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Using Arduino Uno as a USB-TTL serial link to Casio FX-850P ?
07-21-2022, 05:11 PM
Post: #9
Dan C Offline
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RE: Using Arduino Uno as a USB-TTL serial link to Casio FX-850P ?
(07-21-2022 04:55 PM)Maximilian Hohmann Wrote:  
(07-21-2022 03:57 PM)Dan C Wrote:  hmmm, but wait! They connect the Arduino I/O pins directly to the FX-850P port? Then i assume it's safe to use the 5V levels on the Arduino to the FX-850P?

It seems so. No resistors, nothing. Just cables.

Great! Now i must try out my schematic, i'l be back with the result if its workin or not!
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RE: Using Arduino Uno as a USB-TTL serial link to Casio FX-850P ? - Dan C - 07-21-2022 05:11 PM



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