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CC2640R2F: connecting a sensor to ble module

sushil adhikari
Prodigy 50 points

Part Number: CC2640R2F

I'm trying to do a project in which I want to have a BLE module connected to a sensor(a resistive pressure sensor which has 0 or very high resistance based on whether pressure is applied or not)

I will have a app(android/ios) which will detect the BLE, connect to it and has to read the data to understand whether the pressure is applied or not.

Currently I'm trying with DSD TECH HM-18 CC2640R2F(http://www.dsdtech-global.com/2018/06/dsdtech-hm-18.html) but I'm not able to program it. Is there a product which is better for this purpose.

Also Do I need any extra micro-controller in between BLE module and sensor or I can just connect the two points of the sensor to two pins in the BLE module and detect whether there is resistance in between the pins?

Second question is how do I program the BLE module so that it detects resistance in two pins?

I would appreciate any help/suggestion/documentation/recommendation

  • 0
    Guru 86865 points

    Hi sushil,

    I have interfaced Force Sensitive Resistor to CC2640R2F and made code for it using TI-RTOS and Sensor Controller. It is just Analog so you can use the Analog Example Program for testing. But I think your problem at the moment is using the DSD TECH HM-18 CC2640R2F board. If you're having trouble using it, I suggest you use the CC2640R2F Launchpad instead.

    -kel

  • 0 in reply to Markel Robregado
    Prodigy 50 points

    Hi Kel,

    Thank you for your response. Yes I actually bought CC2640R2F and was able to connect and read button status, which is pretty much what I was trying to do. Thank you again for your suggestion.