Andy Castille| HC-SR04 | ESP8266 |
| Vcc | Vin |
| Trig | D1 |
| Echo | D2 |
| Gnd | GND |
Wiring
A project log for Garage Door Sensor
Using the ESP8266 to broadcast open/close MQTT events over WiFi
A project log for Garage Door Sensor
Using the ESP8266 to broadcast open/close MQTT events over WiFi
| HC-SR04 | ESP8266 |
| Vcc | Vin |
| Trig | D1 |
| Echo | D2 |
| Gnd | GND |
Discussions
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