Update repositories.txt

Author: fanfanlatulipe26

repositories.txt

@@ -7965,7 +7965,7 @@ http://github.com/codewitch-honey-crisis/htcw_pool
 https://github.com/rjsachse/ESP32-SpeexDSP
 https://github.com/kingsmen732/Robot-face---sh1106-screen
 https://github.com/sonalPuthane/RGBLED
-
+https://github.com/fanfanlatulipe26/ESP32_ppm
 https://github.com/Robotistan/PicoBricks-for-RPico
 https://github.com/ParhamMoAsghari/ArduinoSmartButton
 https://github.com/ArtronShop/AmAlert-Arduino