How can I send something over BLE?

[CodeManiac64]

So I can connect to my service and characteristics just fine, I can use my Rx characteristic to receive incoming data that can be letters or numbers. But if I send too much it crashes.

What I don't know is why I can't send something over BLE when I've connected to my TX characteristic. Can someone explain what I need to do with characteristic.write?

I'm using a PSoC 4 that has the service and characteristics pre-programmed. I've also done tests to an app called BLETerm and it works..

[CodeManiac64]

Not sure if this could be a possible solution to writing to characteristics, can anyone help me please?

https://devzone.nordicsemi.com/f/nordic-q-a/8162/ble-driver-python-concurrent-notifications