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Existing code for these devices will work in the new devices without changing the existing configuration or enabling new functions
The user can choose one kind of antenna according to the request
The 'OPIC' or Optical IC consists of a light detecting element (a phototransistor) and a signal processing circuit (an LED) integrated onto a single chip
Copper braided shielding
3mm Red / Blue Bi-Colour 3 Pin LED (Common Anode) MP3 Player Existing code for these devicesA small red and blue bi colour 3mm light emitting diode with a common anode that produces consistent light and consumes little power, contained in a milky white packaging. It is suitable for PCB or panel mounting. In a shared anode design, diodes are linked. The common anode is the centre leg, and it is the place where a resistor should be installed for the protection of the LED. Pin Configuration Pin Name Description Cathode Negative terminal of Red