Multifunctional coded remote control transmitter circuit
Source: InternetPublisher:三岁就很酷 Keywords: coding remote control Updated: 2020/07/26
Shown is a multifunctional coded remote control transmitter circuit. pPD 1913 C is an integrated circuit that generates remote control transmit signals . It integrates oscillation,
encoding and modulation circuits in it. The IC is connected to an external ceramic resonator, and the operating keyboard provides manual command signals to the IC. The LMP terminal is connected to an external light-
emitting diode to indicate the working status, and the REM terminal outputs a remote control signal. This signal drives the infrared light-emitting diode through a transistor and emits a remote control signal .
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