08-08-2016, 16:01
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Eating Utensil
 FRC #3003 (Tan[X]) Team Role: Programmer
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Join Date: Nov 2014
Rookie Year: 2015
Location: Canandaigua, NY
Posts: 65
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Re: Serial Communication (Java)
The Rio runs RS-232 at ±12 Volts (approx), while TTL is ±3.3 or 5. A 3.3V signal isn't enough to trigger a RS-232 circuit.
https://www.sparkfun.com/tutorials/215 |