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PROJECT

240

Simple Sensitive 3 Transistors BFO Metal Detector

By Mirko Pavleski

This project is a Very Simple "Beat Frequency Oscillator" type of Metal Detector.

PROJECT

177

Control a DC Motor with an LED Indicator from Node-RED Dashboard

By Don Wilcher

The approach to controlling a DC motor and LED makes the project interactive, ‎allowing Node-RED to control various devices in your home or workshop.

Getting Started with Input Output Devices on Arduino

TUTORIAL

2.039

Getting Started with Input/Output Devices on Arduino

By Maker.io Staff

This how-to article covers the basics of connecting simple physical input/output components to an Arduino.

TUTORIAL

502

Controlling H-Bridges

By Maker.io Staff

Learn how to build an H-bridge to control a DC brushed motor.

PROJECT

Create an Arduino Security Project using a PIR Sensor

By Maker.io Staff

A simple and robust homemade security system can be made with a handful of components and basic programming.

PROJECT

Build Your Own IoT Fan with Raspberry Pi

By Maker.io Staff

Building and controlling a fan is breeze with a Raspberry Pi, a dash of Python programming, simple circuitry and the AdafruitIO Internet of Things dashboard.

TUTORIAL

Automate Your Home With Adafruit IO

By Maker.io Staff

Simple home automation is possible with a few parts and the Adafruit IO Internet of Things dashboard to remotely control circuits from any Wi-Fi device.

BLOG

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

By Maker.io Staff

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.

PROJECT

108

How to Make a Raspberry Pi Voice-Activated Door Lock

By Maker.io Staff

Combining a simple external circuit with the Raspberry Pi to create a simple door-locking mechanism that takes advantage of the speech recognition library.

Image of The Gentleman Maker’s Life-Cam!

BLOG

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

By Maker.io Staff

In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera.

PROJECT

111

Use a Microcontroller to Control Your AC Mains

By All About Circuits

As electronic designs get smaller, through-hole components become less common in newer products in favor of surface mount packages. Being able to solder surface mount yourself by hand is a very valuable skill.