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Published 20 hours ago • verified publisher icon VoronDesign

Sensor compatibility

Open proxyissues opened this issue 1 year ago • 0 comments

Some optical sensors EE-SX398 do not correctly trigger due to the SIG pin voltage only flipping between 1.4V and 0V. This appears to be dependent on Sensor and the floating voltage that the pin will sit at being not predictable and may affect other recommended Sensors.

The improvement would be a 1K or 10K Resistor connecting 5V to SIG so that the SIG pin is held high @5V until the sensor pulls it to GND indicating a change in state.

I've verified this on my Tap board connected to SB2040 HV compatible pin (GPIO25) and it is now a stable 5V or 0V signal.

proxyissues avatar Jun 02 '23 13:06 proxyissues