Grove - Finger-clip Heart Rate Sensor - With nodemcu esp 32 and logic converter

Hi everyone,

I am working on the Grove Finger clip heart rate sensor. Does anyone have experience using it with nodemcu esp 32 [ESP32] and logic converter

Anyone can help ?

logic converter link here

my sensor, the green light doesnt flash at all. Anyone know whats the reason on it? I tested on arduino uno and it works fine.
Please help if anyone know how to fix it, thanks in advance.
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Why ask so many repetitive questions? @yys3

Hi, @Baozhu
I’m so sorry to ask repetitive questions, as I thought my post was deleted. I apologize for causing any inconvenience to you. :pray: