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Topic: 4-channel RS232 multiplexer (Read 2 times) previous topic - next topic

tormentor

  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
electrotormentor.blogspot.com

CrossRoads

You have a lot of serial things to talk to?
Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

tormentor

Quote
You have a lot of serial things to talk to?
3 in recent project - GSM, GPS, and serial ADC/DAC tensometric module.
electrotormentor.blogspot.com

retrolefty


Quote
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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