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Author Topic: 4-channel RS232 multiplexer  (Read 1549 times)
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tormentor
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« on: July 02, 2011, 09:56:12 am »
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   4-channel RS232 multiplexer with individual power selection and switches. Channel selection via XP2, power control via XP7 (high level to switch off), and JMP2..JMP5 (3.3V/5V):




Project files (KiCAD/Gerber): ul_comm_rs232_mux-01.tgz
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CrossRoads
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« Reply #1 on: July 02, 2011, 09:44:04 pm »
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You have a lot of serial things to talk to?
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tormentor
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« Reply #2 on: July 03, 2011, 03:15:48 am »
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You have a lot of serial things to talk to?
3 in recent project - GSM, GPS, and serial ADC/DAC tensometric module.
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« Reply #3 on: July 03, 2011, 09:54:33 am »
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Quote from: tormentor on July 03, 2011, 03:15:48 am
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You have a lot of serial things to talk to?
3 in recent project - GSM, GPS, and serial ADC/DAC tensometric module.

I think I would have gone with a mega board with it's built in four hardware serial ports, less hardware, less software, propably less costs overall?

Lefty
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