Update README.md added links to Educators Guide

README.md

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 # CubeSatSim
 
-The CubeSat Simulator https://github.com/alanbjohnston/CubeSatSim/wiki is a low cost satellite emulator that runs on solar panels and batteries, transmits UHF radio telemetry, has a 3D printed frame, and can be extended by additional sensors and modules.  This project is sponsored by the not-for-profit [Radio Amateur Satellite Corporation, AMSAT®](https://amsat.org).
+The CubeSat Simulator https://github.com/alanbjohnston/CubeSatSim/wiki is a low cost satellite emulator that runs on solar panels and batteries, transmits UHF radio telemetry, has a 3D printed frame, and can be extended by additional sensors and modules.  This project is sponsored by the not-for-profit [Radio Amateur Satellite Corporation, AMSAT®](https://amsat.org) https://CubeSatSim.org
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+<img width="500" alt="CubeSatSim v2" src="https://CubeSatSim.org/v2/cubesatsim%20v2%20complete.png">
 
 The three custom PCBs are the Main, Battery and Solar boards.  Information including schematics and gerbers is in https://CubeSatSim.org/hardware
 
 <img width="200" alt="cubesatsim-main-v2 0 1_top" src="https://github.com/alanbjohnston/CubeSatSim/blob/b3178fc979a88031f06365590ba47a358158fd73/hardware/v2.0/cubesatsim-main-v2.0_top.png"> <img width="200" alt="cubesatsim-battery-v2 0_top" src="https://github.com/alanbjohnston/CubeSatSim/blob/b3178fc979a88031f06365590ba47a358158fd73/hardware/v2.0/cubesatsim-battery-v2.0.1_top.png"> <img width="200" alt="cubesatsim-solar-v2 0_top" src="https://github.com/alanbjohnston/CubeSatSim/blob/b3178fc979a88031f06365590ba47a358158fd73/hardware/v2.0/cubesatsim-solar-v2.0.1_top.png">
 
+For information about the AMSAT STEM education program based on the CubeSatSim, see https://CubeSatSim.org/EducatorsGuide
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+For STEM activities to do with the CubeSatSim, see the https://CubeSatSim.org/ActivityGuides
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 There are several hardware versions and software branches to go with them - see below for information.
 
 See the Wiki Software Install page for more details: https://github.com/alanbjohnston/CubeSatSim/wiki/2.-Software-Install. The software runs on any Raspberry Pi including the Raspberry Pi 4B, 3B, 3B+, Pi Zero, Pi Zero W, or Pi Zero 2 W.