64 Channel Infra-Red Remote Transmitter Using uPD6122-PT2222M

64 channels Infra-Red Remote Transmitter circuit build around PT2222M IC, The IC is pin to pin compatible with NEC uPD6122 respectively, the remote is capable of controlling 64 functions keys and 3 double keys. Features CMOS Technology Low Power Consumption (2V-3.3V) Using SEL Jumper Can Support 128+6 Function Codes Application Audio Equipment TV Cable TV Air Condition DVD Player Robotics

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