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[tutorial] How to use the HC-SR04 Ultrasonic Sensor

Introduction The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like …

[tutorial] How to drive a DC Motor with Transistor

Introduction To drive a DC motor you need a larger amount of current than …

[tutorial] How to use a Keypad

Introduction A keypad is a set of buttons arranged in a block or "pad …

[tutorial] How to use a servo motor

Introduction In this tutorial you will learn how to use a single servo motor …

[tutorial] How to use a Shift Register

Introduction In this tutorial you will learn how to use a shift register (or …

[tutorial] How to use a Flex Sensor

Introduction In this "How to" tutorial you will learn how to use a flex …