First thing you should do is to register for a ThingSpeak account. It is, at the time of writing, completely free. After registration, you will need to create a channel. You can have multiple channels ...
[Naman Chauhan]’s 2017 Hackaday Prize entry consists of a heartbeat detection and monitoring system that centers around everyone’s favorite WiFi board, the ESP8266. The monitor is hooked up to the ...