IoT MQTT Based Heart Rate Monitor using ESP8266 & Arduino

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ะŸะพะบะฐะทะฐั‚ัŒ ะพะฟะธัะฐะฝะธะต
๐—š๐—ถ๐˜ƒ๐—ฒ๐—ฎ๐˜„๐—ฎ๐˜† ๐——๐—ฒ๐˜๐—ฎ๐—ถ๐—น๐˜€:

๐—ฃ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜ ๐——๐—ฒ๐˜€๐—ฐ๐—ฟ๐—ถ๐—ฝ๐˜๐—ถ๐—ผ๐—ป:
In one of my previous projects, I explained how you can use the easy pulse sensor with Arduino to measure the Pulse Rate or BPM Value. I also displayed the BPM Value on OLED Display. The Pulse Sensor has a clip that can be easily fitted on the finger. But this time I got another Sensor similar to the previous one. The only difference was, instead of putting the finger into the probe this time we will attach it to the ear lobe. So this is an ear lobe Pulse Sensor that is highly accurate and can be used for learning purposes.

This time I will like to use this sensor with NodeMCU ESP8266 Board and using some Cloud Server I want to monitor it online. So I preferred the MQTT Protocol for sending the data to Server. The best MQTT Platform I have been using for a long is the Ubidots. Using Ubidots you can visualize and analyze the sensor data from any part of the world. So let us learn in detail how we can use this pulse sensor with ESP866 & display the BPM value both on OLED Display as well as Cloud.

๐—ฃ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜๐˜€ ๐—Ÿ๐—ถ๐—ป๐—ธ๐˜€ & ๐—ฆ๐—ผ๐˜‚๐—ฟ๐—ฐ๐—ฒ ๐—–๐—ผ๐—ฑ๐—ฒ:
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ะ ะตะบะพะผะตะฝะดะฐั†ะธะธ ะฟะพ ั‚ะตะผะต
ะšะพะผะผะตะฝั‚ะฐั€ะธะธ
ะะฒั‚ะพั€

5:35 I cannot open the 2 serial monitors side by side and see each reading. Once I change one the other one will also stick to the current one.

abdiwahabnadhi
ะะฒั‚ะพั€

what is the white wire(micro usb) on the ESP8266 connected to

faukdaile
ะะฒั‚ะพั€

5:39 after WiFi connected then IP address 192:168:0:195
I am getting
โ€”โ€”โ€”โ€”-CUT HERE FOR EXCEPTION DECORDERโ€”โ€”โ€”โ€”
Then displays
Software WDT reset

ctx: cont
sp: 3ffffd00 end: offset: 01a0

So mdm can you help me solve this problem. I am not getting the Attempting MQTT connection.

abdiwahabnadhi
ะะฒั‚ะพั€

Adafruit 12C .h no such file or directory like this error coming while compiling...
Plz help me out!ยก!

AtulKamble-hghn
ะะฒั‚ะพั€

when I upload the code to the Nodemcu I am getting Leaving Hard resetting via RTS pin. who can I solve

abdiwahabnadhi
ะะฒั‚ะพั€

Screen is displaying only adafruit what to do?
Plz reply๐Ÿ™๐Ÿป๐Ÿ™๐Ÿป

AtulKamble-hghn
ะะฒั‚ะพั€

Instad of using arduino+esp8266 why you don't use only esp32 that will replace both ???

lifechangingproduct
ะะฒั‚ะพั€

I am Getting Adafruit on Oled display please mam suggest what to do ??

ADAVARYANAMBARISH
ะะฒั‚ะพั€

Screen is displaying adafruit can you help me with this issue??
Please!!!

dakshatakamble
ะะฒั‚ะพั€

Great project โ™ฅ๐Ÿ‘Œ

but why using Arduino !!! Esp8266 has Analog input pin.

shakerileiwat
ะะฒั‚ะพั€

OLED screen just displaying Adafruit and its logo and no result get published.

abdiwahabnadhi
ะะฒั‚ะพั€

Can i use arduino uno instead of nano???

AtulKamble-hghn