How to perform BSON serialization and deserialization, using the ESP32, the Arduino core and the Nlohmann/json library.
ESP32 Biometrics: PPG Wave on web page
How to draw a PPG wave in real time on a plot, rendered on a web page, served by the ESP32. The measurements that will be used on the plot will be taken from a Heart Rate sensor module connected to the ESP32. We will be using the Arduino core to program the ESP32.
ESP32 Heart Rate Sensor: PPG Wave
How to obtain a very simple ECG wave on the Arduino IDE serial plotter, using the ESP32 and a Heart Rate Sensor.
ESP32: Heart Rate Sensor
How to use the ESP32 to interact with a heart rate sensor, using the Arduino core.
ESP32: JSON Patch
How to use the Nlohmann/json library to apply the JSON patch operation to an object, using the ESP32 and the Arduino core.
ESP32: JSON Diff
How to calculate the difference between two JSON objects using the nlohmann/json on the ESP32
ESP32: Serialize JSON object to file
How to serialize a parsed JSON object to a file on the ESP32 file system
ESP32 JSON: Read from file
How to read and parse a JSON object from a file stored on the ESP32 file system,
ESP32: ifstream and ofstream
How to use the C++ ifstream and ofstream classes to write and read files on the ESP32.
ESP32 inja: Custom functions
How to define custom functions to be used in inja templates.
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