update the readme

instructions on how to use the script

README.md

@@ -1,2 +1,43 @@
+
+![mounted pi](https://cdn.mastodon.technology/media_attachments/files/106/046/825/640/444/026/original/65a693504c9764e6.jpg)
+
 # raspi-weather
-a weather application for the raspberry pi and the pi hat.
+a weather application for the raspberry pi and the Inky pHAT (https://shop.pimoroni.com/products/inky-phat?variant=12549254217811)
+The script displays:
+- the current temperature
+- today's date
+- today's temperature range
+- tomorrow's temperature range
+- a verbal description of today's weather
+- weather icons drawn with math and python's drawing library
+
+A valueable resource: https://learn.pimoroni.com/tutorial/sandyj/getting-started-with-inky-phat
+
+## Installation
+
+### SSH into your rasberry pi
+> ssh pi@[IPADDRESS]
+
+### Install the Inky pHAT libraries
+> curl https://get.pimoroni.com/inky | bash
+
+### Copy weather.py over to your pi
+> scp /path/to/file username@a:/path/to/destination
+
+### Obtain a Weather Underground account
+https://www.wunderground.com/
+
+### Edit weather.py and update the variables with your API Key, the closest station, and your zipcode
+- ZIPCODE
+
+- STATION
+
+- APIKEY
+
+### Set the raspberru pi to run your script every 30 minutes
+> crontab -e
+
+At the very bottom of your crontab file, add the following line:
+
+> */30 * * * * python3 /[PATH TO YOUR SCRIPT]
+