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PROJECT
119

Halloween Scream Box

By Adafruit Industries

Do you need a last-minute Halloween decoration to scare your friends and trick-or-treaters? Try building a scream box that lets out blood-curdling screams when it's opened!

PROJECT
80

Fog Machine with Motion Sensor and Adafruit IO

By Adafruit Industries

This guide will show you how to hack a standard-issue Halloween-store fog machine to add lights and reactivity, and also how to use Adafruit IO to control your lights and fog from your smart phone -- from anywhere in the world!

PROJECT
329

IoT Bird Feeder with Camera

By Adafruit Industries

This project captures images of birds that you can view on an Adafruit IO feed or dashboard.

Arduino Inputs/Outputs with Becky Stern
TUTORIAL
399

Arduino Inputs/Outputs with Becky Stern

By bekathwia

Learn about inputs–electrical signals used to provide information to an Arduino board. We cover digital input with switches and analog input with potentiometers.

PROJECT
653

ESP32-CAM with PIR motion sensor PLUS Telegram?

By M5Stack

Receive motion detected images to your Telegram app!

How To Build a Motion Detection LED Design
TUTORIAL
561

How-To Build a Motion Detection LED Design

By Maker.io Staff

Motion detection using PIR modules is very easy to do thanks to the simple digital output and ease of Arduino programming.