CHAPTER 5

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VS1838B IR Receiver

The VS1838B is a PIN photodiode high-gain amplifier IC in an epoxy package with an outer shield. It consists of three pins and is about the size of a signal transistor. This inexpensive part can be purchased for about $2 on eBay to give your Raspberry Pi the ability to read many IR remote-control signals.

Operating Parameters

Figure 5-1 is a close-up photo of the VS1838B.

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Figure 5-1. The VS1838B PIN photodiode

The datasheet provided for this part is mostly in Chinese. The most important parameter to decipher is the ...

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