If you want to connect to a part that is not in your parts library or to some other product via UART or BLE, you can use You will use obniz.js to manipulate IO etc. directly.
Peripheral operations such as IO-BLE
The documentation for each peripheral can be found in the obniz.js documentation.
For example, for IO
You can check from IO
All functions or peripherals in obniz.js, such as IO, have a class reference It's available on GitHub. You can check the arguments and return values of each function that aren't documented in the documentation, and you can use It is.