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    Android Question 3 channel Bluetooth "oscilloscope" TOO slow

    Hi everyone - I am very new to B4A (competent in VB) and am struggling to implement a 3 channel scope (to display ECGs) from a Buetooth data stream from an Arduino with HC-06 and an Analog front end. I know my Arduino side it working well and sends each channel as text with a header "P1 " then...