A sensing component includes multiple piezoelectric pressure sensors. The piezoelectric pressure sensor includes a piezoelectric material layer, a thin film transistor array and an induced electrode. The piezoelectric material layer is configured to measure pulse at multiple positions to generate the corresponding multiple pulse signals. The thin film transistor array electrically coupled to the piezoelectric material layer includes multiple transistors. The transistor includes a first terminal, a second terminal and a control terminal. The first terminal is configured to receive one of the pulse signals. The second terminal coupled to a data line is configured to output a first sensing signal according to the one of the pulse signals. The control terminal is configured to receive a clock signal. The induced electrode coupled to the piezoelectric material layer is configured to receive another one of the pulse signals to output a second sensing signal.一種感測部件包含壓電式壓力感測器。壓電式壓力感測器包含壓電材料層、薄膜電晶體陣列和感測電極。壓電材料層用以量測複數個位置的脈搏以產生相應的複數個脈象訊號。薄膜電晶體陣列耦接壓電材料層。薄膜電晶體陣列包含複數個電晶體。電晶體包含第一端、第二端和控制端。第一端用於接收脈象訊號的其中一者。第二端耦接於資料傳輸線，用於依據脈象訊號的其中該者輸出第一偵測訊號。控制端用於接收時脈訊號。感測電極耦接壓電材料層，用以接收脈象訊號的其中另一者以輸出第二偵測訊號。
