| 摘要 |
An apparatus and method for detecting a presence of a conductive object on a sensor array of a first circuit board using active electronic components of a second circuit board, which is coupled to the first circuit board. The apparatus may include a first circuit board, which includes a sensor array of sensor elements, and a second circuit board, coupled to the first circuit board, including sensing circuitry to measure capacitance on the sensor array of the first circuit board. The method may include measuring a capacitance on the sensor array using the active electronic components of the second circuit board, and processing the measured capacitance.
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