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rasp_pi_and_cd4050_level_converter_3 | by linux-works
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rasp_pi_and_cd4050_level_converter_3

using a cmos cd4050 buffer chip to convert 3.3v to 5v.

 

the raspberry pi has its UART run at 3.3v and the arduino needs 5v. so, this little DIY perfboard 'shield' is needed.

 

note, how the chip is specifically (yes, very much on purpose) resting on the unused white riser connector. there is no other support (or screw mounts!) on this version-1 raspberry pi board.

 

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Taken on September 11, 2012