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TUTORIAL
53

Pi Servo pHAT (v2) Hookup Guide

By SparkFun Electronics

The SparkFun Pi Servo pHAT provides your Raspberry Pi with 16 PWM channels that can be controlled over I2C. These channels are broken out in a header combination that is perfect for connecting servo motors.

PROJECT
1’433

Raspberry Pi Face Recognition-Based Door Lock

By Maker.io Staff

Learn how to set up a Raspberry Pi to control a door lock using facial recognition with OpenCV.

PROJECT
811

Make an Automatic Hand Sanitizer Dispenser Using Arduino

By Maker.io Staff

Learn how to use an Arduino Uno and an HCSR04 ultrasonic sensor to create a contactless hand sanitizer dispenser.