcontroller to get the time and date from a GPS module.

January 29, 2016 by Jens Christoffersen

How to Eliminate Ground Loops with Signal Isolation

This project explains how to isolate signals to eliminate ground loops in electronic systems.

January 29, 2016 by Orrin Bigelow

Getting Started with the Bosch BMP180 Sensor

Learn one of the ways to get started with the BMP180 sensor and learn a simple way to improve the data.

December 20, 2015 by Alex Udanis

Make a GPS Clock With PICAXE

In this article, I'll show you one way to get the time and date from a GPS module, using a PICAXE 20m2.

December 19, 2015 by Jens Christoffersen

Make a GPS Clock With Arduino

Do you need GPS time on your desk? This article will show you how to use a GPS module to get time, date and your location displayed on an LCD with an Arduino.

December 09, 2015 by Jens Christoffersen

Control an Arduino with Bluetooth

This article will show you how to set up two way communication between an Arduino and your Android Smartphone using Bluetooth.

November 26, 2015 by Hariharan Mathavan

Get Started with Matplotlib in Python to Visualize Data Collected from Measurement Instruments

This article explains how to install PyVisa and MatPlotlib for Python. PyVisa connects a computer to the measurement instruments and matplotlib helps to visualize the data collected from these instruments.

October 24, 2015 by Ujjwal Roy

Make an LED Light Strip AHRS with Arduino and MPU-6050

Use a WS2812 RGB LED strip to visualize the pose of an MPU-6050 6-degree-of-freedom IMU in three dimensional space.

October 13, 2015 by Patrick Lloyd

Servo Motor Control with an Arduino

You can connect small servo motors directly to an Arduino to control the shaft position very precisely.

June 03, 2015 by Tim Youngblood

How to Build an Analog Sensor and Analog Output Using Microchip’s RN487x Bluetooth Module

Learn how to hook up an analog input (potentiometer) and output (LED) using a Microchip BLE module.

October 21, 2019 by Aaron Hanson

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.

October 13, 2019 by Aaron Hanson

Build Your Own Voice-Activated Home Automation System with the Gentleman Maker’s Posh Butler

Learn how to use a Raspberry Pi to make your own posh home automation system!

February 24, 2019 by Robin Mitchell

Never Run Out of Tea Again! How to Build the Gentleman Maker’s Intelli-T Raspberry Pi Sensor Alarm

Never run out of tea again! The Intelli-T uses a weight sensor and a Raspberry Pi to alert you when your tea supply is running low.

February 12, 2019 by Robin Mitchell

How to Design a Precise Inclinometer on a Custom PCB

Learn the design steps for creating your own custom inclinometer PCB.

January 08, 2019 by Mark Hughes

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.

December 21, 2018 by Robin Mitchell

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.

December 13, 2018 by Robin Mitchell

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.

December 06, 2018 by Robin Mitchell

Protect Your Personal Castle With the Gentleman Maker’s Photon Trebuchet

In this Gentleman Maker project, we will use Particle Photon boards to power a motion-sensing trebuchet that can fend off all your mischievous intruders.

September 27, 2018 by Robin Mitchell

How to Design a Super Simple Sensor System for Industrial Monitoring Applications

This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart home sensing and monitoring. We will discuss a custom sensor subsystem developed for this application.

September 12, 2018 by Mark Hughes

How to Build a Class-D Power Amp

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

August 29, 2018 by Cezar Chirila

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.

August 09, 2018 by Robin Mitchell

Hardware Assessment: OPB9000 Reflective Light Sensor from TTElectronics

The OPB9000 is a reflective light sensor from TTElectronics with programmable output and sensitivity levels.

July 27, 2018 by Mark Hughes

Hardware Assessment: LightCrafter Evaluation Kit for BeagleBoard Black from Texas Instruments

The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide instant-on projection capabilities using a digital micromirror device and a relatively high-power RGB LED.

July 09, 2018 by Mark Hughes

How To Control a DC Motor with an Arduino

By connecting an L298 bridge IC to an Arduino, you can control a DC motor.

July 07, 2018 by Tim Youngblood

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.

July 05, 2018 by Robin Mitchell

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.

June 18, 2018 by Robert Keim

Take a Gander at Wildlife with Your Raspberry Pi: The Gentleman Maker’s Life-Cam!

In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera. And, as an added bonus, this camera works at night. Make one of your own to snap photos of local birds, parading pups, or sneaky humans.

June 15, 2018 by Robin Mitchell

Build Your Own Negative Voltage Generator

Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!

June 07, 2018 by Robin Mitchell

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.

June 01, 2018 by M. Mahdi K. Kanan