Open structure7 opened 8 years ago
On HC-SR04 connections:
http://www.14core.com/wiring-esp8266-nodemcu-with-hcsr04-ultrasonic-sensor/
https://tinker.yeoman.com.au/2016/01/15/esp8266-smart-shelf-part-2-nodemcu-arduino-ide/
On HC-SR04 connections:
http://www.14core.com/wiring-esp8266-nodemcu-with-hcsr04-ultrasonic-sensor/
https://tinker.yeoman.com.au/2016/01/15/esp8266-smart-shelf-part-2-nodemcu-arduino-ide/