09-18-2024, 07:55 PM
Where to connect HC-SR04? It works on 5V and HT ports on 3V.
Maybe it's better to use 433M interface? 433M_T signal as trigger and DATA_R as echo. There is also 5V power supply on connector P2.
How to set PIN parameter?
Maybe it's better to use 433M interface? 433M_T signal as trigger and DATA_R as echo. There is also 5V power supply on connector P2.
How to set PIN parameter?