good day every one,

please what is the pin configuration for OW2818 sensor and is it compatible with nodemcu ?

 

Welcome to AAC.

It is probably a 10K thermistor, though I have no idea of the exact type.

APC uses a fixed resistor across pins 1 and 3 of the 8-pin modular connector for type sense. This lets whatever you are plugging into know which sensor to expect.

The thermistor itself should be across pins 6 and 7. If you measure across these you should see a varying resistance with temperature.

It could be used with an MCU but the output is a varying analog signal so it would have to be used with an ADC pin and frankly you’d probably be better off with a sensor module that has signal conditioning built-in.

If you want to use it, first work out the pinout then search for using a thermistor with an MCU—any MCU is fine, it will not be specific to your ESP32 or ESP8266 (whatever the NodeMCU happens to be). If you do find a NodeMCU-specific tutorial it might be easier to use, I don’t know.

 

;;

Welcome to AAC.

It is probably a 10K thermistor, though I have no idea of the exact type.

APC uses a fixed resistor across pins 1 and 3 of the 8-pin modular connector for type sense. This lets whatever you are plugging into know which sensor to expect.

The thermistor itself should be across pins 6 and 7. If you measure across these you should see a varying resistance with temperature.

It could be used with an MCU but the output is a varying analog signal so it would have to be used with an ADC pin and frankly you’d probably be better off with a sensor module that has signal conditioning built-in.

If you want to use it, first work out the pinout then search for using a thermistor with an MCU—any MCU is fine, it will not be specific to your ESP32 or ESP8266 (whatever the NodeMCU happens to be). If you do find a NodeMCU-specific tutorial it might be easier to use, I don’t know.

Thank you