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You need to send the 5x24 bits out without a pause. If you then keep the line low for over 80us, that is interpreted by all LED drivers as the reset signal. It is not stated explicitly in the datasheet (at least I haven't found it), but I guess the reset signal means, that at that time all drivers will output the received values on the LEDs. That way you can ...


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I'd check 3 things: If it's a specific USB port/cable problem, not related to the NodeMCU itself (your said it interacted with your USB keyboard, what makes sense if it's a computer-usb issue). Try to connect the NodeMCU to a different USB port/hub in your computer using another USB cable. Of course it could be a USB-Serial driver issue. Please make sure ...


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Can I send any kind of signal to my phone with Bluetooth? You have an HC-06, which is a bluetooth Serial (UART) bridge. Thus the bluetooth device exposes the profile for a serial terminal. You can only transmit serial data. It doesn't work for HID input to the smatphone or audio. The Bluecontrol app seems to use serial. So that is not a problem. To get the ...


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