1/13/2024 0 Comments Minisense 100 vibration sensorSetting the port setting for things like speed and parity should be about the only thing needed on a UART port…but then you need to have a program which talks to the port and is designed to work with the sensor. Serial is usually the easiest, and if you use the 3.3V switch position, then it would directly connect to the dev board’s J17 connector. All I can suggest is that you need a device such as the tcw220 to convert the signal…it doesn’t have to be the tcw220, it could be something which just encodes to some serial protocol, but I have no suggestion on this. A single device on a 1-wire would be simpler, but there is a protocol involved here which is not a simple GPIO or A/D-D/A converter chain. It appears there is some sort of signal generated at the controller and delays from wires at different lengths might be what determines how to separate one device from another…I don’t know. There does not seem to be a simple way to use this interface without using something designed for 1-wire, e.g., the tcw220 has 10/100 ethernet which could talk to the TX2 over ethernet. The above URL is perhaps the best reference since it is the chip designed to read a 1-wire. The information I did see on this was from looking at the tcw220…there does not seem to be a data sheet for the sensor. The tcw220 logger mentioned when following the URL specifically says to see this chip for interface information on the data side: It looks like the sensor-RG 11 uses a special protocol device.
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