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Wireless 418MHz Receiver Interface with PIC MCU problem

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yousafzai82

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Hi all...

I am facing a problem with a chinese wireless 418MHz wireless receiver. I am receiving the code but the voltage on the data line is not fixed though there is a 4.7K pull up resistor. Due to which the MCU hangs for a long time instead of waiting for data string for 1000milli seconds. Can anyone guess how can i sort it out?
 

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