@Bharathchinnu you will find them across a few posts and you will need to assemble your code from them. Search these forums for the keywords and you will find those posts. E.g for oled, see https://community.blynk.cc/t/nodemcu-ultrasonic-oled/23079
@Bharathchinnu you will find them across a few posts and you will need to assemble your code from them. Search these forums for the keywords and you will find those posts. E.g for oled, see https://community.blynk.cc/t/nodemcu-ultrasonic-oled/23079