![]() If you are using a RedBoard, Arduino Uno, or any other 5V system.Īnother alternative is to use voltage division to connect the OpenLog to a 5V system. If you are worried, you can always used another channel on the logic level converter. Just make sure that pin 3 is not turned HIGH. This should be high enough for the RedBoard to recognize as a logic high [. The reason why is because the OpenLog will be outputting 3.3V. You would not need to connect a logic level converter for TX. We recommend using a logic level converter to convert the logic on the RXI and the GRN (aka DTR) pins. The OpenLog uses 3.3V if you look at the hardware specs. Logic Levels Between OpenLog and a 5V System ![]() Tech Support Tips/Troubleshooting/Common Issues.
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