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+--- Forum: KC868-A16 (https://www.kincony.com/forum/forumdisplay.php?fid=25)
+--- Thread: KC868-A16 HC-SR04 (/showthread.php?tid=8021)
KC868-A16 HC-SR04 - damian87ew - 04-28-2025
I want to connect HC-SR04 to GPIO02 and GPIO15, but ESP does not see it
RE: KC868-A16 HC-SR04 - admin - 04-28-2025
maybe HC-SR04 output signal level is 5V TTL, ESP32 ready by 3.3v level.
RE: KC868-A16 HC-SR04 - damian87ew - 04-28-2025
But the RF pins are powered by 5V
RE: KC868-A16 HC-SR04 - damian87ew - 04-28-2025
(04-28-2025, 10:40 AM)admin Wrote: maybe HC-SR04 output signal level is 5V TTL, ESP32 ready by 3.3v level.
https://files.fm/u/xxjgxzmuck