- EOL
Attention! The product has been discontinued. Check others products incategory. |
Description
The keyboard has 3 touch buttons and one touch linear sensor. Displayed signals are for the double goldpin connector - pitch of 2.54 mm.
Connection
Description of pins is in the table below. Detailed data are available in the scheme of the module.
Pin | Description |
---|---|
KEY1 | The output signal from the touch button no. 1. |
KEY2 | The output signal from the touch button no. 2. |
KEY3 | The output signal from the touch button no. 3. |
LOAD | You must indicate a high status to read data from the keyboard. |
SHIELD | Must be left not connected. |
Reading data - example
To read the data using the button 1 (KEY 1), you must indicate on the LOAD high status, on the KEY1 low status. Touch button begins to discharge, it is necessary to measure the discharge time. This time, when the touch button is different from the time when the touch field is blank.
Useful links |