Other Parts Discussed in Thread: MSP430F5310
I've searched the help forum here for several days and while I've found a lot of interesting information, unfortunately I haven't quite found the exact information that I'm looking for. I'm trying to design an NFC device using a Spectra Symbol ThinPot...it's an analog rectilinear diaphragm-type potentiometer that's 150mm long with 10 ohms resistance. Using a spring-biased wiper, the potentiometer functions as pressure is applied at different spots along its length, and returns a voltage of a higher or lower amount depending on the wiper's position along it's length. I went through a massive project using an MSP430F5310 as the MCU and a rectification circuit for power, basically paring down the NFC WISP that's used to be a popular project with some. But looking at the RF430FRL152H, THIS is closer to what I have been looking for all along. The literature that I have read relative to the RF430FRL152H indicates that it's already set up to use resistance-based thermistors...well, I was thinking, my potentiometer is resistance-based as well. Although the readings from a thermistor aren't as linear as from the potentiometer I'm using, they are being converted externally anyways. I realize thermistors have a time constant delay...my potentiometer has a bit of switch bounce delay happening as well when the wiper moves. But anyways, could the V+ side of the potentiometer connect to VDD2X, the minus side to SVSS and the wiper to one of the ADC inputs? Would a reference resistor be needed, if so? I realize this Sigma-Delta ADC is a different animal than in the MSP430F5310. How many times can the SD14 break down just 0.9V? I'm just curious as to what the chances are making this work before I begin ordering the EVM board for the RF430FRL15xH series.
Many thanks, sorry for goofy question here
