Update README.md

arduinoenigma · web-flow · commit e9c19f72d3ff · 2018-04-07T02:32:40.000-04:00
diff --git a/README.md b/README.md
@@ -5,3 +5,6 @@ An Arduino port of Ken Shirriff Sinclair Scientific Calculator Simulator http://
 SinclairScientific1, master branch, updated to latest and greatest, all digits working, timing adjusted to match real calculator
 SinclairScientificExperiments, an old snapshot of the SinclairScientific tree with ALU functions implemented.<br>
 SinclairScientificExperiments2, a lean and mean and slow, no Serial.print, running version of the calculator, needs more step(), less display()<br>
+
+This simulator is what powers the following emulator:
+https://www.tindie.com/products/ArduinoEnigma/sinclair-scientific-calculator-emulator/
