Excuse me professor, sorry I bother you again, I want to ask for my block and designer, is it correct for coding from Arduino nano ble 33 this is my block [image] this is my designer [image] the list picker can't work, is there something wrong?

Hi Muhammad Re Evan Patton's post, try this Sketch (with App Project LED_Control_6.aia): LED_COBAK6a.ino (7.5 KB)

Controlling LED's from my phone via BluetoothLE

Anke November 10, 2022, 2:08pm 7