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An assembly-only approach to a timer interrupt for an AVR-based Arduino. Situation: You want to include a timer interrupt service routine in an assembly language program for an AVR-based Arduino. The ...

Because the interrupt service routine needs to be fast, it has to be in RAM. [Ivan] ... except that the ESP8266 doesn’t have Bluetooth. The ESP8266 can do Arduino as well.

An Arduino mini pro provides the brains. A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed.

Part Two : Sending datas from the Arduino to the Raspberry PI. Connect a potentiometer (10 k Ohm) to the Arduino according the the "Arduino_BT_02.jpg" file (see attachments). Power and program the ...