Add submission # 6226

#6226

Author: ArduinoBot

registry.txt

@@ -8077,3 +8077,4 @@ https://github.com/probonopd/KeypadSim.git|Contributed|KeypadSim
 https://github.com/CheezCheez/CheezsEMG.git|Contributed|CheezsEMG
 https://github.com/TheKvc/ServoHack.git|Contributed|ServoHack
 https://github.com/microbotsio/CodeCell-MicroLink.git|Contributed|CodeCell MicroLink
+https://github.com/miniiot/miniiot-arduino.git|Contributed|MiniIot