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Eval » Historie » Version 5

Redmine Admin, 27.01.2022 15:27

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h1. Eval
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Usecases:
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* sensor for 4 sensors
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use dg409 to switch between sensors. (DG409 is 2:4 with 2 address lines, DG408 would be 1:8 with 3 address lines)
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* 2x 5v output for pumps.
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* i2c RTC for date (standalone).
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* CAN for candis.
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1xPWM output (trivial canio, workaround fuer lampen. Warum 2?)
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1xPWM output buzzer; 17:[[https://www.homofaciens.de/technics-base-circuits-h-bridge_ge.htm]] muesst sein, mit not baustein.
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      Wenn invertiertes PWM-Signal vorhanden ist, spart man sich nen enable. NOT + NAND
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* Update via USB is a nice feature. Circuit already available.
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* RTC for switching lamps, standalone 
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* PWM output for lamps
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* loud buzzer for alarm/alarm-clock
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* button for confirm stuff
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* OUT output for lamps; 2x3V (plant lamp/room lamp)
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* 2LEDs regular
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* SPI NAND-Flash
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* VUSB to can? Switch?
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Most things can be copied from candis.
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https://www.nxp.com/docs/en/data-sheet/MC34933.pdf