CAPSENSE™ & MagSense Forum Discussions

Dear community,

I am considering measuring the liquid level by placing one electrode about 1mm below the bottom of a container of liquid (About 1 cm to 2 cm in diameter).

In this case, how can I calculate the capacitance resolution?

Best regards,

Kazuki

HI

Purchasing S29GL01GT11FHIV10 product, I would like to confirm why the silkscreen is not reflected in the complete, in the specification did not see this information. Attached is a complete picture of the product, please help to answer the question, thank you!

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Problem:

Some customers may encounter some non-standard tests in their product development, such as the microwave interference experiment in this paper (using a transmitter to emit a certain power of 2.4GHz interference in a timed and directed manner, commonly found in microwave ovens).

Touch buttons are very susceptible to high levels of interference in this type of test.

Sharing Methods:

1 . Set the IDAC sensing configuration to IDAC sinking; large GND is more likely to receive interference, with excellent MCU power supply using IDAC sinking can reduce the key signal drop, more easily through the experiment.

2. Increase the Low Baseline Reset; you need to match the firing period of the interference to prevent the Baseline from dropping too much due to the interference.

For special cases you can set Low Baseline Reset Size to 16bit in Advanced Settings.

3. Increase the Regular widget baseline coefficient and Sense Noise appropriately;

The above is some sharing about the microwave interference experiment which is non-standard The experiment has no clear test standard regulations.

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Hi,

I have created a custom touch board using the cy8mbr3116 device but cannot get it to connect with ez-click 2.  I have copied the schematic from the design guide, including the 330r series resistors (added post schematic attached) on the scl/sda lines and added 10k pullups to vcc.  Ive tried connecting using different values of pullup for scl/sda (2k2, 6k8 etc), still no good. 

Im out of ideas, but need to get this working for a commercial project.  can anyone help?

Thanks,

Peter 

• When I touch the P80 pin, the P81 also responds

• my code
• CapSense_Start();
  CapSense_InitializeAllBaselines();
  CapSense_RunTuner();
  CapSense_ScanAllWidgets();
• for(;;)
  {
         if(CapSense_NOT_BUSY == CapSense_IsBusy())
          {
  • CapSense_ProcessAllWidgets();
  • CapSense_RunTuner();
  • CapSense_ScanAllWidgets();
  • }

• }