# pi_gpiozero_examples

A collection of examples for using the gpiozero library for reading sensors and activating actuators


# First steps

Install python3-gpiozero

`$ sudo apt update && sudo apt install python3-gpiozero`

##analogSensor.py

How to read analog values using a MCP3008 ADC (analog to digital converter)

##distanceSensor.py

Using HC-SRO4 distance sensor

Hardware required: 
	
	* 330 & 470 ohm resistors
	* HC-SRO4 Distance sensor

##ldrLed.py

Using an LDR to set the values of an LED, also smoothing and constraining sensor values in the process

Hardware required:
	* LDR
	* LED
	* 330 ohm resistor

## servo.py

Operate a servo

## webLed.py

Turn an LED on or off based on the input from a web page

Requires `flask` (`$ sudo apt install python3-flask`)

To change the look of the HTML page, have a look at the folder `template`

## remoteGpioFromHome.py

Interact with an LED using remote-gpio. 

## remoteGpioFromPi.py

Read buttons on different Pis in the VPN to trigger an LED