Add submission # 6418

#6418

Author: ArduinoBot

registry.txt

@@ -8204,3 +8204,4 @@ https://github.com/GabyGold67/ShiftRegGPIOXpander_AVR.git|Contributed|ShiftRegGP
 https://github.com/Herobrine-pixel/TouchSensorLib.git|Contributed|TouchSensorLib
 https://github.com/NightHawk-Technology/gnome-avr.git|Contributed|Gnome AVR
 https://github.com/tardate/TextFinder.git|Contributed|TextFinder
+https://github.com/diy-electron1cs/DE_tacho.git|Contributed|DE_tacho