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Advanced Raspberry Pi: Raspbian Linux and GPIO Integration
book

Advanced Raspberry Pi: Raspbian Linux and GPIO Integration

by Warren Gay
October 2018
Intermediate to advanced
529 pages
8h 13m
English
Apress
Content preview from Advanced Raspberry Pi: Raspbian Linux and GPIO Integration
© Warren Gay 2018
Warren GayAdvanced Raspberry Pihttps://doi.org/10.1007/978-1-4842-3948-3_10

10. UART

Warren Gay1 
(1)
St. Catharine’s, Ontario, Canada
 

The Raspberry Pi has a UART interface to allow it to perform serial data communication. The data lines used are 3.3 V logic-level signals and should not be connected to TTL logic (+5 V) (they also are not RS-232 compatible). To communicate with equipment using RS-232, you will need a converter module.

RS-232 Converter

While an industrious person could build their own RS-232 converter, there is little need to do so when cheap converters on a pcb are available.

Figure 10-1 shows a MAX232CSE chip pcb that I have used. This particular unit supports only the RX and TX lines with no hardware flow control. ...
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Publisher Resources

ISBN: 9781484239483Purchase LinkPublisher Website